Abstract
The current report provides an algorithm for parameter calculation of deflagration explosions which quite often accompany emergency situations at power-intensive outdoor installations. The paper compares the results of analytical calculations conducted according to the elaborated analytical model with the data acquired through experimental studies of explosive combustion processes in atmosphere. It analyses the results of calculations carried out according to techniques and algorithms described in other sources and compares them with those received within own analytical model. The paper demonstrates that apart from fireball dimensions and the visible flame propagation rate, the main parameters defining explosive loads should include the location of mixture ignition and the distribution pattern of the explosive material, i.e. concentration distribution within the explosive cloud. The results of math modeling of explosive combustion processes of explosive clouds with various concentration characteristics are also shown. It is demonstrated that different concentration distribution patterns inside the cloud provide various perceptions by accident witnesses which is related to spectrum singularities of time laws of explosive loads emerging from explosive combustion of heterogeneous gas-air clouds.
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