Emissivity in Viscous Flow Fundamentals 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.

Viscous Flow Fundamentals formulas that make use of Emissivity

fxConvective Heat Transfer to SurfaceGo

fxRadiative Heat Transfer to Surface Stemming from Thermal RadiationGo

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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