Heat Flux in Convection Formulas

Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "Q". And is denoted by Q. Heat Flux is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Heat Flux is always negative.

Formulas to find Heat Flux in Convection

fxHeat flux to nucleate pool boilingGo

fxConvective Processes Heat Transfer CoefficientGo

Convection formulas that make use of Heat Flux

fxEnthalpy of evaporation to nucleate pool boilingGo

List of variables in Convection formulas

fx Dynamic Viscosity of Fluid Go

fx Change in Enthalpy of Vaporization Go

fx Density of Liquid Go

fx Density of Vapour Go

fx Surface Tension Go

fx Specific Heat of Liquid Go

fx Excess Temperature Go

fx Constant in Nucleate Boiling Go

fx Prandtl Number Go

fx Heat Transfer Coefficient Go

fx Surface Temperature Go

fx Recovery Temperature Go

FAQ

What is the Heat Flux?

Heat Flux is the heat transfer rate per unit area normal to the direction of heat flow. It is denoted by the letter "Q". Heat Flux is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Heat Flux is always negative.

Can the Heat Flux be negative?

Yes, the Heat Flux, measured in Heat Flux Density can be negative.

What unit is used to measure Heat Flux?

Heat Flux is usually measured using the Watt per Square Meter[W/m²] for Heat Flux Density. Kilowatt per Square Meter[W/m²], Watt per Square Centimeter[W/m²], Watt per Square Inch[W/m²] are the few other units in which Heat Flux can be measured.

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