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SRDAAR-QNPP:a computer code system for the real-time dose assessment of an accident release for Qinshan Nuclear Power Plant 认领 引用 被引量：5
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作者 Hu Erbang Wang Han 《Journal of Environmental Sciences》 SCIE EI CAS 1994年第3期296-309,共14页
The paper presents a computer code system 'SRDAAR- QNPP' for the real-time dose as-sessment of an accident release for Qinshan Nuclear Power Plant. It includes three parts:thereal-time data acquisition system,... The paper presents a computer code system 'SRDAAR- QNPP' for the real-time dose as-sessment of an accident release for Qinshan Nuclear Power Plant. It includes three parts:thereal-time data acquisition system, assessment computer. and the assessment operating code system. InSRDAAR-QNPP, the wind field of the surface and the lower levels are determined hourly by using amass consistent three-dimension diasnosis model with the topographic following coordinate system.A Lagrangin Puff model under changing meteorological condition is adopted for atmosphericdispersion, the correction for dry and wet depositions. physical decay and partial plume penetrationof the top inversion and the deviation of plume axis caused by complex terrain have been taken in-to account. The calculation domain areas include three square grid areas with the sideline 10 km, 40krn and 160 km and a grid interval 0.5 km, 2.0 km, 8.0 km respectively. Three exposure pathwaysare taken into account:the external exposure from immersion cloud and passing puff, the internalexposure from inhalation and the external exposure from contaminated ground. This system is ableto provide the results of concentration and dose distributions within 10 minutes after the data havebeen inputed. 展开更多
关键词 real-time dose assessment computer code system nuclear power plant accident.
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Resin Matrix/Fiber Reinforced Composite Material, Ⅱ: Method of Solution and Computer Code 认领 引用
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作者 李辰砂 Jiao Caishan +3 位作者 Liu Ying Wang Zhengping Wang Hongjie Cao Maosheng 《High Technology Letters》 EI CAS 2003年第3期71-74,共4页
According to a mathematical model which describes the curing process of composites constructed from continuous fiber-reinforced, thermosetting resin matrix prepreg materials, and the consolidation of the composites, t... According to a mathematical model which describes the curing process of composites constructed from continuous fiber-reinforced, thermosetting resin matrix prepreg materials, and the consolidation of the composites, the solution method to the model is made and a computer code is developed, which for flat-plate composites cured by a specified cure cycle, provides the variation of temperature distribution, the cure reaction process in the resin, the resin flow and fibers stress inside the composite, the void variation and the residual stress distribution. 展开更多
关键词 composite laminate cure process computer code solution method
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Development of Beam Optics Code LEADS-v5 认领 引用
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作者 Jianqin Lü 《Journal of Applied Mathematics and Physics》 2022年第4期1266-1280,共15页
To calculate nonlinear transport of space charge dominated beam in 6D phase spaces, a computer code package LEADS-v5 (Linear and Electrostatic Accelerator Dynamics Simulations) has been developed. The codes calculate ... To calculate nonlinear transport of space charge dominated beam in 6D phase spaces, a computer code package LEADS-v5 (Linear and Electrostatic Accelerator Dynamics Simulations) has been developed. The codes calculate particle motions in the beam transport systems consisting of electrostatic and magnetic focusing lenses, ion analyzers, multipoles and RF accelerating structures. The nonlinear forces of external electric/magnetic fields are analyzed by the Lie algebraic method, and the space charge forces are obtained by the particle in cell (PIC) scheme. In the codes, Uniform and Gaussian particle distributions can be chosen to generate randomly the particle initial coordinates. The optimization procedures are provided to make the beam optics designs reasonable and fast. Graphically displays of calculated results are provided. 展开更多
关键词 Beam Transport Nonlinear Trajectories Lie Map PIC Scheme Computer Code
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An Investigation of Stimulating the Autoclave Curing Process of Resin Matrix/Fiber Reinforced Composite Material, Ⅰ: Process model 认领 引用
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作者 王正平 Li Chensha +4 位作者 Jiao Caishan Liu Ying ZHANG Baoyou Wang HongJie Cao Maosheng 《High Technology Letters》 EI CAS 2003年第2期31-36,共6页
