Verpuffung
Verpuffung is a German term that describes a rapid combustion process, often characterized by a sudden release of gas and a visible flame. It is distinct from a detonation, which involves a supersonic shock wave, and a deflagration, which is a slower burning process. Verpuffung typically occurs when a combustible gas or dust is mixed with air in specific concentrations within a confined space. The ignition of this mixture leads to a rapid expansion of gases, creating a pressure wave.
The phenomenon is often observed in industrial settings where flammable materials like dusts from coal, flour,
Preventative measures include good housekeeping to minimize dust accumulation, proper ventilation to prevent the buildup of