Temat: piping - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Impact of land use and soil properties on piping in Belgium
Autorzy:: Verachtert, E.
Devoldere, S.
Van Den Eeckhaut, M.
Poesen, J.
Powiązania:: https://bibliotekanauki.pl/articles/295206.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: soil piping
subsurface erosion
biological activity
earthworm
Opis:: Field observations and literature reveal that land use and soil characteristics play an important role in the development of piping. In this study, the hypothesis is tested that discontinuities in the soil profile favour piping erosion in loess-derived soils in a temperate humid climate. Abiotic characteristics (clay content, bulk density, Ksat, penetration resistance) and the biological activity in the soil were measured for each soil horizon until a depth of at least 40 cm below the pipes (ca. 1.30 m) for 12 representative soil profiles with different land use (pasture with and without collapsed pipes, arable land and forest). No clear discontinuities in abiotic characteristics were observed at soil depths where subsurface pipes occurred, but pastures with piping had significantly more earthworm channels and mole burrows at larger depths than pastures without piping, arable land or forest.
Źródło:: Landform Analysis; 2011, 17; 215-218
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Frequencies assessment of loss containment including the effects of measures of risk prevention and mitigation
Autorzy:: Milazzo, M. F.
Maschio, G.
Uguccioni, G.
Powiązania:: https://bibliotekanauki.pl/articles/2069706.pdf
Data publikacji:: 2008
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: frequency
piping
risk assessment
loss containment
failure cause
Opis:: The question of how the effects of management and organisational variables can be incorporated into assessment of frequency of loss containment events is currently of considerable interest. Usually these typology of events arises from an uncontrolled accidental phenomena or a combination of active and latent human errors in areas such as design, operations and maintenance. In the 2006 a development of a methodology for the quantification of the effects of measures of risk prevention or mitigation on the frequencies of rupture of pipework has been presented, the approach is based on the methodology proposed by Papazoglou in 1999. Taking advantage of Papazoglou methodology the estimation of these effects has been achieved through the definition of the links between the failure causes that are the origin of incidents and the measures adopted by the company in order to prevent and/or to mitigate them. After an overview on the failure causes in piping, the aim of this paper is to present the application of the recent modified methodology.
Źródło:: Journal of Polish Safety and Reliability Association; 2008, 2; 247--254
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Port oil piping transportation critical infrastructure assets and interconnections
Autorzy:: Drzazga, M.
Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2069108.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: asset
critical infrastructure
interconnections
interdependencies
port oil piping
Opis:: This article aims to analyze the problem of the port oil piping transportation critical infrastructure assets and their interconnections identification. As a result, there are distinguished direct assets, auxiliary assets, flow of people, goods and services, accessibility and capacity of the port oil piping transportation critical infrastructure. Moreover, the interconnections and interdependencies of this critical infrastructure are fixed and described.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 1; 37--42
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 4.

Tytuł:: Focus-feature and wh-feature in the light of pied piping behavior in Hungarian
Autorzy:: Keresztes, Júlia
Powiązania:: https://bibliotekanauki.pl/articles/1040296.pdf
Data publikacji:: 2020-12-30
Wydawca:: Katolicki Uniwersytet Lubelski Jana Pawła II
Tematy:: pied-piping
adjunct-islands
focus-feature
wh-feature
Hungarian
Opis:: This paper presents the findings of two experiments on pied-piping by a prenominal adjunct in Hungarian focus- and wh-constructions. According to Webelhuth (1992) and Cable (2010), pied-piping from adjunct islands is prohibited. The results of the experiments, however, suggest that not only is it possible in Hungarian for the pied-piper to be embedded inside an adjunct island but the embedding of the pied-piper and the movement itself are unrestricted in focus-construction. Pied-piping shows a similar picture in wh-constructions with the restriction that the wh-element has to be discourse-linked for pied-piping to be allowed.
Źródło:: Linguistics Beyond and Within; 2020, 6; 92-110
2450-5188
Pojawia się w:: Linguistics Beyond and Within
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Reliability, risk and availability based optimization of complex technical systems operation processes. Part 2, Application in port transportation
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069688.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
availability
complex system
operation process
optimization
piping transport
Opis:: The joint general model of reliability and availability of complex technical systems in variable operation conditions linking a semi-markov modeling of the system operation processes with a multi-state approach to system reliability and availability analysis and linear programming considered in the paper Part 1 are applied in maritime industry to reliability, risk and availability optimization of a port piping oil transportation system.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 197--208
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 6.

