Relevant bibliographies by topics / Accident results removal

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Accident results removal'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Accident results removal"

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Zaki, Su'ud, Nuri Trianti, and Rosidah M. Indah. "Preliminary Analysis of Unprotected Loss of Heat Sink in Small Long Life Gas Cooled Fast Reactor." Applied Mechanics and Materials 751 (April 2015): 268–72. http://dx.doi.org/10.4028/www.scientific.net/amm.751.268.

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The failure of the secondary side in Gas Cooled Fast Reactor system, which may contain co-generation system, will cause loss of heat sink (LOHS) accident. In this study accident analysis of unprotected loss of heat sink due to the failure of the secondary cooling system has been investigated. The thermal hydraulic model include transient hot spot channel model in the core, steam generator, and related systems. Natural circulation based heat removal system is important to ensure inherent safety capability during unprotected accidents. Therefore the system similar to RVACS (reactor vessel auxili
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Kaliatka, Algirdas, Viktor Ognerubov, Virginijus Vileiniškis, and Eugenijus Ušpuras. "Analysis of the Processes in Spent Fuel Pools in Case of Loss of Heat Removal due to Water Leakage." Science and Technology of Nuclear Installations 2013 (2013): 1–11. http://dx.doi.org/10.1155/2013/598975.

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The safe storage of spent fuel assemblies in the spent fuel pools is very important. These facilities are not covered by leaktight containment; thus, the consequences of overheating and melting of fuel in the spent fuel pools can be very severe. On the other hand, due to low decay heat of fuel assemblies, the processes in pools are slow in comparison with processes in reactor core during LOCA accident. Thus, the accident management measures play a very important role in case of some accidents in spent fuel pools. This paper presents the analysis of possible consequences of fuel overheating due
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Hu, Chongju, Wangli Huang, Zhizhong Jiang, et al. "Analysis on passive residual heat removal system with heat pipes for longterm decay heat removal of small lead-based reactor." E3S Web of Conferences 236 (2021): 01018. http://dx.doi.org/10.1051/e3sconf/202123601018.

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.A lead-based reactor with employing heat pipes as passive residual heat removal system (PRHRS) for longterm decay heat removal was designed. Three-dimensional computational fluid dynamics (CFD) software FLUENT was adopted to simulate the thermal-hydraulic characteristics of the PRHRS under Station-Black-Out (SBO) accident condition. The results showed that heat in the core could be removed smoothly by the PRHRS, and the core temperature difference is less than 20 K.
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Skalozubov, V., V. Spinov, D. Spinov, Т. Gablaya, V. Kochnyeva, and Yu Komarov. "SUBSTANTIATION OF MODERNIZED BLACKOUT & LOSS-OF-COOLANT ACCIDENT MANAGEMENT STRATEGY AT NUCLEAR POWER PLANTS WITH WWER." Odes’kyi Politechnichnyi Universytet Pratsi 2, no. 61 (2020): 70–77. http://dx.doi.org/10.15276/opu.2.61.2020.08.

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The analysis of the known results of RELAP5/V.3.2 simulation for loss of coolant & blackout accidents at WWER nuclear power plants showed that the design accident management strategies with design passive safety systems do not provide the necessary safety conditions for the maximum permissible temperature of fuel claddings, the minimum permissible level of coolant in the reactor and feed water in the steam generators. A conservative thermohydrodynamic model for a design and modernized blackout & loss-of-coolant accident management strategy at a nuclear power plant with WWER has been de
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Kristiansen, N. I., A. Stohl, and G. Wotawa. "Atmospheric removal times of the aerosol-bound radionuclides <sup>137</sup>Cs and <sup>131</sup>I during the months after the Fukushima Dai-ichi nuclear power plant accident – a constraint for air quality and climate models." Atmospheric Chemistry and Physics Discussions 12, no. 5 (2012): 12331–56. http://dx.doi.org/10.5194/acpd-12-12331-2012.