A mathematical model is made which describes the curing process of composites constructed from continuous fiber-reinforced, thermosetting resin matrix prepreg materials, and the consolidation of the composite is devel... A mathematical model is made which describes the curing process of composites constructed from continuous fiber-reinforced, thermosetting resin matrix prepreg materials, and the consolidation of the composite is developed. The model provides the variation of temperature distribution, the cure reaction process in the resin, the resin flow and fibers stress inside the composite, and the void variation and the residual stress distribution. It can be used to illustrate the mechanism of curing process and optimize the cure cycle of composite material in order to ensure the quality of a product. 展开更多
关键词 composite laminate cure process computer code solution method
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Numerical simulation for space charge dominated beam transport 认领 引用
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作者 吕建钦 《Chinese Physics B》 SCIE EI CAS 2010年第3期245-250,共6页
To simulate the intense bunched beam transport, a computer program LEADS-3D has been developed. The particle trajectories are analysed with the Lie algebraic method. The third order approximation of the trajectory sol... To simulate the intense bunched beam transport, a computer program LEADS-3D has been developed. The particle trajectories are analysed with the Lie algebraic method. The third order approximation of the trajectory solutions is made with space charge forces off, and the second order approximation is made with space charge forces on. The particle distribution in the 3D ellipsoid is uniform or Gaussian. Most of the conventional beam optical elements are incorporated in the code. The optimization procedures are provided to fit the beam lines to satisfy the given optical conditions. 展开更多
关键词 computer code beam dynamics intense bunched beam nonlinear
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PRELIMINARY PROGRAMMED WHOLE-BODY COUNTER 认领 引用
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作者 张少东 郑文忠 +6 位作者 安永峰 李伟博 申成摇 唐明华 程昕 郭力生 周淑珍 《Nuclear Science and Techniques》 EI CAS 1995年第3期159-163,共5页
It is capable of giving the initial intakes of radionuclides and the assessment quantities used in radiation protection according to its measured results of radionuclides in vivo. It is accomplished by providing the s... It is capable of giving the initial intakes of radionuclides and the assessment quantities used in radiation protection according to its measured results of radionuclides in vivo. It is accomplished by providing the software of controlling, interface and internal dose estimation programs to the original iron cabin shielding whole-body counter. The preliminary application shows that its data processing is rapid and correct, and can meet the requirement of rapid internal radioactive contamination monitoring and diagnosing in case of lots of internal contamination subjects happened innuclear accident. 展开更多
关键词 Whole-body counter Internal contamination monitoring Internal dose Computer code
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代码重用技术在财务管理系统开发中的应用 认领 引用
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作者 严薇薇 刘弦 李小白 《科技广场》 2010年第1期137-138,共2页
本文结合作者在多个财务管理系统开发中积累的经验,讨论了当前财务管理系统开发中代码重用方法,详细分析了利用VC++进行财务软件开发过程中实现代码重用的技术和方法,通过代码重用,提高了财务软件开发的生产率,降低了财务软件开发难度... 本文结合作者在多个财务管理系统开发中积累的经验,讨论了当前财务管理系统开发中代码重用方法,详细分析了利用VC++进行财务软件开发过程中实现代码重用的技术和方法,通过代码重用,提高了财务软件开发的生产率,降低了财务软件开发难度和成本,缩短了开发周期。同时,可重用技术有利于改善财务软件质量,有利于财务软件的升级与维护。 展开更多
关键词 财务管理系统 代码重用 财务电算化
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Study of Accident Progression in Unsealed WWER-1000/V320 Reactor during Maintenance 认领 引用
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作者 Pavlin Groudev Marina Andreeva 《Journal of Power and Energy Engineering》 2016年第8期68-78,共11页
This paper discusses the results obtained during an investigation of WWER-1000 Nuclear Power Plant (NPP) behavior at shutdown reactor during maintenance. For the purpose of the analysis is selected a plant operating s... This paper discusses the results obtained during an investigation of WWER-1000 Nuclear Power Plant (NPP) behavior at shutdown reactor during maintenance. For the purpose of the analysis is selected a plant operating state with unsealed primary circuit by removing the MCP head. The reference nuclear power plant is Unit 6 at Kozloduy NPP (KNPP) site. RELAP5/ MOD3.2 computer code has been used to simulate the transient for WWER-1000/V320 NPP model. A model of WWER-1000 based on Unit 6 of KNPP has been developed for the RELAP5/MOD3.2 code at the Institute for Nuclear Research and Nuclear Energy-Bulgarian Academy of Sciences (INRNE-BAS), Sofia. The plant modifications performed in frame of modernization program have been taken into account for the investigated conditions for the unsealed primary circuit. The most specific in this analysis compared to the analyses of NPP accidents at full power is the unavailability of some important safety systems. For the purpose of the present investigation two scenarios have been studied, involving a different number of safety systems with and without operator actions. The selected initiating event and scenarios are used in support of analytical validation of Emergency Operating Procedures (EOP) at low power and they are based on the suggestions of leading KNPP experts and are important in support of analytical validation of EOP at low power. 展开更多
