METHOD OF HEATING LIQUID AND GASEOUS MEDIA AND BURNER DEVICE FOR REALIZATION OF THIS METHOD Russian patent published in 1999 - IPC

FIELD: heating liquids and gases in heat-exchange members in burning gaseous fuel in domestic and industrial boilers and furnaces. SUBSTANCE: method provides for spontaneous vorticity in combustion products at laminar flow of combustion mixture downward on to lower surface of flat heat exchanger through tube-burner fitted inside heat exchanger at Reynolds number of from 30 to 50. EFFECT: increased coefficient of heat transfer from combustion products to heat exchange member; enhanced efficiency. 3 cl, 1 dwg