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Abstract. Caesium-137 (137Cs) and iodine-131 (131I) are radionuclides of particular concern during nuclear accidents, because they are emitted in large amounts and are of significant health impact. 137Cs and 131I attach to the ambient accumulation-mode (AM) aerosols and share their fate as the aerosols are removed from the atmosphere by scavenging within clouds, precipitation and dry deposition. Here, we estimate their removal times from the atmosphere using a unique high-precision global measurement data set collected over several months after the accident at the Fukushima Dai-ichi nuclear po
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Kristiansen, N. I., A. Stohl, and G. Wotawa. "Atmospheric removal times of the aerosol-bound radionuclides <sup>137</sup>Cs and <sup>131</sup>I measured after the Fukushima Dai-ichi nuclear accident – a constraint for air quality and climate models." Atmospheric Chemistry and Physics 12, no. 22 (2012): 10759–69. http://dx.doi.org/10.5194/acp-12-10759-2012.

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Abstract. Caesium-137 (137Cs) and iodine-131 (131I) are radionuclides of particular concern during nuclear accidents, because they are emitted in large amounts and are of significant health impact. 137Cs and 131I attach to the ambient accumulation-mode (AM) aerosols and share their fate as the aerosols are removed from the atmosphere by scavenging within clouds, precipitation and dry deposition. Here, we estimate their removal times from the atmosphere using a unique high-precision global measurement data set collected over several months after the accident at the Fukushima Dai-ichi nuclear po
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Zaki, Su'ud. "Unprotected Loss of Flow Accident in Small Long Life Gas Cooled Fast Reactor." Applied Mechanics and Materials 751 (April 2015): 263–67. http://dx.doi.org/10.4028/www.scientific.net/amm.751.263.

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In post Fukushima nuclear accidents inherent safety capability is necessary against some standard accidents such as unprotected loss of flow (ULOF), unprotected rod run-out transient over power (UTOP), unprotected loss of heat sink (ULOHS). Gas cooled fast reactors is one of the important candidate of 4th generation nuclear power plant and in this paper the safety analysis related to unprotected loss of flow in small long life gas cooled fast reactors has been performed. Accident analysis of unprotected loss of flow include coupled neutronic and thermal hydraulic analysis which include adiabat
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Hu, Chongju, Hongyan Wang, Bo Wu, Xiuxiang Zhang, and Pinghua Zhang. "Effect of heat pipe failure on performance of residual heatremoval system with heat pipe for small lead-based reactor." E3S Web of Conferences 248 (2021): 01021. http://dx.doi.org/10.1051/e3sconf/202124801021.

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Heat pipe have the characteristics of high thermal conductivity, high safety performance, without external power, etc. In this paper, The numerical simulation CFD software FLUENT is used to study the thermal-hydraulic characteristics performance of heat pipe waste heat removal system with heat pipe for lead-based reactor under normal conditions and Station-Black-Out (SBO) with partial heat pipes damage respectively. Results showed that heat pipes promote heat transfer in the reactor and reduced the temperature of the fluid around the reactor during normal operation; Heat in the core could be r
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Li, Feng, Yazhe Lu, Xiao Chu, Qiang Zheng, and Guanghao Wu. "Design, Experiment, and Commissioning of the Passive Residual Heat Removal System of China’s Generation III Nuclear Power HPR1000." Science and Technology of Nuclear Installations 2021 (March 13, 2021): 1–6. http://dx.doi.org/10.1155/2021/6680400.

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In response to a station blackout accident similar to the Fukushima nuclear accident, China’s Generation III nuclear power HPR1000 designed and developed a passive residual heat removal system connected to the secondary side of the steam generator. Based on the two-phase natural circulation principle, the system is designed to bring out long-term core residual heat after an accident to ensure that the reactor is in a safe state. The steady-state characteristic test and transient start and run test of the PRS were carried out on the integrated experiment bench named ESPRIT. The experiment resul
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Lelieveld, J., D. Kunkel, and M. G. Lawrence. "Global risk of radioactive fallout after major nuclear reactor accidents." Atmospheric Chemistry and Physics 12, no. 9 (2012): 4245–58. http://dx.doi.org/10.5194/acp-12-4245-2012.

