Variable sheet:
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St Input Name Output Unit Comment
200 lambda nm wavelength of light (nm, , m, cm)
freq 1.499E15 Hz frequency (Hz)
E 9.933E-19 Joule energy (Joule, erg, eV, kcal/mole)
v 50000 cm-1 wavenumber (cm-1)
5000 T K Temperature (K, C)
.06 epsilon emisivity
Blambda .00126999 W/sr/nm/c Spectral radiance (W/sr/nm/cm2)
B 67.67625 W/sr/cm2 Total radiance over all wavelengths
peak 579.4 nm Peak wavelength (nm, , m, cm)
50 d cm distance from source to receptor
2 h mm height of effective source
4 w mm width of effective source
As .08 cm2 Area of effective source
1 Ar cm2 Area of receptor
Er 4.064E-8 W/nm/cm2 Spectral irradiance at receptor
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Rule sheet.
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Er=Blambda*As/(d*d)* lambda = 1/v
* Blambda = epsilon*1.19111E16*nm^-5/(exp(1.438e7/(nm*T))-1)
* E = (6.6261E-34)*freq
* freq = (2.998E10)/lambda
* B=epsilon*1.8047e-12*T^4
* peak=2.897e6/T
* RJ=1e-7*2*2.998E10*1.38e-23*T/lambda^4
* nm=lambda*1e7
* exponent=1.438e7/(nm*T)
* LambdaT=nm*T
* As=h*w
* Er=Blambda*As/(d*d)
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