Tytuł:: Piping in loess-like and loess-derived soils : case study of Halenkovice site, Czech Republic
Autorzy:: Bíl, M.
Kubeček, J.
Powiązania:: https://bibliotekanauki.pl/articles/191487.pdf
Data publikacji:: 2012
Wydawca:: Polskie Towarzystwo Geologiczne
Tematy:: soil piping
subsurface flow
Outer Western Carpathians
Czech Republic
Opis:: The soil piping that occurs on luvisols in the vicinity of the village of Halenkovice was studied for 5 years. These piping phenomena can only be found where arable land meets the forest or a belt of shrubbery. If there is a scarp in the locality, which usually changes from 6° in the field to approximately 30° in the forest, soil pipes are more likely to occur. Before the scarp, the slope flattens out and it is almost horizontal. This factor makes it possible for the overland flow to seep into the slope. This seepage results in soil piping, which is formed in loess loam and colluvial deposits. There are about 15 sites in the vicinity of the village of Halenkovice, where soil piping occurs. In one of them, Halenkovice 1 (an area of 900 m2) we closely studied 47 partial cavities. Their internal volume is 3.8 m3. The volume of the sink holes is 23 m3. There are two types of soil pipes – vertical, which on average tend to be shorter (40 cm) and lead the water under the surface, and soil pipes parallel with the slope, which are on average 81 cm long. Water flows through the pipes during a thaw or precipitation, which often takes away the top soil. The intensity of this process depends on the intensity of precipitation, which occurs outside the growing season, when there are no crops in the fields.
Źródło:: Annales Societatis Geologorum Poloniae; 2012, 82, 1; 45--50
0208-9068
Pojawia się w:: Annales Societatis Geologorum Poloniae
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Land use changes and development of pi ping and gullies in Southeast Spain
Autorzy:: Romero-Díaz, A.
Alonso-Sarría, F.
Sánchez-Soriano, A.
Ruiz-Sinoga, J. D.
Powiązania:: https://bibliotekanauki.pl/articles/294639.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: land use changes
piping
gullies
semi-arid region
Spain
Opis:: In semiarid regions with low rainfall, poorly developed soils and marly lithologies, land abandonment leads to an increase in soil erosion and degradation processes. In some cases, the initiation of piping processes and the emergence of gullies takes place not long after its abandonment.
Źródło:: Landform Analysis; 2011, 17; 33-37
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Determination of the Effects of the Pre-Outfitting and Pre-Piping Assembly Operations on Shipyard Productivity
Autorzy:: Ozkok, M.
Helvacioglu, H. I.
Powiązania:: https://bibliotekanauki.pl/articles/260374.pdf
Data publikacji:: 2013
Wydawca:: Politechnika Gdańska. Wydział Inżynierii Mechanicznej i Okrętownictwa
Tematy:: pre-outfitting assembly
pre-piping assembly
simulation
ship production
Opis:: The process improvement operations are very significant in shipbuilding industry as the other industries. In recent years, the shipyards attempt to improve their processes by examining their current production system and to reduce the cycle time of the interim product so that they can keep their competitive power. If the cycle time of the interim products is decrease, that may cause to increase the annual production capacity and market share of the shipyard. In order to do this, the shipyards have to analyse their own production system and carry out some improvements on it. In this study, the effects of carrying out the outfitting and piping assembly operations in earlier work stations were investigated by using a methodology presented here. The steps in the methodology were applied to a double bottom block of a container ship. It was shown that if the outfitting and the piping assembly operations are carried out in earlier stations instead of the block assembly station, this may increase the throughput by 33%. The results of the study were discussed in the final section.
Źródło:: Polish Maritime Research; 2013, 1; 59-69
1233-2585
Pojawia się w:: Polish Maritime Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: Simplified calculation of lines for hydraulic drive considering the change temperature of fluid
Uproshhennyjj raschet linijj gidravlicheskogo privoda s uchetom izmeninija temperatury rabochejj zhidkosti
Autorzy:: Murashchenko, A.
Yakhmo, O.
Gubarev, A.
Powiązania:: https://bibliotekanauki.pl/articles/77032.pdf
Data publikacji:: 2013
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: piping system
hydraulic calculation
temperature
fluid flow
viscosity
flow velocity
Opis:: The features of stabilization of fluid velocity in pipings are observed in the article. We propose a practical method of the calculation. Proposed method of modeling for calculation of the transient time with the receipt of the fluid flow in a large temperature difference between the fluid and the environment temperature.
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2013, 15, 5
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: Oil transport in port. Part 0. Port oil piping transportation system safety without outside impacts
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068774.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port oil piping transportation system
outside impacts
safety
cost analysis
Opis:: The paper is concerned with the model of critical infrastructure safety prediction without considering outside impacts. The general approach to the prediction of critical infrastructure safety is proposed and the safety indicators are defined for a critical infrastructure free of any outside impacts. Moreover, there is presented the model application for port oil piping transportation system safety prediction. Further, the cost analysis of critical infrastructure operation process is proposed and applied to the considered piping system.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 2; 1--10
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: Identification and prediction of port oil piping transportation system operation process related to climate-weather change
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068858.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: operation process
climate-weather change
identification
prediction
piping transportation system
Opis:: The paper is concerned with an application of the critical infrastructure operation process related to climateweather change model to identification and prediction of this process for the port oil piping transportation system. There are distinguished three different processes for the corresponding piping operating area. Further, using identified parameters of the piping operation process and the piping operating area climate-weather change processes, there are determined the unknown parameters of those processes. Namely, there are determined the probabilities of the processes staying at the initial states, the probabilities of the transitions between the states and the mean values of the processes' conditional sojourn times at particular states. Finally, there are predicted the main characteristics of the piping operation process related to climate-weather change processes at the distinguished operating area.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 2; 113--120
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Identification of climate related hazards at the Baltic Sea area and their critical / extreme event parameters’ exposure for port oil piping transportation critical infrastructure
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2069187.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: climate hazards
extreme event parameters
port oil piping
critical infrastructure
Opis:: In the paper, the critical infrastructure operation process is defined and its main parameters are fixed. Next, a general model of operation process of critical infrastructure network is defined and its parameters are described. A special case of the general when its component critical infrastructures are independent model is considered and applied to the Baltic Electric Cable Critical Infrastructure Network.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 1; 127--132
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: On safety of critical infrastructures modeling with application to port oil transportation system
Autorzy:: Kolowrocki, K.
Soszynska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069166.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: safety
multistate system
ageing
operation process
dependability
critical infrastructure
piping transport
Opis:: A new approach to safety investigations of multistate complex systems with dependent components at variable operation conditions called critical infrastructures is proposed. The safety function of the critical infrastructure system is defined and determined for an exemplary “m out of l” critical infrastructure. In the developed model, it is assumed that the system components have the multistate exponential safety functions with interdependent departures rates from the subsets of the safety states. The approach is adapted to safety prediction of oil piping transportation system operating at a maritime port.
Źródło:: Journal of Polish Safety and Reliability Association; 2013, 4, 2; 189--204
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 14.

