Emissivity in Hypersonic Flow 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 Hypersonic Flow

fxEmissivityGo

fxEmissivity given Reference TemperatureGo

Hypersonic Flow formulas that make use of Emissivity

fxReference ViscosityGo

fxFreestream DensityGo

fxFreestream VelocityGo

fxNose Radius of Coordinate SystemGo

fxReference Temperature given EmissivityGo

fxFreestream Density given Reference TemperatureGo

fxNose Radius of Coordinate System given Reference TemperatureGo

fxReference Viscosity Given Reference TemperatureGo

List of variables in Hypersonic Flow formulas

fx Dynamic Viscosity Go

fx Freestream Density Go

fx Freestream Velocity Go

fx Radius of Nose Go

fx Reference 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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