Abstract
The paper demonstrates that gas-dynamic flows generated by explosive combustion bear a decisive influence on the entire course of explosion emergency. The conclusion is borne out by analysis of calculation results, test data and consequences of real-life emergency explosion in residential housing.
Highlights
Emergency explosions indoors occur in the deflagration mode of explosive transformation with specific features [1-6]
Considering that the speed related to expansion of the mix during combustion is much higher than that of normal combustion, one can theorize that gas-dynamic flowsthat accompanya deflagration explosion should mainly determine its further evolution
Influx of explosion products causes a slight increase of pressure; this drives the mix into the corridor and adjacent rooms
Summary
Emergency explosions indoors occur in the deflagration mode of explosive transformation with specific features [1-6]. Considering that the speed related to expansion of the mix during combustion is much higher than that of normal combustion, one can theorize that gas-dynamic flowsthat accompanya deflagration explosion should mainly determine its further evolution. Mathematical description of gas-dynamic flows created indoors by explosive combustion should base on two main principles that greatly simplify the task.
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