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Abstract. Major reactor accidents of nuclear power plants are rare, yet the consequences are catastrophic. But what is meant by "rare"? And what can be learned from the Chernobyl and Fukushima incidents? Here we assess the cumulative, global risk of exposure to radioactivity due to atmospheric dispersion of gases and particles following severe nuclear accidents (the most severe ones on the International Nuclear Event Scale, INES 7), using particulate 137Cs and gaseous 131I as proxies for the fallout. Our results indicate that previously the occurrence of INES 7 major accidents and the risks of
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Dissertations / Theses on the topic "Accident results removal"

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Svoboda, Petr. "Vyhodnocení zásahů jednotek Hasičského záchranného sboru ČR k dopravním nehodám v regionu." Master's thesis, Vysoké učení technické v Brně. Ústav soudního inženýrství, 2013. http://www.nusl.cz/ntk/nusl-232799.

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The dissertation deals with the road accident interventions carried out by Fire fighting units and emphasizes average adjustments as well as the problems of forensic engineering. Within the Southern Moravia region, it analyses the statistical data of the Fire Rescue Brigade of the Czech Republic with relation to the road accident interventions, and it analyses the position of the individual units of the Fire Rescue Brigade of the Southern Moravia in the above system. The dissertation discusses relation between the forensic engineering and the Fire Rescue Brigade of Czech Republic and stresses
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Books on the topic "Accident results removal"

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Sandalls, F. J. Removal of Radiocaesium from Urban Surfaces Contaminated as the Result of a Nuclear Accident. AEA Technology Plc, 1987.

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Book chapters on the topic "Accident results removal"

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Knoflacher, Hermann. "Effect of a Motorway on Development of Accidents in a Big City." In Engineering Tools and Solutions for Sustainable Transportation Planning. IGI Global, 2017. http://dx.doi.org/10.4018/978-1-5225-2116-7.ch012.

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Traditional transport practice and science call motorways as safe roads since the accident rate (accidents per 1 million vehicle kilometres) is lower than on ordinary roads. This is based on the scientific inadmissible comparison. Similar, but not comparable things, are compared: the accident situation of two different kinds of transport systems, which are basically different not only in its construction elements, but also in operation condition, their environments and the composition of their users. All of them are different. To compare, comparability is a necessary precondition. If we take this into consideration we can recognize, that the existing contradiction between accident-research-results and physics can be removed. Systems with a higher speed have a higher risk. But these facts are continuously neglected by traditional educated practitioners: they cling to their myths. One of them is “Since the number of accidents per kilometer driven on motorways is less than on other roads, motorways are safer roads.”
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Kumar, Amit. "Bioremediation and Biodegradation Technologies for Removal of Pollutants and Wastes from the Environment." In Advances in Environmental Engineering and Green Technologies. IGI Global, 2021. http://dx.doi.org/10.4018/978-1-7998-4921-6.ch014.

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Bioremediation is defined as the process whereby organic wastes are biologically degraded under controlled conditions to an innocuous state, or to levels below concentration limits established by regulatory authorities. For bioremediation to be effective, microorganisms must enzymatically attack the pollutants and convert them to harmless products. As bioremediation can be effective only where environmental conditions permit microbial growth and activity, its application often involves the manipulation of environmental parameters to allow microbial growth and degradation to proceed at a faster rate. Bioremediation techniques are typically more economic than traditional methods such as incineration, and some pollutants can be treated on site, thus reducing exposure risks for clean-up personnel, or potentially wider exposure as a result of transportation accidents. Bioremediation is based on natural attenuation. The public considers it more acceptable than other technologies.
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Michie, Ranald C. "Global Financial Crisis." In Banks, Exchanges, and Regulators. Oxford University Press, 2020. http://dx.doi.org/10.1093/oso/9780199553730.003.0014.

