Introduction
Fire in Goafs (mines) is considered to be a potential environmental and health risk throughout the globe. Although, plenty of conventional fire extinguishing methods has been proposed in the past, yet they contain side effects. The authors in propose a novel fire management system using expansion form for fighting with fire at the top of goafs. The system contains a jet device for adding foaming agent produced by foam generator. The foam is powered by water pressure and compressed gas that are intrinsically safe for operating in mines. The expansion foam propels itself upwards to extinguish fire at the ...