The Study On Characteristics Of Fire Loss

Fire accident is one of the main disasters all over the world.In some following years, with the continuing development of economy,the number of fire accidents will keep increasing in general in China.Meanwhile,the loss resulted from fire accidents will also intend to increase.Presently,the studies on the loss of fire accidents are based on the statistic data of the loss of the past fire accidents,and emphasizes particularly on statistics of and predicting the loss of the fire accidents.However,fewer of studies are set on the loss changing with time during the fire accidents.The thesis puts forward a characteristic concept on the loss of fire accidents changing with time.Based on the rate of the quality loss,the characteristic loss function of burnable solid objects is determined according to the relevant knowledge of heat release rate and burning heat value with the help of dimensional Analysis.And then analyzes the change of the function in consideration of the component value with Analytic Hierarchy Process.And in the same idea,the characteristic loss function of unburnable and incombustible solid objects is determined according to the relevant knowledge of the fire resistance limit.In view of m solid objects within a certain area,based on the theory of heat radiation the influence among solid objects was determined with the help of the equation of Kolmogorov-Chapman.The characteristic area fire loss function was finally determined.In the end,the thesis does research program validates the feasibility of the method,which will be the reference of the same study.