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Many have suggested that the Global Financial Crisis was an accident waiting to happen, being the result of trends dating from the 1970s. However, these same trends provided the global financial system with a high degree of resilience. The depth and breadth of global financial markets, the size and scale of the megabanks, and the use of derivatives, all provided a means of coping with the instabilities inherent in market economies. In addition, central banks, acting collectively, had perfected rules of behaviour that were applied to systemically important banks and so reduced the level of risk that they were exposed to. Securitization and the operation of the originate-and-distribute model of banking had removed the threat of a liquidity crisis. Regulatory agencies were also in place that supervised financial systems, and so were in a position to identify and deal with any signs of impending difficulty. This removed the threat of a solvency crisis for any systemically important institution. Under these circumstances a crisis of the magnitude of the one that took place in 2008 was considered impossible. But the impossible happened. However, the crisis was a rolling affair, beginning in 2007, creating ample opportunity for intervention to prevent it having the consequences it did.
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Steinberg, Paul F. "Feasible Worlds." In Who Rules the Earth? Oxford University Press, 2015. http://dx.doi.org/10.1093/oso/9780199896615.003.0007.

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What would the world be like if high-speed trains arrived every ten minutes to whisk you away to the city of your choice? It would be a lot like Japan. What if our computers and coffee makers were not dumped in toxic landfills at the end of their lifecycle, but were instead reused as raw materials for new consumer products? Just ask Western Europeans. What if instead of crafting environmental rules in secret, governments were required to share all of the information shaping their decisions with any citizen who demanded it? The answer can be found in the United States. The differences among the “worlds” experienced by citizens of Japan, Europe, and the United States stem in large part from variation in the rules underpinning them. In Japan, a national system of bullet trains (shinkansen) came about not because of an inevitable march of technological progress. It was the result of national and local rules that transformed a disjointed collection of railways into an integrated national system—a system that has not had a single fatal accident since its inauguration in 1964. In Europe, new rules make corporations responsible for collecting and recycling the electronic goods they sell to consumers. Because they must safely dispose of any toxic substances in their products, these companies have a strong incentive to remove heavy metals and other poisons from the manufacturing process. In the United States, the Freedom of Information Act empowers citizens to demand that government agencies send them all pertinent documents describing the rationale behind their decisions—a degree of transparency that is unheard of in Japan or Europe. Of course, these states of the world did not always exist. They were brought into being through deliberate acts of social change in which old rules were tossed and new ones put in place. Yet many people find the thought of social change too daunting. It seems unrealistic, out of reach. Compared to the dizzying pace of change in technology and popular culture, it appears that progress on big social problems like poverty alleviation, human rights, and environmental sustainability moves at glacial speed.
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Whiteman, C. David. "Air Pollution Dispersion." In Mountain Meteorology. Oxford University Press, 2000. http://dx.doi.org/10.1093/oso/9780195132717.003.0021.