关键词 Nuclear Power Plant Safety RELAP5/MOD3.2 Computer Code Unsealed WWER Type Reactor Residual Heat Removal System Low Power and Cold Conditions
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Emissivity: A Program for Atomic Transition Calculations 认领 引用
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作者 Taha Sochi 《Communications in Computational Physics》 SCIE 2010年第5期1118-1130,共13页
In this article we report the release of a new program for calculating emissivity and other physical parameters in atomic transition processes.The program,which can be downloaded with its documentation and a sample of... In this article we report the release of a new program for calculating emissivity and other physical parameters in atomic transition processes.The program,which can be downloaded with its documentation and a sample of input and output files from www.scienceware.net/id1.html,passed various rigorous tests and was used alongside R-matrix and Autostructure codes to generate theoretical data and analyze observational data.It is particularly useful for investigating atomic transition lines in astronomical context as the program is capable of generating a huge amount of theoretical data and comparing it to observational line list.A number of atomic transition algorithms and analytical techniques are implemented within the program and can be very useful in various situations.The program can be described as fast and efficient.Moreover,it requires modest computational resources. 展开更多
关键词 Atomic transition recombination autoionization emissivity computer code thermodynamic equilibrium decay routes Saha population
Experience gained in analyzing severe accidents for WWER RP using CC SOCRAT 认领 引用
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作者 S.I.PANTYUSHIN А.V.LITYSHEV +4 位作者 A.V.NIKOLAEVA O.V.AULOVA D.L.GASPAROV V.V.ASTAKHOV M.A.BYKOV 《Frontiers in Energy》 SCIE EI CSCD 2021年第4期872-886,共15页
The current Russian regulatory documents on the safety of nuclear power plant(NPP)specify the requirements regarding design basis accidents(DBAs)and beyond design basis accidents(BDBAs),including severe accidents(SAs)... The current Russian regulatory documents on the safety of nuclear power plant(NPP)specify the requirements regarding design basis accidents(DBAs)and beyond design basis accidents(BDBAs),including severe accidents(SAs)with core meltdown,in NPP design(NP-001-15,NP-082-07,and others).For a rigorous calculational justification of BDBAs and SAs,it is necessary to develop an integral CC that will be in line with the requirements of regulatory documents on verification and certification(RD-03-33-2008,RD-03-34-2000)and will allow for determining the amount of data required to provide information within the scope stipulated by the requirements for the structure of the safety analysis report(SAR)(NP-006-16).The system of codes for realistic analysis of severe accidents(SOCRAT)(formerly,thermohydraulics(RATEG)/coupled physical and chemical processes(SVECHA)/behavior of core materials relocated into the reactor lower plenum(HEFEST))was developed in Russia to analyze a wide range of SAs at NPP with water-cooled water-moderated power-generating reactor(WWER)at all stages of the accident.Enhancements to the code and broadening of its applicability are continually being pursued by the code developers(Nuclear Safety Institute of the Russian Academy of Sciences(IBRAE RAN))with OKB Gidropress JSC and other organizations.Currently,the SOCRAT/В1 code can be used as a base tool to obtain realistic estimates for all parameters important for computational justification of the reactor plant(RP)safety at the in-vessel stage of SAs with fuel melting.To perform analyses using CC SOCRAT/В1,the experience gained during execution of thermohydraulic codes is applied,which allows for minimizing the uncertainties in the results at the early stage of an accident scenario.This study presents the results of the work performed in 2010–2020 in OKB Gidropress JSC using the CC SOCRAT/В1.Approaches have been considered to develop calculational models and analyze SAs using CC SOCRAT.This process,which is clearly structured in OKB Gidropress JSC,provides a noticeable reduction in human involvement,and reduces the probability of erroneous results.This study represents the principal results of the work performed in 2010–2020 in OKB Gidropress JSC using the CC SOCRAT,as well as a list of the tasks planned for 2021–2023.CC SOCRAT/B1 is used as the base thermohydraulic SAs code. 展开更多
关键词 system of codes for realistic analysis of severe accidents(SOCRAT) design basis accidents(DBAs) severe accidents(SAs) computer code(CC) nuclear power plant(NPP)design water-cooled water-moderated(WWER) modeling model safety requirements
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