典型文献
A novel approach for radionuclide diffusion in the enclosed environment of a marine nuclear reactor during a severe accident
文献摘要：
A severe accident in a marine nuclear reactor leads to radionuclide leakage,which causes hidden dangers to workers and has adverse effects of environmental pol-lution.It is necessary to propose a novel approach to radionuclide diffusion in a confined environment after a severe accident in a marine nuclear reactor.Therefore,this study proposes a new method for the severe accident analysis program MELCOR coupled with computational fluid dynamics scSTREAM to study radioactive diffusion in severe accidents.The radionuclide release fraction and temperature calculated by MELCOR were combined with the scSTREAM calculations to study the radionuclide diffusion behavior and the phenomenon of radionuclide diffusion in different space environments of the reactor under the conditions of varying wind velocities of the ventilation system and diffusion speed.The results show that the wind velocity of the ventilation system is very small or zero,and the turbulent diffusion of radionuclides is not obvious and diffuses slowly in the form of conden-sation sedimentation and gravity settlement.When the wind speed of the ventilation system increases,the flow of radionuclides meets the wall and forms eddy currents,affecting the time variation of radionuclides diffusing into chamber 2.The wind velocity of the ventilation system and the diffusion speed has opposite effects on the time vari-ation trend of radionuclide diffusion into the four chambers.
文献关键词：
中图分类号：
作者姓名：
Fang Zhao;Shu-Liang Zou;Shou-Long Xu;Xuan Wang;Jun-Long Wang;De-Wen Tang
作者机构：
School of Resource Environment and Safety Engineering,University of South China,Hengyang 421001,China;Hunan Provincial Key Laboratory of Emergency Safety Technology and Equipment for Nuclear Facilities,Hengyang 421001,China;Shanghai Nuclear Engineering Research and Design Institute Co.LTD,Shanghai 200000,China;Science and Technology On Reactor System Design Technology Laboratory,Nuclear Power Institute of China,Chengdu 610213,China
文献出处：
引用格式：
[1]Fang Zhao;Shu-Liang Zou;Shou-Long Xu;Xuan Wang;Jun-Long Wang;De-Wen Tang-.A novel approach for radionuclide diffusion in the enclosed environment of a marine nuclear reactor during a severe accident)[J].核技术（英文版）,2022(02):53-65
A类：
MELCOR,scSTREAM,conden
B类：
novel,approach,diffusion,enclosed,marine,nuclear,reactor,during,severe,leads,leakage,which,causes,hidden,dangers,workers,has,adverse,effects,environmental,pol,lution,It,necessary,confined,after,Therefore,this,study,proposes,new,method,analysis,program,coupled,computational,fluid,dynamics,radioactive,accidents,release,fraction,temperature,calculated,by,were,combined,calculations,behavior,phenomenon,different,space,environments,under,conditions,varying,wind,velocities,ventilation,system,speed,results,show,that,velocity,very,small,zero,turbulent,radionuclides,not,obvious,diffuses,slowly,sation,sedimentation,gravity,settlement,When,increases,flow,meets,wall,forms,eddy,currents,affecting,variation,diffusing,into,opposite,trend,four,chambers
AB值：
0.47314
相似文献
机标中图分类号，由域田数据科技根据网络公开资料自动分析生成，仅供学习研究参考。
