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EMISSIVITY

 

EMISSIVITY [ - ] returns the hemispherical emissivity of a specified incompressible substance.  The first argument must be the name of an incompressible substance.  The second argument must be temperature provided in the units EES is configured to operate in

 

Example:

 

$UnitSystem SI C kPa mass

epsilon=Emissivity(Copper_Polished, T=25 [C])

 

{Solution:

epsilon=0.02454 

}