The CO Concentrations Research Based on the Gaussian Plume Diffusion Model of the High-rise Building Fire Smoke

For the sake of measuring the safety distance of high-rise buildings fires in theory, based on Bei-pei building fire, using fire dynamic software-FDS to build the high-rise building fire epidermis model, combining with the Gaussian model which is widespread applied in environmental monitoring, do normal distribution hypothesis on the high temperature flue gas in fire, and exports hypothesis function. Then count the CO concentrations in a high plane x axis after the fire turns into the stable stage. By means of statics analysis software-SPSS, according to export function, do a fitting analysis to get the distribution function about the concentration of CO. From the correlation inspection, get the goodness of fit which was 0.996, this meets the normal distribution hypothesis. The experimental results provide the basis to research further flue gas diffusion mode function by using normal distribution hypothesis.