Temat: supply system - Katalog OPAC zbiorów

Skocz do pozycji: 1.

Tytuł:: Operational reliability of heat supply systems
Autorzy:: Babiarz, B.
Powiązania:: https://bibliotekanauki.pl/articles/2069555.pdf
Data publikacji:: 2008
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: reliability
heat supply system
operation process
Opis:: The paper contains an analysis of the operational process of heat supply system with taking into consideration its reliability. The specific character of the operation of heat-supply systems has been considered in this work. In the process of the exploitation of heat-supply systems there have been distinguished five operational states, assuming as a criterion of the level of indoor temperature decrease in residential rooms. The method of modelling the operational reliability of heat-supply systems is worked out. The methodology of determining the overall index of heat-supply system reliability has been presented. The measure of heat-supply system reliability has been assumed as the scale/quantity of inadequate supply of heat power at a given state. Calculations have been carried out regarding the changeability of exterior conditions for one of the groups of customers – residential users. On the basis of the operational data for the heat supply system with two heat sources shortage quantities of heat power and the probability of their occurrence have been calculated as an application of this methodology.
Źródło:: Journal of Polish Safety and Reliability Association; 2008, 1; 27--31
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 2.

Tytuł:: Probabilistic characteristics supporting the management of a production-supply system
Autorzy:: Galanc, T.
Kołwzan, W.
Pieronek, J.
Powiązania:: https://bibliotekanauki.pl/articles/406456.pdf
Data publikacji:: 2017
Wydawca:: Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:: production-supply system
model of a system
system characteristics
Opis:: The construction of a model and quantitative measures have been presented aimed at improving the efficiency of a production-supply system described by a three-dimensional stochastic process. For this purpose, the laws governing the functioning of the system have been described, corresponding to the three different states of the stock level in the subsystem M. These laws generate the quantitative model of the examined system, which enables the construction of the proposed quantitative measures supporting the managing process of such a system.
Źródło:: Operations Research and Decisions; 2017, 27, 3; 51-63
2081-8858
2391-6060
Pojawia się w:: Operations Research and Decisions
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 3.

Tytuł:: Safety analysis of water supply systems including protection barriers
Autorzy:: Pietrucha-Urbanik, K.
Rak, J. R.
Tchórzewska-Cieślak, B.
Powiązania:: https://bibliotekanauki.pl/articles/2069151.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: water supply system
protection barriers
event tree
Opis:: Water quality control from the perspective of water supply system users’ safety contributed to create drinking water production and quality control procedures. Contemporary risk hazard analysis should be performed on the stage of production, distribution and storage of tap water. Sequences of undesirable events are considered in the so-called waterworks chain series. This leads to critical control points and gives the ability to provide current control over the processes in the collective water supply system, as well as of their combinations and mutual interactions. Methodology of water consumers protection against incidental pollutions was shown. Algorithm concerning identification of critical control points – CCP was developed .The rules of safety related system into drinking water production have been shown. Also risk assessment using the tree event method was presented.
Źródło:: Journal of Polish Safety and Reliability Association; 2013, 4, 2; 241--248
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:: Methods for integrated Failure Risk Analysis of Water Network in terms of Water Supply System Functioning Management
Autorzy:: Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Powiązania:: https://bibliotekanauki.pl/articles/2068882.pdf
Data publikacji:: 2017
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: water supply system
failure indicators
risk analysis
Opis:: In the paper the issues connected with failure risk analysis related to the functioning of this system were presented. In the analysis of water supply system it is important to assess the safety of its operation, both from the producer and the consumer point of view. The paper presents the method of analysis of consumers acceptance of water costs that companies bear for the risk reduction. The proposed method can be the basis of comprehensive program of risk failure management and in decision-making on water supply operation.
Źródło:: Journal of Polish Safety and Reliability Association; 2017, 8, 1; 157--166
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 5.