Tytuł:: Identification of port oil piping transportation system operation process including operating environment threats
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2068957.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port oil piping transport
critical infrastructure
operation process
operating environment threats
Opis:: In the paper, the traditional semi-Markov approach to a complex technical system operation process modeling is proposed to model and to identify the port oil piping transportation system operation process including operating environment threats.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 3; 99--112
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Modelling port piping transport and shipping critical infrastructures operation processes including operating environment threats
Autorzy:: Kołowrocki, K.
Soszyńska-Budny, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069009.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port piping transport
shipping
critical infrastructure
operation process
operating environment threats
Opis:: In the paper, the traditional semi-Markov approach to a complex technical system operation process modeling is proposed to modelling a critical infrastructure operation process including operating environment threats. Next the model is applied to real critical infrastructures such as the port oil piping transportation system and the maritime ferry technical system.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 3; 89--98
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 16.

Tytuł:: Operation Risk Management of Planning and Piping Design in a Large Petrochemical Plant Project
Autorzy:: Deeswasmongkol, Kamolwan
Sachakamol, Punnamee
Powiązania:: https://bibliotekanauki.pl/articles/633727.pdf
Data publikacji:: 2014
Wydawca:: Uniwersytet Marii Curie-Skłodowskiej. Wydawnictwo Uniwersytetu Marii Curie-Skłodowskiej
Tematy:: failure mode and effects analysis
piping design and drawing process
control plan
Opis:: Purpose – The purpose of this paper is to present practical and research lessons learned from analysis and the identification of failures which can occur. Failure mode and effects piping analysis (FMEPA) has been shown to be an effective way of improving piping design reliability. FMEPA is also employed for making sample control plans. Design/methodology/approach – To reduce project losses by using failure mode and effects piping analysis as a tool for analysis of the piping design department. The samples were selected from five projects. It was found that nine major points yielded a risk priority number (RPN) higher than 125. Findings – Results of RPN calculation concerning four topics revealed that the RPN value was reduced from 211 to 75, demonstrating a 64.4 percent improvement. Research limitations/implications – The study is limited to a planning and piping case study which considers RPN. Testing of the performance network regression model can be employed in companies, in which quality control has been implemented of solutions for failure prevention of piping design. Practical implications – This paper serves practitioners as a guideline and tool to understand and implement the FMEPA methodology. At this level, management sets the limits for determining measures. Management also decides whether a risk is acceptable or not. Management needs to clarify which risk priority number (RPN) represents the critical level above which requires risk reduction. Social implications – Conflicts and social unrest can cause costly delays to new projects and operations. Conflicts can also result in damage to a company’s reputation. This depends on the company’s responses to the conflict and the consequences or perceived consequences of its behavior and actions. Originality/value – This paper furnishes lessons learned for practitioners in various industrial sectors in preference to other methods of risk assessment and control activities.
Źródło:: International Journal of Synergy and Research; 2014, 3
2083-0025
Pojawia się w:: International Journal of Synergy and Research
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 17.

