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EMISSIVITY_TotHemi

EMISSIVITY_TotHemi [ - ] returns the hemispherical emissivity of a specified substance from the Total Hemispherical Emissivity data in the Heat Transfer library. as shown below.  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

E=Emissivity_TotHemi('Copper_Polished',25 [C])

{Solution:

epsilon=0.02454 

}