Tytuł:: Crisis situation management issues in urban areas water supply
Autorzy:: Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Bajer, J.
Powiązania:: https://bibliotekanauki.pl/articles/2069035.pdf
Data publikacji:: 2015
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: water supply system
crisis situation
critical infrastructure
Opis:: In paper the methods of comprehensive analysis of reliability, safety and operation of the water supply system were presented. The main goal of this work is to present the problems associated with the WSS functioning in terms of belonging to critical infrastructure. The analysis of the WSS functioning in face of emergency events occurrence should be one of the priority actions taken by the water companies. The paper presents an application of reliability and safety analysis of water supply in emergency situations.
Źródło:: Journal of Polish Safety and Reliability Association; 2015, 6, 2; 135--146
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:: Analysis and assessment methods of water network failure in terms of belonging to critical infrastructure
Autorzy:: Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069170.pdf
Data publikacji:: 2016
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: water supply system
failure indicators
critical infrastructure
Opis:: In paper issues connected with safety and operation of the water supply system were presented. The study paid special attention to the safety aspect of water consumers in terms of belonging to critical infrastructure. In the paper the consumer risk of the first type associated with the lack or interruptions in water supply was defined, as well as the consumer risk of the second type associated with the consumption of water with incompatible quality with the regulation. The subject of risk assessment refers to the current trends in the world, which are intended to ensure the safety and comfort use of public water supplies.
Źródło:: Journal of Polish Safety and Reliability Association; 2016, 7, 1; 201--208
2084-5316
Pojawia się w:: Journal of Polish Safety and Reliability Association
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 7.

Tytuł:: Requirements for mobility of platforms and power supply system for unmanned ground vehicles
Autorzy:: Typiak, A.
Powiązania:: https://bibliotekanauki.pl/articles/242141.pdf
Data publikacji:: 2009
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: unmanned ground vehicle
mobility
power supply system
Opis:: This paper presents many varied mobile platform suited for different kinds unmanned ground vehicles applications. The Unmanned Ground Vehicle's platform is the glue that holds together all the other aspects ofafield able tactical military unmanned ground vehicle. Unless the platform exhibits a high degree of mobility and outstanding ruggedness it will fail to achieve its target location. If the UGV can not deploy its sensor s at the correct location then the mission is rendered useless. The platform should merge the drive system, a power supply system sufficient for the required mission period, an advanced communication system capable of returning real-time information to the user and a user friendly Human machine Interface that allows long term, stress free operations. The platform must have a very high immunity to electro-magnetic interference, and logistically any tactical UGV must not impose a heavy load on available systems or manpower. Unmanned Ground Vehicle technology areas, platforms for reconnaissance, surveillance and EOD missions, the first dedicated IED disposat robotic platform "Wheelbarrow", remotely controlled French tank (AMX30B2) for mine clearance operations, All terrain vehicle Gamma Goat, schematic of typical hybrid electric power train for UGVs, AHED 8x8 Phantom view revealing power and propulsion are presented in the paper.
Źródło:: Journal of KONES; 2009, 16, 2; 457-464
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 8.

Tytuł:: Nadezhnost vodoprovodnykh metalicheskikh trub Ukrainy
Reliability of metal water pipes of Ukraine
Autorzy:: Matjash, A.
Powiązania:: https://bibliotekanauki.pl/articles/77738.pdf
Data publikacji:: 2014
Wydawca:: Komisja Motoryzacji i Energetyki Rolnictwa
Tematy:: pipe
reliability
water supply system
water distribution system
Ukraine
Źródło:: Motrol. Motoryzacja i Energetyka Rolnictwa; 2014, 16, 6
1730-8658
Pojawia się w:: Motrol. Motoryzacja i Energetyka Rolnictwa
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 9.

Tytuł:: The Risk As a Measure of System Safety
Autorzy:: Rak, Janusz
Tchórzewska-Cieślak, Barbara
Powiązania:: https://bibliotekanauki.pl/articles/2065745.pdf
Data publikacji:: 2019
Wydawca:: Politechnika Rzeszowska im. Ignacego Łukasiewicza. Oficyna Wydawnicza
Tematy:: safety
risk
water supply system
ryzyko
bezpieczeństwo
system wodociągowy
Opis:: Water supply system (WSS) is characterized by its continuous work and requires high reliability level for its operating as well as for its safety System operating is inseparably connected with the possibility that different failures (undesirable events) occur. The most often they have random character and then they can be described by the classical methods used in the reliability engineering including the probabilistic methods but sometimes they are the consequences of the events which can cause the catastrophic situation. Events of this type cause the so called domino effect that is a chain of the undesirable events which very often develops according to some definite scenarios. In many cases the consequences of such events can be very serious for water consumers as well as for water pipe companies. The basic measure describing WSS safety is risk and the elaboration of the model to analyze risk connected with WSS will allow to use the safety barriers properly. The paper presents paradigms of risk analysis in WSS in the aspect of improving safety for water consumers.
Źródło:: Czasopismo Inżynierii Lądowej, Środowiska i Architektury; 2019, 66, 4; 51--61
2300-5130
2300-8903
Pojawia się w:: Czasopismo Inżynierii Lądowej, Środowiska i Architektury
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 10.