Tytuł:: Paradoxes in the development of gullies
Autorzy:: Starkel, L.
Powiązania:: https://bibliotekanauki.pl/articles/294661.pdf
Data publikacji:: 2011
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: gully formation
linear erosion
piping
mass movements
rainfall intensity
permability of substratum
Opis:: Gullies in the temperate zone are the products of linear erosion, piping and mass movements active mostly during heavy rains. On dominant role of one of those three co-operating processes decide the parameters of rainfalls and permability of substratum. The diversity of gullying depends also on the inherited relief and stage of development of gully forms. In the cultivated areas the formation of gullies is initiated also by cart-roads.
Źródło:: Landform Analysis; 2011, 17; 11-13
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 18.

Tytuł:: Structural synthesis of pipeline transportation of industrial enterprises
Strukturnyjj sintez sistem trudoprovodnogo transporta promyshlennykh predprijatijj
Autorzy:: Tararychkin, I.
Nechayev, G.
Slobodyanyuk, M.
Powiązania:: https://bibliotekanauki.pl/articles/791828.pdf
Data publikacji:: 2012
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: pipeline
transportation
structure
industrial enterprise
transport system
cost
manufacture
installation
piping system
Opis:: In the article the impact of the structure of pipeline transportation systems on the efficiency of their operation is examined. It is shown that, depending on the assumed structure, transport systems can be characterized by different performance characteristics. It is established that the structure of the system influences the development of the aging process and decrease system performance. Recommendations on the choice of the structure of systems that can be used at the design stage are given.
Рассмотрены вопросы влияния структуры трубопроводных транспортных систем на эффективность их функционирования. Показано, что в зависимости от принятой структуры, транспортные системы могут характеризоваться различными эксплуатационными показателями. Установлено, что структура системы оказывает влияние на развитие процессов старения и снижение эффективности функционирования систем.
Źródło:: Teka Komisji Motoryzacji i Energetyki Rolnictwa; 2012, 12, 3
1641-7739
Pojawia się w:: Teka Komisji Motoryzacji i Energetyki Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 19.

Tytuł:: Identification and prediction of port oil piping transportation system operation process including operating environment threats and extreme weathers hazards
Autorzy:: Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068849.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: climate-weather change process
identification
prediction
operating environment threats
piping transportation system
Opis:: The paper is concerned with an application of the critical infrastructure operation process including operating environment threats and extreme weather hazards model to identification and prediction of this process for the port oil piping transportation system. There are distinguished three processes for the considered piping operating area. Further, using identified parameters of the operation process including operating environment threats and the climate-weather change processes for the piping operating area, there are determined the unknown parameters of these processes. Namely, the probabilities of the piping processes staying at the initial states, the probabilities of the piping processes transitions between the states and the mean values of the piping processes conditional sojourn times at particular states. Finally, there are predicted the main characteristics of the piping operation process including operating environment threats and extreme weather hazards at the distinguished operating area.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 2; 121--128
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 20.

Tytuł:: Identification and prediction of climate-weather change process for port oil piping transportation system operating area
Autorzy:: Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068856.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: climate-weather change process
identification
prediction
piping operating area
extreme weather hazards
Opis:: The paper is concerned with an application of the climate-weather change process for a critical infrastructure operating area model to identification and prediction of this process for the port oil piping transportation system operating area. For the considered piping operating area, there are distinguished three different climate-weather change processes and their states. Further, there are identified the unknown parameters of those processes, i.e. the probabilities of the climate-weather change processes staying at the initial climate-weather states, the probabilities of the climate-weather change transitions between the climate-weather states and the mean values of the climate-weather change processes' conditional sojourn times at particular states. Finally, there are predicted the main characteristics of the climate-weather change processes at the distinguished operating area.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 2; 107--112
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 21.

Tytuł:: Preliminary Monte Carlo approach to complex technical system reliability analysis
Autorzy:: Kuligowska, E.
Powiązania:: https://bibliotekanauki.pl/articles/2069438.pdf
Data publikacji:: 2012
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
operation process
complex system
Monte Carlo simulation
piping oil transportation system
Opis:: The paper explores the mathematical and computer modeling of complex technical systems related to their operation processes. The complex technical system with the reliability structure and components’ reliability parameters changing at the various operation states is defined. The selected system operation process parameters and the hypothetical distribution functions of the conditional sojourn times at the operation states are defined and identified. The reliability functions of the multistate system and components are introduced and their parameters are identified. The Monte Carlo simulation method is proposed to the complex system reliability evaluation. Moreover, the proposed theoretical and simulation tools are supported with the practical application to the multi-state port oil piping transportation system reliability analysis.
Źródło:: Journal of Polish Safety and Reliability Association; 2012, 3, 1; 59--72
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 22.

