RELAP5程序是目前大型的热工水力瞬态分析程序，本文把它作为非能动安全研究的工具。
The RELAP5 code is a great thermal-hydraulic transient analysis code at present, and it is as the tool of studying passive safety in this thesis.
计算结果用于热工水力设计、安全和力学分析。
The results have been applied to the thermo-hydraulic deigning , safety and mechanics analysis.
应用推荐