Tytuł:: WDM Power Supply for Identification System of Fibre Optic Connectors
Autorzy:: Guzowski, B.
Gozdur, R.
Lakomski, M.
Powiązania:: https://bibliotekanauki.pl/articles/220505.pdf
Data publikacji:: 2018
Wydawca:: Polska Akademia Nauk. Czytelnia Czasopism PAN
Tematy:: RFID
identification system
fibre optic transmission
power supply system
Opis:: Monitoring and controlling the position of fibre optics connectors is a very important issue. Both autonomy and remote control of such a system are very desired and therefore energy independence must be provided. In this paper the design of an optical power supply system is given. A new idea of using the WDM technique in a power supply block is investigated. The electric power provided by a photovoltaic power converter and by a boost converter is shown. Moreover, in this paper the complete examination of efficiency of the system with different illuminations is given. The maximal output power of the system is 24.02 mW and the time required to identify a single fibre connector is t_CYCLE=0.65 s.
Źródło:: Metrology and Measurement Systems; 2018, 25, 1; 235-244
0860-8229
Pojawia się w:: Metrology and Measurement Systems
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 11.

Tytuł:: A New Approach to the Maximum Quarterly Water Consumption Modeling on the Example of Individual Water Consumers in a Small Water Supply System
Autorzy:: Młyńska, Anna
Bergel, Tomasz
Młyński, Dariusz
Powiązania:: https://bibliotekanauki.pl/articles/2069910.pdf
Data publikacji:: 2021
Wydawca:: Politechnika Koszalińska. Wydawnictwo Uczelniane
Tematy:: water supply system
water consumption
modeling
probability distribution
Opis:: Quarterly water consumption data collected in a small water supply system were used for elaboration of a new water consumption modeling approach. In this paper, multi-distribution statistical analysis was performed. As the Anderson-Darling test proved, at least a half out of the ten tested theoretical probability distributions can be used for description of the water consumption. The application of the PWRMSE criterion made it possible to determine, which of the tested theoretical distributions is the best-fitted to the empirical data set. In the case of total daily water consumption for the group of the households, it was Johnson distribution, whereas for the average daily water consumption per capita, it was GEV distribution. Based on the best-fitted probability distribution, a 25-year water consumption simulation with the Monte Carlo method was conducted. Because methodology of this study is based on the probability distributions, even if the type of theoretical distribution of the water consumption will change, it will be still possible to use this simulation method by assuming the other distribution.
Źródło:: Rocznik Ochrona Środowiska; 2021, 23; 180--197
1506-218X
Pojawia się w:: Rocznik Ochrona Środowiska
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 12.

Tytuł:: Sedymentacja mikrocząstek osadów wodociągowych
Sedimentation of microparticles from water supply system
Autorzy:: Hofman, A.
Dziubiński, M.
Sowiński, J.
Powiązania:: https://bibliotekanauki.pl/articles/2073144.pdf
Data publikacji:: 2015
Wydawca:: Stowarzyszenie Inżynierów i Techników Mechaników Polskich
Tematy:: sedymentacja
mikrocząstki
wodociągi
sedimentation
microparticles
water supply system
Opis:: Przedstawiono wyniki badań i obliczeń prędkości sedymentacji zawiesin mikrocząstek osadów pochodzących z płukania systemu wodociągowego. Wykonano również badania wielkości mikro-cząstek osadów wodociągowych i rozkładu ich średnic. Eksperymentalnie określono prędkość sedymentacji zawiesin mikrocząstek oraz porównano ją z obliczoną wg wybranych modeli sedymentacji. Stwierdzono znaczne rozbieżności. Przedyskutowano wpływ średniej średnicy arytmetycznej i geometrycznej mikro-cząstek na obliczeniową prędkość sedymentacji mikrocząstek.
The paper presents the results of research and calculations of sedimentation velocity of microparticle suspensions from a flushing water supply system. Investigations of microparticle diameters and distribution of their size were also carried out. Determined experimentally values of sedimentation velocities were compared with selected sedimentation models. The significant discrepancies between the experimental and calculated values of sedimentation velocities of micro-particles suspensions were found. The influence of arithmetic and geo-metric average diameters of microparticle on the description of experimental data concerning sedimentation velocities of microparticles are discussed.
Źródło:: Inżynieria i Aparatura Chemiczna; 2015, 6; 326--327
0368-0827
Pojawia się w:: Inżynieria i Aparatura Chemiczna
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 13.

