Davy 1815 lamp: flame cannot propagate through gap below ~2 mm for hydrocarbons (Peclet ~50); foundation of flash-arrestors + fire-safety design; quenching-distance scales inversely with laminar-flame-speed.
Davy 1815 lamp: flame cannot propagate through gap below ~2 mm for hydrocarbons (Peclet ~50); foundation of flash-arrestors + fire-safety design; quenching-distance scales inversely with laminar-flame-speed.