Approximate Values of Heat Transfer Coefficient
Approximate Values of Heat Transfer Coefficient
Situation | Values (W/m^2.K) |
|---|---|
Still Gases (Natural Convection) | 5 - 10 |
Still Liquids (Natural Convection) | 50 - 300 |
Flowing Gases (Forced Convection) | 15 - 250 |
Flowing Liquids (Forced Convection) | 100 - 5000 |
Boiling Liquids | 2000 - 50000 |
Condensing Vapors | 2000 - 50000 |
The higher the value of heat transfer the faster will be the heat transfer according to Newton's law of cooling.