Tytuł:: Proposal for estimating leak and break frequencies of piping systems in probabilistic safety assessment
Autorzy:: Berg, H.-P.
Gersinska, R.
Sievers, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069698.pdf
Data publikacji:: 2009
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: leak frequencies
break frequencies
probabilistic safety assessment
piping system
nuclear power plant
Opis:: The estimation of leak and break frequencies in piping systems is part of the probabilistic safety assessment of technical plants. In this paper, the statistical method based on the evaluation of the German operational experience for piping systems with different diameters is described because an earlier estimation has been updated and extended introducing new methodical aspects and data. Major point is the inclusion of structure reliability models based on fracture mechanics calculation procedures. As an example of application the statistical estimation method for leak and break frequencies of piping systems with a nominal diameter of 50 mm (the volume control system of a German pressurized water reactor) was updated. Moreover, the evaluation of the operational experience was extended to 341 years with respect to cracks, leaks and breaks in the volume control system of German pressurized water reactors (PWR). Using the actual data base, new calculations of leak and break frequencies have been performed and the results have been compared with the previous values.
Źródło:: Journal of Polish Safety and Reliability Association; 2009, 1; 33--42
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 23.

Tytuł:: Oil transport in port. Part 1. Port oil piping transportation system safety and resilience impacted by its operation process
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068781.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port oil piping transportation system
operation impacts
safety
resilience
cost analysis
cost optimization
Opis:: The paper is concerned with the model of critical infrastructure safety prediction with considering its operation process impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by its operation process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis of critical infrastructure operation process is proposed and applied to the considered piping system.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 2; 11--28
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 24.

Tytuł:: Oil transport in port. Part 3. Port oil piping transportation system safety and resilience impacted by the climate-weather change process and operation process
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068783.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: piping system
operation process
climate-weather change impacts
safety
resilience
cost analysis
optimization
Opis:: The paper is concerned with the application of the model of critical infrastructure safety prediction with considering its operation and climate-weather change impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by its operation process and the climate-weather change process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis and optimisation of critical infrastructure operation process impacted by climateweather change is proposed and applied to the considered piping system.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 2; 43--64
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 25.

Tytuł:: Oil transport in port. Part 2. Port oil piping transportation system safety and resilience impacted by the climate-weather change process
Autorzy:: Kołowrocki, K.
Kuligowska, E.
Soszyńska-Budny, J.
Torbicki, M.
Powiązania:: https://bibliotekanauki.pl/articles/2068778.pdf
Data publikacji:: 2018
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: port oil piping transportation system
climate-weather change impacts
safety
resilience
cost analysis
Opis:: The paper is concerned with the application of the model of critical infrastructure safety prediction with considering its climate-weather change impacts. The general approach to the prediction of critical infrastructure safety and resilience is proposed and the safety and resilience indicators are defined for a critical infrastructure impacted by climate-weather change process. Moreover, there is presented the model application for port oil piping transportation system safety and resilience prediction. Further, the cost analysis of critical infrastructure impacted by climate-weather change process is proposed and applied to the considered piping system.
Źródło:: Journal of Polish Safety and Reliability Association; 2018, 9, 2; 29--42
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 26.

Tytuł:: Wpływ konfuzora na moc siłowni wiatrowej umieszczonej w obudowie rurowej
The effect of a confusor on the power of a wind power plant placed inside a piping enclosure
Autorzy:: Charkiewicz, M.
Romański, L.
Powiązania:: https://bibliotekanauki.pl/articles/291226.pdf
Data publikacji:: 2008
Wydawca:: Polskie Towarzystwo Inżynierii Rolniczej
Tematy:: siłownia wiatrowa
obudowa rurowa
konfuzor
moc
wind power plant
piping enclosure
confusor
power
Opis:: W pracy przedstawiono wyniki badań modelu siłowni wiatrowej pracującej w obudowie rurowej z zainstalowanym konfuzorem. Testowano wpływ względnej średnicy jak i długości konfuzora na generowana moc przez tę siłownię. Najwyższe wartości mocy uzyskano wtedy, gdy względna średnica konfuzora wynosiła 1,6, a względna długość 0,2.
The paper presents the results of testing a model wind power plant operating inside a piping enclosure with a confusor installed. The effect of the relative diameter and length of the confusor on the power generated by that wind power plant was investigated. The greatest power values were obtained when the relative diameter of the confusor was 1.6 and the relative length was 0.2.
Źródło:: Inżynieria Rolnicza; 2008, R. 12, nr 4(102), 4(102); 141-146
1429-7264
Pojawia się w:: Inżynieria Rolnicza
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 27.

