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Tytuł:
A method for assessing of ship fuel system failures resulting from fuel changeover imposed by environmental requirements
Autorzy:
Kowalak, Przemysław
Myśków, Jarosław
Tuński, Tomasz
Bykowski, Dariusz
Borkowski, Tadeusz
Powiązania:
https://bibliotekanauki.pl/articles/2038055.pdf
Data publikacji:
2021
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
failure frequency
fuel changeover
fuel system failure
emission control area
Opis:
Environmental regulations instigated the technological and procedural revolution in shipping. One of the challenges has been sulfur emission control areas (SECA) and requirement of fuel changeover. Initially, many reports anticipated that new grades of low sulfur fuels might increase various technical problems in ship operation. This research develops a simple and easy to use method of the failure severity and intensity assessment in relation to fuel changeover. The scale of failure rate in the ship’s fuel system was evaluated qualitatively and quantitively, using developed failure frequency indicator and the time between failure. Based on 77 records of fuel system failures collected on seven ships, it has been found that frequency of failures related to SECA fuel changeover is on average nearly three times higher compared to the rest of sailing time. Their severity did not significantly change, but the structure of failures changed considerably. The method and presented results may help in improvement of ship’s systems design and on-board operational procedures.
Źródło:
Eksploatacja i Niezawodność; 2021, 23, 4; 619-626
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Frequency of failures in selected urban vehicle systems
Autorzy:
Rymarz, Joanna
Powiązania:
https://bibliotekanauki.pl/articles/1819085.pdf
Data publikacji:
2020
Wydawca:
Akademia Morska w Szczecinie. Wydawnictwo AMSz
Tematy:
system failure
public transport bus
seasonality
cooling system
power supply systems
driving system
engine
Opis:
The aim of this study was to examine the relationship between the occurrence of selected types of failures and the time and season of their occurrence in public transport buses in the city of Lublin. The analysis was carried out for buses operated in the Municipal Transport Company within the past 3 years. The chi-squared analysis showed that during operation, there are significant differences between the failures and the annual season, but there are no differences between the frequency of failures and the time of day.
Źródło:
Zeszyty Naukowe Akademii Morskiej w Szczecinie; 2020, 64 (136); 9-13
1733-8670
2392-0378
Pojawia się w:
Zeszyty Naukowe Akademii Morskiej w Szczecinie
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Interval-valued intuitionistic fuzzy failure modes and effect analysis of the system failure risk estimation
Autorzy:
Nguyen, H.
Powiązania:
https://bibliotekanauki.pl/articles/243789.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
interval-valued intuitionistic fuzzy sets
failure modes
effects analysis
system failure risk estimation
expert judgment
Opis:
Among the risk assessment methods, failure modes and effects analysis (FMEA) is a popular, widely used engineering technique in many areas. It can be used to identify and eliminate known or potential failure modes to enhance reliability and safety of complex systems. In practice, risk estimations encounter difficulties connected with shortage of data. In such cases, we have to rely on subjective estimations made by persons with practical knowledge in the field of interest, i.e. experts. However, in some realistic situations, the decision makers might be unable to assign the exact values to the evaluation judgments due to his/her limited knowledge. In other words, there is a certain degree of hesitancy in human cognition and his/her judgment, who may have insufficient knowledge of the problem domain or uncertainty in assigning the evaluation values to the objects considered. In order to deal with ambiguity and uncertainty in the imperfect information, there have been recently proposed many various such theories as fuzzy sets, interval-valued fuzzy sets, type-2 fuzzy sets, hesitant sets, grey sets, rough sets and intuitionistic fuzzy sets. They have drawn more and more attention of scholars and been adopted in many applications This article addresses the Atanassov’s interval-valued intuitionistic fuzzy sets and FMEA methods in the risk estimation of the system failures based on the expert judgments.
Źródło:
Journal of KONES; 2017, 24, 2; 159-166
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Introducing probabilistic models for redundant system reliability
Autorzy:
Babagana, M.
Gimba, B.