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Air pollutants are harmful airborne substances (solids, liquids, or gases) that, when present in high-enough concentrations, threaten human health or welfare, harm vegetation, animals, or structures, or affect visibility. Visibility alone is not, however, a reliable indicator of the presence of pollutants. A visible plume of condensed water vapor from an industrial cooling tower decreases solar radiation and increases the frequency of fog and icy road conditions near the cooling tower, but it is not an air pollution plume because it is composed entirely of water. In contrast, an industrial pollutant plume may be nearly invisible after the gross particulate matter has been removed by pollution control equipment, but it may still contain large quantities of pollutant gases. Air pollutants can come from either natural or anthropogenic (human) sources. The distinction between the two categories is not always clear. Natural emissions include ash and dust from volcanoes, certain highly volatile chemicals from forests, aeroallergens such as ragweed pollen, wind-entrained dust from natural land surfaces, and smoke and ash from wildfires. Wind-entrained dust can, however, come from roadways or land surfaces that have been disturbed by man, some aeroallergens come from plant species introduced to a new habitat by man, and many fires are prescribed fires —natural or man-made fires (whether accidental or deliberate) that are allowed to burn in order to meet forest or land management objectives. Pollutants can be emitted directly into the atmosphere (primary pollutants] or produced in the atmosphere (secondary pollutants) as a result of chemical or physical transformations of primary pollutants when exposed to other components of air, including other pollutants or water vapor. Examples of transformations include the clumping or coagulation of small particulates into larger particles and the conversion of sulfur dioxide gas emitted from coal-fired power plants to particulate sulfates under humid conditions or to acid rain droplets if clouds are present. Some secondary pollutants, such as photochemical smog or ozone, result from photochemical reactions, that is, chemical reactions that occur only in the presence of solar radiation. Pollutants may come from point, area, or line sources; the emissions may be continuous or intermittent; and the source strength may be variable or constant.
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"The important point here is that no act of fertilisation is involved and it is on this point that the arguments were made. The original Human Fertilisation and Embryology Act 1990 was amended in 2000 so that cloned embryos were covered, but the definition of an embryo, that is a fertilised egg, was not altered. Since a cloned embryo has not undergone fertilisation it is not in fact covered by the Act. So although a contradiction in terms, for the purpose of the law a cloned embryo is not an embryo. The outcome of this was that the High Court decided that the licensing arrangements for embryo cloning did not hold for implantation of cloned embryos. All of a sudden it became apparent that producing an infant from a cloned adult cell was not ruled out. This legislative anomaly was that it should never have been exposed by a court ruling; it should have been dealt with by Parliament long ago. When Dolly the sheep was born in 1997 it was immediately obvious that sex may not be the only way to produce new offspring. In the US, the government quickly took this on board and revised its own definition of an embryo. In the UK, the committee of MPs dealing with science and technology warned the government of the potential problems this definition of an embryo might cause. On Friday, 18 January 2002, the Master of Rolls, Lord Phillips of Worth Matravers, sitting with two other judges, said that an embryo created by cloning did fall within the legal definition of an embryo, even though no fertilisation had taken place. This finally brought human cloning in the UK for medical research into the Human Fertilisation and Embryology Act 1990. Whether you agree or disagree with the principles involved there are many questions which are raised. Broadly speaking, there are two types of cloning in use here. One is cloning fertilised embryo cells and the other is cloning of other cells. But what is the difference? If nature can, and does, produce complete individuals from a single cell, then at what point do we say that cloning a cell is tantamount to usurping the position of nature. But it is the very nature of human curiosity to try to understand the world about us, including how it is that we cannot artificially create a viable organism. Put bluntly, if it happens in nature, why can’t we do it? This debate is complicated because identical twins can be seen as clones of each other. Although semantic debates in themselves can be interesting it would at this stage be worth considering what we mean by ‘clone’ and why it results in some very specific grammar. A clone is any group of cells, which includes a complete organism, which derives from a single progenitor cell. So Dolly the sheep is a clone of her mother, cloned from a cell of her mother. Identical twins are clones of each other from an original ovum. So not only do we clone by accident, in the case of identical twins, but for at least the last half century we have been cloning human cells deliberately and this deliberate cloning has been done in the quest for methods of prenatal diagnostics. When foetal cells are removed so that they can be tested for large scale genetic defects, such as Down’s syndrome and other conditions not compatible with life, the cells are routinely grown before the testing is carried out. Each group of cells is a clone of the first one which started dividing, each clone has the entire genetic content of the foetus from which it originated, but no one would suggest that there is sentience or soul present. Many of the samples of cloned cells are then frozen." In Genetics and DNA Technology: Legal Aspects. Routledge-Cavendish, 2013. http://dx.doi.org/10.4324/9781843146995-19.

