Emissive Power of Black Body in Heat and Mass Transfer Formulas

Emissive Power of Black Body or emittance is the total amount of thermal energy emitted per unit area per unit time for all possible wavelengths. And is denoted by E_b. Emissive Power of Black Body is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Emissive Power of Black Body is always negative.

Formulas to find Emissive Power of Black Body in Heat and Mass Transfer

fxEmissive power of diffusely emitted black body radiation given radiation intensityGo

Heat and Mass Transfer formulas that make use of Emissive Power of Black Body

fxRadiation intensity given emissive power for diffusely emitting black bodyGo

fxRadiation energy emitted by black body in time interval given emissive powerGo

List of variables in Heat and Mass Transfer formulas

fx Radiation Intensity of Black Body Go

FAQ

What is the Emissive Power of Black Body?

Emissive Power of Black Body or emittance is the total amount of thermal energy emitted per unit area per unit time for all possible wavelengths. Emissive Power of Black Body is usually measured using the Watt per Square Meter for Heat Flux Density. Note that the value of Emissive Power of Black Body is always negative.

Can the Emissive Power of Black Body be negative?

Yes, the Emissive Power of Black Body, measured in Heat Flux Density can be negative.

What unit is used to measure Emissive Power of Black Body?

Emissive Power of Black Body 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 Emissive Power of Black Body can be measured.

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