Yusuf, I.
Powiązania:
https://bibliotekanauki.pl/articles/969066.pdf
Data publikacji:
2016
Wydawca:
Politechnika Wrocławska. Oficyna Wydawnicza Politechniki Wrocławskiej
Tematy:
reliability
availability
mean time to system failure (MTSF)
busy period
network
redundancy
Opis:
Probabilistic models have been developed to evaluate the relationship between reliability measures and the performance of a repairable network with built in redundancy. Networks with built in redun-dancy have been considered and explicit expressions have been derived for three characteristics related to such systems including steady-state availability, period of repair, and a profit function. Various graphs have been plotted to discover the impact of availability and mean time to system failure on net profit, as well as the impact of the failure and service rate on the steady-state availability, net profit and mean time to system failure. The system was analysed using first order linear differential equations.
Źródło:
Operations Research and Decisions; 2016, 26, 1; 5-18
2081-8858
2391-6060
Pojawia się w:
Operations Research and Decisions
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Badania zmian stanu energetycznego układu śmigłowca w manewrach po awarii układu napędowego
Investigations of the helicopter system energy state changes in the mneuvers after propulsion system failure
Autorzy:
Stec, J.
Powiązania:
https://bibliotekanauki.pl/articles/213967.pdf
Data publikacji:
2008
Wydawca:
Sieć Badawcza Łukasiewicz - Instytut Lotnictwa
Tematy:
lotnictwo
śmigłowce
stan energetyczny układu śmigłowca
awarie układu napędowego
aviation
helicopters
helicopter system energy
propulsion system failure
Opis:
Publikacja zawiera opisy problematyki związanej z postaciami energii w układzie śmigłowca w locie po awarii układu napędowego. Przedstawiono również możliwości i sposoby wykorzystania poszczególnych postaci jak również wpływ ich wykorzystania na jakość przeprowadzenia manewrów bezpieczeństwa. Badania wykonano metodami symulacyjnymi z wykorzystaniem oprogramowania komputerowego.
Publication contains descriptions of the problems related with the energy shapes in the helicopter in flight system after the damage of propulsion system. It also presents the possibilities and the ways to use each form as well as their impact on the quality of the use of safety maneuvers. Investigations were carried out by simulation methods with utilisation of the computer software.
Źródło:
Prace Instytutu Lotnictwa; 2008, 3-4 (194-195); 311-322
0509-6669
2300-5408
Pojawia się w:
Prace Instytutu Lotnictwa
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Evaluation of Real Water Losses and the Failure of Urban-Rural Water Supply System
Autorzy:
Gwoździej-Mazur, Joanna
Świętochowski, Kamil
Powiązania:
https://bibliotekanauki.pl/articles/1839569.pdf
Data publikacji:
2021
Wydawca:
Polskie Towarzystwo Inżynierii Ekologicznej
Tematy:
water loss
water supply system failure
urban-rural water supply system
International Water Association
IWA
water balance
infrastructure leakage index
Opis:
The topic of failures and water losses in the urban-rural water supply network was discussed. The purpose of the work was to assess the level of real water losses and the failure rate of the urban-rural water supply network in 2010-2016. The article’s introduction contains the information on the types and causes of breakdowns in the water supply network. The life cycle of the leakage from its inception to its removal was also described. Next, the methodology and indicators for assessing actual losses in the water supply network were presented according to the guidelines of the International Water Association (IWA), i.e. ILI, CARL, UARL, RLB and water balance. The material and methods chapter describes how to calculate the failure rate. On the basis of the literature review, a method of assessing the failure of the water supply network and the level of actual water losses was presented. The research part presents the results of the water losses indicators values and assesses them against the literature data for the entire urban-rural system. The results of the failure of the water supply of the urban area and the rural area were also presented and compared with the literature data. A method of calculating limit values of the failure intensity index for the entire water supply system was also proposed. The changes in the intensity of failure occurrence during the year were presented. The object described in the studies achieved the A rating according to the classification of ILI and RLB values throughout the entire analysis period (2010–2016). Failure intensity in the analyzed period exceeded the average values calculated for water supply networks in Poland many times. The values in individual cases exceeded the limit values specified in the literature.
