事故停 meaning in Chinese

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3 ) . the flow velocity and temperature change rapidly in hot plenum under the transient condition such as in the case of reactor scram condition . thermal stratification phenomena will be observed nearby the inlet of intermediate heat exchanger
在事故停堆后的瞬态分析中，热钠池的流场和温场变化剧烈，并在中间热交换器的入口附近形成稳定的热分层。
Three mathematical models are presented to express the characteristics based on the systematical analysis of mechanical , hydraulic and fluid dynamic characteristics during three transient process , and numerical calculation methods are carried out to the three mathematical models . with the rigid water hummer theory and hydraulic characteristics , this paper has improved the boundary condition equation at pump during the suspending period , and drew a simplified mathematical model
针对大型低扬程泵站过渡过程的具体特点，利用刚性水锤理论，对事故停泵时泵处的边界条件方程进行改进，并结合泵装置水力特性，得出大型低扬程泵站停泵过渡过程简易计算方法的数学模型；针对具体数学模型编制程序进行计算求解。