多能法模型中阻塞区的划分

DIVISION OF OBSTRUCTED REGION IN MULTI-ENERGY METHOD

多能法是模拟计算约束空间蒸气云爆炸参数的典型方法,而在多能法应用步骤中,划分合理的阻塞区是影响多能法计算结果的重要环节。首先对多能法的应用步骤进行了总结,其次着重对阻塞区划分的理论方法进行了阐述,最后结合2个工程案例,对确定阻塞区的具体步骤进行了详细的说明,可对采用多能法进行蒸气云爆炸模拟提供技术参考。

Multi-energy method is a typical method for simulating and calculating the parameters of vapor cloud explosion in a constrained space.While in the application steps of multi-energy method,the reasonable division of obstructed region is an important part affecting the calculation results.The application steps of multi-energy method were summarized firstly in this paper,and then the theoretical method of obstructed region division was expounded emphatically.Combined with two engineering cases,the specific steps of determining the obstructed region were explained in detail.This provides technical reference for the simulation of vapor cloud explosion by multi-energy method.