Źródło:
Journal of Ecological Engineering; 2021, 22, 1; 132-138
2299-8993
Pojawia się w:
Journal of Ecological Engineering
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Similarity-based failure threshold determination for system residual life prediction
Określanie progu awarii na podstawie podobieństwa jako metoda pozwalająca na przewidywanie trwałości resztkowej systemu
Autorzy:
Ma, Biao
Yan, Shufa
Wang, Xu
Chen, Jianhua
Zheng, Changsong
Powiązania:
https://bibliotekanauki.pl/articles/1841876.pdf
Data publikacji:
2020
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
system failure threshold
residual life
similarity
prognostics
oil field data
próg awarii systemu
trwałość resztkowa
podobieństwo
prognostyka
dane z badań oleju
Opis:
An accurate determination of the system failure threshold is an essential requirement in achieving an appropriate system residual life prediction and a reasonable planned maintenance strategy optimization afterward for degradation systems. This paper proposes a failure threshold determination method based on quantitative measurement of the similarity between the operating system and the historical systems. The similarity is formulated by a weighted average function and then calculated by a convex quadratic formulation to minimizing the variance between the operating system and the historical systems. With an accurate determination of the system failure threshold in real-time, a better prediction of the residual life for the operating system is achieved. Finally, a real case study for several power-shift steering transmission systems monitored using oil spectral analysis is adopted to illustrate and numerically compare the improved performance of the proposed method.
W przypadku systemów podlegających degradacji, dokładne określenie progu awarii systemu stanowi niezbędny warunek dokonania trafnej prognozy jego trwałości resztkowej oraz późniejszej optymalizacji strategii konserwacji rutynowych. W artykule zaproponowano metodę wyznaczania progu awarii opartą na ilościowym pomiarze podobieństwa między systemem użytkowanym obecnie a systemami użytkowanymi uprzednio. Podobieństwo formułuje się na podstawie funkcji średniej ważonej, a następnie oblicza na podstawie wypukłej formy kwadratowej w celu zminimalizowania wariancji między obecnie użytkowanym systemem a uprzednimi systemami. Dzięki dokładnemu określeniu progu awarii systemu w czasie rzeczywistym uzyskuje się lepszą prognostykę trwałości resztkowej obecnie użytkowanego systemu. W końcowej części pracy, w celu zilustrowania i numerycznego porównania ulepszonej wydajności proponowanej metody, zaprezentowano studium przypadku obejmujące kilka układów przeniesienia napędu monitorowanych przy użyciu analizy spektralnej oleju.
Źródło:
Eksploatacja i Niezawodność; 2020, 22, 3; 520-529
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Bezpieczeństwo informacji w przypadku awarii lub katastrofy
Information security in the case of disaster or system malfunction
Autorzy:
Michalski, A.
Powiązania:
https://bibliotekanauki.pl/articles/324529.pdf
Data publikacji:
2012
Wydawca:
Politechnika Śląska. Wydawnictwo Politechniki Śląskiej
Tematy:
informacja biznesowa
bezpieczeństwo danych
odtwarzanie bazy danych
awaria systemu
katastrofa
wadliwe działanie
business information
data safety
database restore
system failure
disaster
malfunction
Opis:
Dla współczesnej organizacji gospodarczej posiadane zasoby informacyjne stanowią jeden z najważniejszych czynników zapewnienia realizacji procesów biznesowych. Utrata danych w wyniku awarii systemu lub zaistniałej katastrofy najczęściej uniemożliwia powrót do prawidłowego funkcjonowania na rynku. W artykule przeanalizowano potencjalne przyczyny utraty informacji i omówiono sposoby zapobiegania utracie danych i ich odtwarzania w przypadku katastrofy.