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Conference papers on the topic "Accident results removal"

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Sidorov, Valery G., Vladimir Bezlepkin, Sergej Alekseev, Sergey Semashko, Igor Ivkov, and Vladimir Kukhtevich. "Experimental and Computational Studies of LNPP-2 Passive System for Severe Accident Management." In 18th International Conference on Nuclear Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/icone18-29857.

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The project of nuclear station LNPP-2 with a reactor power plant VVER type by electrical power 1200 MVt involves a number of new design solutions to increase of parameters of safety. The passive containment heat removal system and heat removal system via steam generators is including of number of such solutions. Passive heat removal system via steam generators (PHRS/SG) is assigned for remove of residual heat of reactors core to final heat absorber (atmosphere) through a secondary circuit at DEC accident. The system PHRS/SG duplicates cooling-down system via SG to final heat absorber in case o
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Fu, Yaru, Jun Geng, Dawei Sun, Qiliang Mei, Gaofeng Huang, and Nan Pan. "Research on Method and Characteristics of Aerosol Natural Removal in Containment After Accidents." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-66558.

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For passive nuclear power plants, the radioactive aerosols in containment are removed by natural processes after accidents. These processes have high reliability. However, it is very complicated to analyze the behaviors of aerosols in natural processes. The dominant processes include coagulation, sedimentation, diffusionphoresis, and themophoresis. The main work of this paper is summarized as follows: (1) To determine methods of analysis radioactive aerosol natural removal coefficient in containment. (2) To complete comparative analysis natural removal processes to AP1000 and CAP1400 after LOC
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Yue, Nina, Rong Cai, Yun Wang, Suizheng Qiu, and Dalin Zhang. "The Choose of Decay Heat Removal Systems of SFR." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-81563.

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A sodium-cooled fast reactor is a significant candidate for future power reactor systems. Decay heat removal is an essential function of reactor safety systems The decay heat removal system should have the capacity to remove the decay heat with natural circulation in any accident. There are three types of decay heat removal systems, namely direct reactor auxiliary cooling system, primary reactor auxiliary cooling system, and intermediate reactor auxiliary cooling system. The one dimensional systems analysis code THACS was applied to conduct transient analyses of a sodium-cooled fast reactor, a
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Wu, Xiaoli, Yapei Zhang, Wenxi Tian, Guanghui Su, and Suizheng Qiu. "Analysis of a Loss of Heat Removal Accident in a PWR Spent Fuel Pool." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30515.

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The Fukushima Daiichi nuclear accident shows that it is necessary to study potential severe accidents and corresponding mitigation measures for the spent fuel pool (SFP) of a nuclear power plant (NPP). This paper presents a study on the consequences of loss of heat removal accident in the spent fuel pool of a typical pressurized water reactor using the Modular Accident Analysis Program (MAAP5) code. Analysis of uncompensated loss of water due to the loss of heat removal with initial pool water level of 12.2 m (designated as a reference case) has been performed. The analyses cover a broad spect
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Cong, Wang, Jue Wang, Hu Chen, Liao Yi, and Chen Lei. "Research on the Passive Residual Heat Removal System of Floating Nuclear Plants." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-82219.

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For electric energy generation, the design organizations of China have developed variants of floating nuclear plants. Depending on the customer requirement one or more power plants could operating in the same sea area at a time. To achieve a high degree of reactor safety, the passive core cooling subsystems is utilized widely on the floating nuclear plants. This paper conducted a preliminary design of the passive residual heat removal system (PRHRS), which is very important for decay hear removal under the ship blackout accident, used on floating nuclear plants. The limitations due to ocean en
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Zou, Jie, Lili Tong, and Xuewu Cao. "Study of Decay Heat Removal Approach for Advanced Passive PWR During Station Blackout." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-30698.

