Excess Temperature in Convection Formulas

Excess Temperature is defined as the temperature difference between heat source and saturation temperature of the fluid. And is denoted by ΔT. Excess Temperature is usually measured using the Kelvin for Temperature Difference. Note that the value of Excess Temperature is always negative.

Convection formulas that make use of Excess Temperature

fxHeat flux to nucleate pool boilingGo

fxEnthalpy of evaporation to nucleate pool boilingGo

fxMaximum heat flux to nucleate pool boilingGo

fxHeat transfer coefficient by convection for stable film boilingGo

FAQ

What is the Excess Temperature?

Excess Temperature is defined as the temperature difference between heat source and saturation temperature of the fluid. Excess Temperature is usually measured using the Kelvin for Temperature Difference. Note that the value of Excess Temperature is always negative.

Can the Excess Temperature be negative?

Yes, the Excess Temperature, measured in Temperature Difference can be negative.

What unit is used to measure Excess Temperature?

Excess Temperature is usually measured using the Kelvin[K] for Temperature Difference. Degree Celsius[K], Degree Centigrade[K], Degree Fahrenheit[K] are the few other units in which Excess Temperature can be measured.

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