In the contemporary enterprise all business processes can be carried out mainly thanks to company's information resources. Data loss in the case of disaster or system malfunction often results in disappearing the company from the market. In the paper possible causes of such scenario and methods how to prevent data loss and recover the system after disaster are presented.
Źródło:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska; 2012, 61; 243-254
1641-3466
Pojawia się w:
Zeszyty Naukowe. Organizacja i Zarządzanie / Politechnika Śląska
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
On System Reliability of Increasing multi-state linear k-within-(m,s)-of-(m,n):F lattice system
Zwiększanie niezawodności wielostanowych systemów liniowych typu k-w- (m,s) -z- (m,n):F o strukturze kratowej
Autorzy:
Taha, R.
Powiązania:
https://bibliotekanauki.pl/articles/300816.pdf
Data publikacji:
2018
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
network reliability
reliability engineering
structural reliability
system failure modelling
reliability optimization
probabilistic methods
niezawodność sieci
inżynieria niezawodności
niezawodność konstrukcyjna
modelowanie uszkodzeń systemu
optymalizacja niezawodności
metody probabilistyczne
Opis:
A "multi-state linear k-within-(m,s)-of-(m,n):F lattice system" (MS L(k,m,s,n:F)) comprises of m×n components, which are ordered in m rows and n columns. The state of system and components may be one of the following states: 0, 1, 2, …, H. The state of MS L(k,m,s,n:F) is less than j whenever there is at least one sub-matrix of the size m×s which contains kl or more components that are in state less than l for all j ≤ l ≤ H. This system is a model for many applications, for example, tele communication, radar detection, oil pipeline, mobile communications, inspection procedures and series of microwave towers systems. In this paper, we propose new bounds of increasing MS L(k,m,s,n:F) reliability using second and third orders of Boole-Bonferroni bounds with i.i.d components. The new bounds are examined by previously published numerical examples for some special cases of increasing MS L(k,m,s,n:F). Also, illustration examples of modelling the system and numerical examples of new bounds are presented. Further, comparisons between the results of second and third orders of Boole-Bonferroni bounds are given.
"Wielostanowy system liniowy k-w- ( m, s ) -z- ( m, n ):F o strukturze kratowej" (MS L(k, m, s, n:F)) składa się z m × n elementów, uporządkowanych w m wierszach i n kolumnach. Stan systemu i elementów może być jednym z następujących stanów: 0, 1, 2, ..., H. Stan MS L (k, m, s, n: F) jest mniejszy niż j, gdy istnieje co najmniej jedna pod-matryca o rozmiarze m × s, która zawiera kl lub więcej elementów, które znajdują się w stanie mniejszym niż l dla wszystkich j ≤ l ≤ H. System ten stanowi model dla wielu zastosowań, na przykład w telekomunikacji, detekcji radarowej, rurociągach naftowych, komunikacji mobilnej, procedurach przeglądu oraz systemach wież radiolinii. W niniejszym artykule proponujemy nowe granice zwiększania niezawodności MS L ( k, m, s, n: F) z wykorzystaniem drugiego i trzeciego stopnia nierówności Boole'a–Bonferroniego z niezależnymi elementami o jednakowym rozkładzie. Nowe granice omówiono na podstawie poprzednio publikowanych przykładów numerycznych dla niektórych szczególnych przypadków zwiększania MS L ( k, m, s, n: F). Przedstawiono także przykłady ilustrujące modelowanie systemu oraz numeryczne przykłady nowych granic. Ponadto porównano wyniki uzyskane dla drugiego i trzeciego stopnia nierówności Boole'a–Bonferroniego.