Tytuł:: Optymalizacja procesu eksploatacji portowego systemu transportu paliwa
Optimization of port oil transportation system operation processes
Autorzy:: Kołowrocki, K.
Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/257580.pdf
Data publikacji:: 2009
Wydawca:: Sieć Badawcza Łukasiewicz - Instytut Technologii Eksploatacji - Państwowy Instytut Badawczy
Tematy:: paliwo
transport rurociągowy
niezawodność
eksploatacja
optymalizacja
oil
piping transport
reliability
complex system
operation process
optimization
Opis:: W artykule zintegrowany ogólny model niezawodności złożonych systemów technicznych w zmiennych warunkach eksploatacyjnych, łączący wielostanowe podejście do analizy niezawodności systemów z modelem semi-markowskim ich procesu eksploatacji oraz programowanie liniowe zastosowane są w transporcie morskim do optymalizacji procesu eksploatacji skutkującej podwyższeniem niezawodności portowego rurociągowego systemu transportu paliwa.
The joint general model of reliability of complex technical systems in variable operation conditions linking a semi-markov modeling of the system operation processes with a multi-state approach to system reliability analysis and linear programming are applied in maritime industry to operation process optimization improving reliability of a port piping oil transportation system.
Źródło:: Problemy Eksploatacji; 2009, 4; 153-164
1232-9312
Pojawia się w:: Problemy Eksploatacji
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 28.

Tytuł:: Estimation and Reduction of Methane Emissions at the Scheduled and Repair Outages of Gas-Compressor Units
Autorzy:: Strizhenok, Alexey V.
Korelskiy, Denis S.
Powiązania:: https://bibliotekanauki.pl/articles/125340.pdf
Data publikacji:: 2019
Wydawca:: Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:: environment
pollution
methane
natural gas
volley emission
compressor station
gas-compressor units
pipelines gas piping
Opis:: Assessment of the negative impact on the components of the natural environment during the scheduled and repair outages of gas-compressor units in transportation the process of the natural gas was the purpose of the performed scientific work. The results of the monitoring studies, in which the methane concentrations were measured in the atmospheric air near the source of pollution and on the border of the sanitary protection zone during volley emissions of natural gas into the atmosphere, are presented in the article. In addition, a method that eliminates the release of the natural gas into the atmosphere during the scheduled and repair outages of gas-compressor units are suggested in the article. The method is based on the redistribution of gas flows and the direction of natural gas to the gas distribution station. Volley emissions of methane into the atmosphere will completely eliminated as a result of implementing this method. The proposed technical solution is aimed at reducing the negative impact on atmospheric air near gas compressor stations. Moreover, the proposed method is able to minimize the economic damage to gas companies because of the loss of marketable products.
Źródło:: Journal of Ecological Engineering; 2019, 20, 1; 46-51
2299-8993
Pojawia się w:: Journal of Ecological Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 29.

Tytuł:: Wpływ parametrów konstrukcyjnych przewodów wtryskowych na proces zasilania gazem silnika o zapłonie iskrowym
The impact of design parameters of injection ducts on gas supply in the spark-ignition engine
Autorzy:: Rola, M.
Powiązania:: https://bibliotekanauki.pl/articles/133180.pdf
Data publikacji:: 2015
Wydawca:: Polskie Towarzystwo Naukowe Silników Spalinowych
Tematy:: silnik spalinowy
zasilanie gazem propan-butan
przewody gazowe
combustion engine
propane-butane supply
gas piping
Opis:: W artykule przedstawiono wyniki badań ciśnienia w przewodzie gazowym. Badania wykonano dla różnych konfiguracji układu wtryskowego (średnica i długość przewodu) oraz wybranych warunków obciążenia silnika. Uzyskane wyniki poddano analizie pod kątem wpływu wartości średnicy wewnętrznej i długości przewodu gazowego łączącego impulsowy zawór gazu z przewodem dolotowym oraz wartości średnicy dyszy wtryskowej zamocowanej w ściance przewodu dolotowego silnika na potrzebną wartość czasu impulsu sterującego wtryskiwaczem, gwarantującą podanie odpowiedniej dawki paliwa gazowego. Przeprowadzona analiza istotności różnic wartości średnich wykonanych pomiarów wykazała zróżnicowanie procesów gazodynamicznych w przewodzie gazowym. Zróżnicowanie to w zależności od parametrów konstrukcyjnych wpływa na przebieg wtrysku w silniku o zapłonie iskrowym. Tym samym wpływa na błąd sterowania składem mieszanki. Na podstawie analizy wyników wykazano, że zwiększająca się długość przewodu i zmniejszająca się średnica dyszy powodują zwiększenie czasu wtrysku paliwa gazowego w stosunku do wartości czasu wtrysku wtryskiwacza bezpośrednio połączonego z przewodem dolotowym.
This paper presents the research results on gas inlet pressure. Varied configurations of an injection system (varied duct diameters and lengths) and selected engine loads were investigated. The results were studied to specify how the desired time of a pulse to control an injector to provide a correct dose of gas is impacted by an internal diameter and length of injection ducts connecting a pulse gas injector and an inlet duct as well as a diameter of an injection nozzle installed at an intake duct wall. The significance of discrepancies in the mean values of the measurements was investigated and showed that gaseous and dynamic processes in a gas ducts can differ. Accordingly, as regarded engine design parameters, the course of injection in spark-ignition engines and thus the control error of mixture composition are impacted. Our study demonstrates that with increasing duct lengths and decreasing nozzle diameters, the time to inject gaseous fuels can be longer in relation to the time to inject gaseous fuels if an injector is directly connected to the intake duct.
Źródło:: Combustion Engines; 2015, 54, 3; 540-547
2300-9896
2658-1442
Pojawia się w:: Combustion Engines
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 30.