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After Fukushima accident, decay heat removal in station blackout (SBO) accident is concerned for different NPP design. Advanced passive PWR relies on passive systems to cool reactor core and containment, such as the passive residual heat removal system (PRHR), passive injection system and passive containment cooling system (PCCS). Passive safety systems are considered more reliable than traditional active safety system under accident condition. However, in long-term SBO situation, possible failure of passive safety systems is noticed as active valves are needed in system actuation. Moreover, p
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Lu, Xiaodong, Chuanxin Peng, Yan Zhang, et al. "Experimental Research on Characteristics of Passive Residual Heat Removal System for Small Modular Reactors Under the Station Blackout Accident." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60527.

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An experimental research on performance characteristics of passive residual heat removal system (PRHRS) for the small modular reactor designed by Nuclear Power Institute of China (NPIC) under the station blackout accident was performed in the CREAS facility, which consists of the primary system, the secondary system, the passive safety injection system, the passive residual heat removal system, the overpressure protection system and the auxiliary system. The experimental results show that, after the station blackout accident, a stable two-phase natural circulation between the steam generators
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Yin, Shasha, Liang Gao, Wenxi Tian, Yapei Zhang, Suizheng Qiu, and Guanghui Su. "Loss-of-Flow-Accidents (LOFA) Study for 100 MW IPWR." In 2014 22nd International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icone22-31066.

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The inherent system safety of the 100 MW integral pressurized water reactor (IPWR) can be improved by placing the core, the efficient once-through steam generators and the main coolant pumps in the reactor pressure vessel, and omitting some large pipes and valves in the primary coolant system which can prevent the occurrence of large break loss of coolant accident and reduce the possibility of core melt accident. The application of the passive safety systems simplifies the structures of IPWR and improves the economy of the reactor. In case of accidents, the primary coolant system establishes n
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Sugimoto, Jun. "Important Severe Accident Research Issues After Accident at Fukushima Daiichi Nuclear Power Station." In 2013 21st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/icone21-16796.

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After the accident at Fukushima Daiichi Nuclear Power Station several investigation committees issued reports with lessons learned from the accident in Japan. Among those lessons, some recommendations have been made on severe accident research. Similar to the EURSAFE efforts under EU Program, review of specific severe accident research items was started before Fukushima accident in working group of Atomic Energy Society of Japan (AESJ) in terms of significance of consequences, uncertainties of phenomena and maturity of assessment methodology. Re-investigation has been started after the Fukushi
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Song, Ping, Dalin Zhang, Tangtao Feng, et al. "Development and Basic Verification of Decay Heat Removal Analysis Code of Sodium-Cooled Fast Reactor." In 2018 26th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/icone26-81630.

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As one of the generation IV reactors, pool-type Sodium-cooled Fast Reactors (SFRs) is attracting more and more attention. Loss of flow and heat sink accident is one of the most serious accidents for SFRs. Therefore, the decay heat removal capacity after emergency shutdown is of great importance. This paper has developed a one-dimensional code named Decay heat Removal Analysis Code for Sodium-cooled Fast Reactor (DRAC-SFR) to analyze the decay heat removal capacity. In the code, the decay heat removal system contains the primary loop, the intermediate loop and air circuit. The decay heat is rem
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Reports on the topic "Accident results removal"

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CAPACITY EVALUATION OF EIGHT BOLT EXTENDED ENDPLATE MOMENT CONNECTIONS SUBJECTED TO COLUMN REMOVAL SCENARIO. The Hong Kong Institute of Steel Construction, 2021. http://dx.doi.org/10.18057/ijasc.2021.17.3.6.

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The extended stiffened endplate (8ES) connection is broadly used in the seismic load-resisting parts of steel structures. This connection is prequalified based on the AISC 358 standard, especially for seismic regions. To study this connection’s behaviors, in the event of accidental loss of a column, the finite element model results were verified against the available experimental data. A parametric study using the finite element method was then carried out to investigate these numerical models’ maximum capacity and effective parameters' effect on their maximum capacity in a column loss scenari
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