Źródło:
Eksploatacja i Niezawodność; 2018, 20, 1; 73-82
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Reliability analysis of multi-site damage with failure dependency of the turbine based on flow-thermal-solid coupling analysis and the Monte Carlo validated simulations
Autorzy:
Qian, Wenxue
Zeng, Xianhai
Huang, Shuanghui
Yin, Xiaowei
Powiązania:
https://bibliotekanauki.pl/articles/27312780.pdf
Data publikacji:
2023
Wydawca:
Polska Akademia Nauk. Polskie Naukowo-Techniczne Towarzystwo Eksploatacyjne PAN
Tematy:
flow-thermal-solid coupling analysis
Monte Carlo simulation
turbine disk
multiple loads
probabilistic modeling
system reliability with failure dependency
Opis:
The harsh environmental loads may lead to strength failure in the turbine in an aero-engine. To accurately assess the strength reliability of the turbine under multiple loads, the stress distributions of 41 danger sites of a turbine under thermal, centrifugal, and pneumatic loads were determined by the flow-thermal-solid coupling analysis using ANSYS. Second, based on the flow-thermal-solid coupling analysis and response surface method, the probabilistic analysis model of stress at the danger site was established. And the probabilistic distribution of stress was determined by sampling and hypothesis testing. Finally, the reliability model of the turbine with multi-site damage and failure dependency was established, by which a reliability of 0.99802 was calculated. And the actual reliability of the turbine was 0.99626 determined by the Monte Carlo simulations, which verified the model in precision. The results indicated that the reliability model has a high efficiency and higher precision than the traditional reliability model with failure independence.
Źródło:
Eksploatacja i Niezawodność; 2023, 25, 3; art. no. 168771
1507-2711
Pojawia się w:
Eksploatacja i Niezawodność
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Analysis of costs of repairs of undesirable events occurring in a municipal bus transportation system
Autorzy:
Bojar, P.
Woropay, M.
Migawa, K.
Szubartowski, M.
Powiązania:
https://bibliotekanauki.pl/articles/247304.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
transport system
collision
devastation
failure
Opis:
Systems of public transport carry out their tasks on the territory of a given town and in the suburbs performing the same functions as in towns. A distinctive feature of this type of system is performance of its task for twenty four hours, in different traffic intensity conditions over an assigned administrative area. This type of variables has a large influence on occurrence of undesirable events (failure of vehicles and their devastation, collision and accidents). In the work, an attempt of identification of undesirable events occurring in the analyzed transport system has been made. Moreover, an analysis has been made which covers one day of the week, time of the day and weather conditions in which particular events took place. Another aspect of the work was to make an analysis of the vehicle driver's age, job experience and a given hour of work on the day of the event occurrence. Obtainment of such data allowed demonstrating the structure of events according to the criterion of the event type, and costs connected with bringing the damaged transport means to the state of serviceability. The obtained results of experimental tests provide a basis for taking rational decisions by decision makers employed in a given system. These decisions are supposed to reduce the number of undesirable events occurrence and costs connected with them.
Źródło:
Journal of KONES; 2011, 18, 4; 19-24
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
A genetic fuzzy approach to estimate operation time of transport device
Autorzy:
Smoczek, J.
Szpytko, J.
Powiązania:
https://bibliotekanauki.pl/articles/247484.pdf
Data publikacji:
2011
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
failure prediction
fuzzy genetic system
material handling system
Opis:
The classic approach to evaluate the probability that an operational system is capable to operate satisfactorily and successfully perform the formulated tasks is based on availability that is coefficient which is determined based on the history of down-time and up-time occurring, while the risk-degree of down-time occurring strongly depends on the actual operational state of a system. The intelligence computational methods enable to create the diagnosis tools that allow to formulate the prognosis of operating time of a system and predict of failure occurring based on the past and actual information about system's operational state, especially genetic fuzzy systems (GFSs) that combine fuzzy approximate reasoning and capability to learn and adaptation. The paper presents the fuzzy rule-based inference system used to predict the operating time of exploitation system according to the specified operational conditions. The proposed algorithm was used to design the fuzzy model applied to estimate the operating time of a system between the actual time and predicted time of the next failure occurring under the stated operational parameters. The fuzzy system allows to prognoses the time of the predicted failure based on the operational parameters which are used to evaluate the actual operational state of the system. The attention in the paper is focused on the evolutionary computational techniques applied to design the fuzzy inference system. The paper proposes the genetic algorithm based on the Pittsburgh method and real-valued chromosomes used to optimize the knowledge base and parameters of antecedents and conclusions of the Takagi-Sugeno-Kang (TSK) fuzzy implications. The paper is the contribution to the GFSs, which aim is to find an appropriate balance between accuracy and interpretability, and also contribution to the research field on the diagnosis methods based on soft computing techniques. The evolutionary algorithm was tested for designing the fuzzy operating time predictor of material handling device.