Tytuł:: Analiza bezpieczeństwa systemów wielostanowych w zmiennych warunkach eksploatacji
Multi-state system safety analysis in changing operation conditions
Autorzy:: Soszyńska, J.
Powiązania:: https://bibliotekanauki.pl/articles/327192.pdf
Data publikacji:: 2006
Wydawca:: Polska Akademia Nauk. Polskie Towarzystwo Diagnostyki Technicznej PAN
Tematy:: bezpieczeństwo systemów
systemy wielostanowe
diagnostyka
transport rurociągowy
system safety
multi-state systems
diagnostics
piping transport
Opis:: W artykule zaproponowano wielostanowe podejście do oceny bezpieczeństwa systemów oraz zastosowane są procesy semi-markova do modelowania ich procesu eksploatacji. Zdefiniowano funkcję bezpieczeństwa systemu i funkcja ryzyka systemu. Zaproponowano również podejście do rozwiązania bardzo ważnego, praktycznego problemu powiązania bezpieczeństwa systemów z ich procesami eksploatacji. Zastosowanie proponowanej metody zostało przedstawione na przykładzie oceny bezpieczeństwa portowego systemu transportu paliwa.
A multi-state approach to estimation of the systems' safety is proposed and a semi-markov processes for their operation modelling are applied. A system safety function and a system risk function are defined. The paper offers an approach to the solution of a practically very important problem of linking the systems' safety and their operation processes. Application of the proposed method is illustrated in the safety evaluation of the port oil transportation system.
Źródło:: Diagnostyka; 2006, 3(39); 25-34
1641-6414
2449-5220
Pojawia się w:: Diagnostyka
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 31.

Tytuł:: Mathematical modelling of dynamic processes in gas transmission
Autorzy:: Prytula, N.
Powiązania:: https://bibliotekanauki.pl/articles/411157.pdf
Data publikacji:: 2015
Wydawca:: Polska Akademia Nauk. Oddział w Lublinie PAN
Tematy:: transmission system
compressor station
optimal operating mode
gas flow model
network model
piping diagram
finite element method
Opis:: The problem of finding the parameters of the gas transmission system in terms of its operations under unsteady operating modes are considered. We show mathematical models of gas flows in the basic facilities in the system with a complicated piping diagram. The solution is built to solve a system of partial differentia equations with the finite element method of large dimension with boundary conditions, some of which are designed in the process of solving the system of equations. This is due to the provision of technical and technological constraints on the pressure of the controlled points of the system. On the resistance to finding a solution significantly affects a step of the time coordinate. The proposed algorithm in the editing process of flow diagrams provides an increase in stability of solving systems of equations, and significantly reduces the time for the simulation.
Źródło:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes; 2015, 4, 3; 57-63
2084-5715
Pojawia się w:: ECONTECHMOD : An International Quarterly Journal on Economics of Technology and Modelling Processes
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 32.

Tytuł:: Review of non-welded piping technologies on offshore equipment projects
Autorzy:: Drozd, Radosław
Pędzich, Wojciech
Powiązania:: https://bibliotekanauki.pl/articles/1878594.pdf
Data publikacji:: 2018
Wydawca:: Politechnika Gdańska
Tematy:: non-welded piping technologies
offshore industry
offshore equipment projects
niespawane techniki łączenia rurociągów
przemysł offshore
projekty urządzeń offshore
Opis:: The aim of this article are considerations on welded and non-welded tube connection technologies, with advantages and disadvantages of both. After choosing non-welded solutions as the assembly method of choice, the thesis progresses to describing the most widely-used tube connection technologies (JIC, Ermeto, retain ring flanges, flared tube flanges and other, minor, solutions) and their properties.
Celem artykułu jest przedstawienie rozważań na temat spawanych i niespawanych połączeń rurociągów, wraz z wadami i zaletami tych dwóch podejść do łączenia rur. Wybrawszy metody niespawanego budowania rurociągów, praca opisuje najpopularniejsze techniki łączenia rur (JIC, Ermeto, kołnierze z pierścieniem oporowym, kołnierze do rur kielichowanych i inne, rzadsze systemy), wymieniając ich charakterystyczne cechy.
Źródło:: Przedsiębiorstwo we współczesnej gospodarce - teoria i praktyka; 2018, 3, 26; 89-102
2084-6495
Pojawia się w:: Przedsiębiorstwo we współczesnej gospodarce - teoria i praktyka
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 33.