Tytuł:: Failure risk analysis in the collective water supply systems in crisis situations
Autorzy:: Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Powiązania:: https://bibliotekanauki.pl/articles/2069376.pdf
Data publikacji:: 2013
Wydawca:: Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:: collective water supply system
crisis situation
critical infrastructure
Opis:: Risk is a basic category to estimate water supply system safety. The first step in risk assessment is to identify the threats and their possible consequences. One of methods for risk assessment is the method using the socalled risk graphs. It relies on the preliminary analysis of such risk factors as: the frequency of threat occurrence – F, the duration of the risk exposure – E, the size of the possible consequences – C and a degree of protection – O, that is inversely proportional to the mentioned measures of risk. The route along the branches of the risk graph should be started from the determination of the initiating/peak event which is the undesirable event (e.g. secondary water contamination in water-pipe network). The expanded risk graph presented in the work differs from the standard (commonly used) graph because it takes into consideration all combinations of the particular risk factors.
Źródło:: Journal of Polish Safety and Reliability Association; 2013, 4, 1; 129--136
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:: Biogas as a fuel for diesel engines
Autorzy:: Wierzbicki, S.
Powiązania:: https://bibliotekanauki.pl/articles/246845.pdf
Data publikacji:: 2012
Wydawca:: Instytut Techniczny Wojsk Lotniczych
Tematy:: biogas
methane
diesel engine
dual-fuel supply system
Opis:: The pursuit of reduced greenhouse gas emissions, as well as the increased share of renewable fuels in the overall energy balance has led to a search for alternative energy sources. One of the fuels on which great hopes are set as fuel for engines is biomethane or biogas, whose main component is methane. Biogas can be obtained from different products by using different technologies, so that it has potential as a widelyavailable fuel, which is quite easy to produce. The percentage of methane in biogas depends on the technology for obtaining biogas and ranges from 35% to around 75%. The largest biogas sources can be animal farms, where it is obtained from animal excrement. Another source is sewage treatment plants and rubbish dumps, where substantial quantities of biogas are obtained as a result of natural processes occurring in waste dumping sites or sewage. Biogas can also be acquired from waste obtained from fruit and vegetable processing as well as waste from meat plants. This paper examines the possibility of using biogas as a fuel for diesel engines. In these engines, the combustion of biogas (methane) requires the application of a dual-fuel supply system in which liquid fuel initiating gas fuel selfignition will be injected into the combustion chamber along with methane. The paper also contains example results showing the effect of the methane dose on the course of the combustion process in diesel engines.
Źródło:: Journal of KONES; 2012, 19, 3; 477-482
1231-4005
2354-0133
Pojawia się w:: Journal of KONES
Dostawca treści:: Biblioteka Nauki

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Skocz do pozycji: 15.

Tytuł:: Saer - zarządzanie potencjałem wody
Autorzy:: Stybryc, A.
Tomaszewski, T.
Powiązania:: https://bibliotekanauki.pl/articles/365597.pdf
Data publikacji:: 2011
Wydawca:: Nowoczesne Budownictwo Inżynieryjne
Tematy:: pompa
zaopatrzenie w wodę
pump
water supply system
Opis:: Rozwój technologiczny oraz nieustannie zmieniające się potrzeby użytkowników pomp narzucają producentom wymóg ciągłej analizy rynku, której rezultatem jest poszerzanie wachlarza oferowanych urządzeń zarówno w zakresie osiąganych parametrów, jak i technologii materiałowej.
Źródło:: Nowoczesne Budownictwo Inżynieryjne; 2011, 3; 14-15
1734-6681
Pojawia się w:: Nowoczesne Budownictwo Inżynieryjne
Dostawca treści:: Biblioteka Nauki

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