Emissivity in Modes of Heat Transfer Formulas

Emissivity is the ability of an object to emit infrared energy. Emissivity can have a value from 0 (shiny mirror) to 1.0 (blackbody). Most organic or oxidized surfaces have emissivity close to 0.95. And is denoted by ε.

Modes of Heat Transfer formulas that make use of Emissivity

fxTotal Emissive Power of Radiating BodyGo

fxRadiation Thermal ResistanceGo

FAQ

What is the Emissivity?

Emissivity is the ability of an object to emit infrared energy. Emissivity can have a value from 0 (shiny mirror) to 1.0 (blackbody). Most organic or oxidized surfaces have emissivity close to 0.95.

Can the Emissivity be negative?

{YesorNo}, the Emissivity, measured in {OutputVariableMeasurementName} {CanorCannot} be negative.

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