Critical Heat Flux in Convection Formulas

Critical 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_c. Critical Heat Flux is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Critical Heat Flux is always negative.

Formulas to find Critical Heat Flux in Convection

fxCritical heat flux to nucleate pool boilingGo

Convection formulas that make use of Critical Heat Flux

fxEnthalpy of evaporation given critical heat fluxGo

List of variables in Convection formulas

fx Change in Enthalpy of Vaporization Go

fx Density of Vapour Go

fx Surface Tension Go

fx Density of Liquid Go

FAQ

What is the Critical Heat Flux?

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

Can the Critical Heat Flux be negative?

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

What unit is used to measure Critical Heat Flux?

Critical 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 Critical Heat Flux can be measured.

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