Źródło:
Journal of KONES; 2011, 18, 4; 601-608
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Diagnostic of the piston rod gland’s failure of marine slow speed main engine
Autorzy:
Murawski, L.
Van Doan, D.
Powiązania:
https://bibliotekanauki.pl/articles/244395.pdf
Data publikacji:
2017
Wydawca:
Instytut Techniczny Wojsk Lotniczych
Tematy:
marine propulsion system
slow-speed main engine
failure of piston-crankshaft system
diagnostic based on vibrations
displacement
stress level
Opis:
The article presents untypical diagnostic of the slow-speed, marine main engine. The engine was newly made-up and checking during mounting process and during sea trial. However, a leak under piston chamber of second cylinder along the piston rod appeared few days after the sea trial. The stuffing box exchange (with the piston rod’s regeneration) did not give expected results − the failure happened again. All geometrical and exploitation parameters was in acceptable range. The ship with main engine was fifth in the series of sister ships. The authors were asked for urgent expert opinion. Mix of different measurements was planned after formulation several hypothesis. Displacements of piston rod and cylinder, a stress level of main engine body, and vibrations level in different points of main engine was performed during short sea voyage. Not a single hypothesis can be considered as the main cause of the failure. It turns out, that a serious failure need not be caused by a single reason. According to snowball theory a sum of small effects, each of them affecting slightly the engine operation, can be a cause of serious failure. In the authors’ opinion, the failure was caused by a sum of relatively slight effects. The probably scenario of the failure process was enunciated. The recommendation for the engine project was formulated: some of the geometrical tolerances should be changed.
Źródło:
Journal of KONES; 2017, 24, 4; 203-210
1231-4005
2354-0133
Pojawia się w:
Journal of KONES
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Review of methods for identifying threats including the critical infrastructure systems within the Baltic Sea
Autorzy:
Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Szpak, D.
Powiązania:
https://bibliotekanauki.pl/articles/2068908.pdf
Data publikacji:
2017
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
failure
system safety
safety management
threats
Opis:
In the analysis of the operation of critical infrastructure systems it is important to perform the analysis of the safety of the operation. The daily operation of such systems is inherently associated with the occurrence of various types of random undesirable events. Therefore, in the paper the methods used in the analysis of the risk of threats in critical infrastructure systems within the Baltic Sea, were presented.
Źródło:
Journal of Polish Safety and Reliability Association; 2017, 8, 1; 139--148
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Tytuł:
Developing procedures for hazard identification
Autorzy:
Tchórzewska-Cieślak, B.
Pietrucha-Urbanik, K.
Szpak, D.
Powiązania:
https://bibliotekanauki.pl/articles/2069083.pdf
Data publikacji:
2016
Wydawca:
Uniwersytet Morski w Gdyni. Polskie Towarzystwo Bezpieczeństwa i Niezawodności
Tematy:
failure
system safety
safety management
threats
Opis:
The reliable operation of critical infrastructure has a direct impact on the energy security of country. Due to the complexity and vastness of such system it is exposed to various types of events that could lead to failure. These risks may result directly from the operation and also be the result of external factors. Especially dangerous are the undesirable events with incidental character or unlikely events that constitute a serious threat to people and the environment and resulting in significant loss.
Źródło:
Journal of Polish Safety and Reliability Association; 2016, 7, 1; 209--216
2084-5316
Pojawia się w:
Journal of Polish Safety and Reliability Association
Dostawca treści:
Biblioteka Nauki
Artykuł
Wyświetlanie 1-15 z 93

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