CAJ | 학술논문

目前国内核电厂普遍采用确定论方法进行防火安全评估。采用CFD模型对核电厂某典型电气间火灾发生过程进行数值模拟研究。模拟火灾行为（火势增长和蔓延）、温度场变化、烟气浓度变化等，分析结果中温度对电缆和电气设备的失效判定、烟气层对电缆和电气设备的风险影响，研究该方法对于核电厂防火安全分析的指导作用。通过分析数值模拟数据，计算结果与二代机型确定论分析方法结果相符，有效验证了CFD火灾模型在核电厂防火安全评估中的适用性，为国内自主建立核电厂火灾数值模拟评价体系提供参考。
목전국내핵전엄보편채용학정론방법진행방화안전평고。채용CFD모형대핵전엄모전형전기간화재발생과정진행수치모의연구。모의화재행위（화세증장화만연）、온도장변화、연기농도변화등，분석결과중온도대전람화전기설비적실효판정、연기층대전람화전기설비적풍험영향，연구해방법대우핵전엄방화안전분석적지도작용。통과분석수치모의수거，계산결과여이대궤형학정론분석방법결과상부，유효험증료CFD화재모형재핵전엄방화안전평고중적괄용성，위국내자주건립핵전엄화재수치모의평개체계제공삼고。
Deterministic method has been widely used in fire protection safety evaluation of nuclear power plant ( NPP). The numerical simulation of a room fire in NPP was conducted by using CFD model. The fire behavior, temperature field and gas concentration were simulated. In the results,the effect of temperature to cable failure and the risk of smoke layer to cable and equipment were analyzed,primary research result showed this method gave great guidance to NPP fire protection safety. The simulation data demonstrated that it was in accordance with the a-nalysis results of deterministic method,the applicability of CFD fire model in NPP safety evaluation was validated, it provides a reference to build fire numerical simulation assessment system for domestic NPPs.