Emissivity in Heat and Mass 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.

Formulas to find Emissivity in Heat and Mass Transfer

fxEmissivity of Small Body given Emitted Radiation and TemperatureGo

Heat and Mass Transfer formulas that make use of Emissivity

fxTemperature of Small Body given Emissivity and Emitted RadiationGo

fxRadiation emitted by small bodyGo

fxBlack Bodies Heat Exchange by RadiationGo

fxHeat Exchange by Radiation due to Geometric ArrangementGo

fxNon Ideal Body Surface EmittanceGo

List of variables in Heat and Mass Transfer formulas

fx Emitted Radiation Go

fx Temperature Go

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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