Tytuł:: Influence of the artificial defect on the flexible pipeline twist angle
Autorzy:: Nazarenko, S.
Kovalenko, R.
Kolienov, O.
Savelie, D.
Miachyn, V.
Demianyshyn, V.
Powiązania:: https://bibliotekanauki.pl/articles/24200543.pdf
Data publikacji:: 2022
Wydawca:: Stowarzyszenie Komputerowej Nauki o Materiałach i Inżynierii Powierzchni w Gliwicach
Tematy:: flexible piping
test
pressure hose
twist angle
defect
operating pressure
elastyczne orurowanie
wąż ciśnieniowy
kąt skręcenia
wada
ciśnienie robocze
Opis:: Purpose: To establish the dependence of the change in the values of the twisting angle of the flexible pipeline on the internal water pressure and the defect length, which is directed along and across the axis of the sleeve. Design/methodology/approach: Experimental studies were conducted in two stages. At the first stage, the methodology and plan of the experiment were developed, the factors and their values were determined, and experimental studies were conducted. The limits of variation in the area of factor spaces were established based on the basic analysis of a priori information. The length of the defect was 0, 50 and 100 mm. The pressure values in the sleeve were 0.2, 0.4 and 0.6 MPa. Adequacy of the obtained regression equations was checked using Fisher's test. At the second stage, the analysis of the research results was carried out and the numerical values of the factors that most affect the change in the value of the twisting angle of the sleeve were established. Findings: According to the results of experimental studies, the dependences of the change in the twisting angle of the flexible pipeline on the internal water pressure and the length of the defect were obtained. It was established that the dependence of the previously mentioned factors is close to linear. The largest discrepancy in the maximum sleeve twist angle – 21% was observed at pressure values of 0.4 MPa. Research limitations/implications: The research was limited to only two factors: the defect length and the pressure in the middle of the sleeve. Such factors as the degree of wear of the sleeve, the type of sleeve and the number of defects on the test sample were not taken into account. Practical implications: The obtained results can be used during the development of a new method of testing flexible pipelines, which will allow to establish hidden defects in them. Originality/value: For the first time, the dependence of the influence of the size and direction of the defect on the reinforcing frame of the pressure fire hose on the value of its twist angle at constant internal pressure indicators was established.
Źródło:: Archives of Materials Science and Engineering; 2022, 114, 2; 58--68
1897-2764
Pojawia się w:: Archives of Materials Science and Engineering
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 34.

Tytuł:: Stacjonarne badania procesów egzogenicznych w strefie brzegowej Zbiornika Brackiego (południe Syberii Wschodniej)
Egzogenic processes on shoreline of Brack Reservoir : stationary researches (South Part of East Siberia)
Autorzy:: Kaczmarek, H.
Mazaeva, O. A.
Kozyreva, E. A.
Khak, V. A.
Powiązania:: https://bibliotekanauki.pl/articles/295168.pdf
Data publikacji:: 2012
Wydawca:: Stowarzyszenie Geomorfologów Polskich
Tematy:: procesy egzogeniczne
strefa brzegowa
procesy abrazyjno-akumulacyjne
ruchy masowe
osuwiska
sufozja
erozja wąwozowa
egzogenic processes
shoreline
accumulation-abrasion processes
mass movement
landslides
piping
karst process
gully erosion
Brack Reservoir
Opis:: Strefa brzegowa Zbiornika Brackiego na rzece Angarze jest niezwykle ciekawym przykładem złożonego kompleksu procesów egzogenicznych z wyraźnym wpływem antropopresji, będącej wynikiem utworzenia zbiornika wodnego i jego eksploatacji. Badania monitoringowe, rozpoczęte jeszcze przed utworzeniem zbiornika, wskazują na transformację i intensyfikację przebiegu procesów egzogenicznych zachodzących na tym obszarze przed utworzeniem zbiornika (procesy osuwiskowe, procesy krasowe, erozja linijna), objęcie nimi kolejnych terenów, wcześniej pasywnych, jak również pojawienie się procesów nowych, przedtem nie występujących w tym regionie (procesy eoliczne, procesy abrazyjno-akumulacyjne). Badania te prowadzone są przez pracowników Instytutu Skorupy Ziemskiej RAN, a od kilku lat, w ramach dwustronnych umów, uczestniczą w nich również pracownicy Instytutu Geografii i Przestrzennego Zagospodarowania PAN.
The Brack Reservoir on Angara river was created in 1967. It is the second in terms of capacity (170 km3) and surface (5,500 km2) man-made lake on Earth. Monitoring tests, that started before the reservoir has been created, gives the information about transformation and intensification of exogenous processes occurring in this area, in comparison to state before reservoir creation (landslides, karst, erosion processes). Those processes have taken new areas. Additionally on this area new processes have appeared as result of reservoir exploitation (eolian processes, accumulation-abrasive processes).
Źródło:: Landform Analysis; 2012, 20; 51-63
1429-799X
Pojawia się w:: Landform Analysis
Dostawca treści:: Biblioteka Nauki

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