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Surface-to-surface radiation

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Hello,
have an issue with equation comprehension in "surface-to-surface radiation"
There is an equation looks like Stephan-Bolzman
eb(T)=n^2*σ*T^4
Could you please what does the "n" mean?
Thank you

1 Reply Last Post 2015年10月15日 GMT-4 10:11
Sergei Yushanov Certified Consultant

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Posted: 9 years ago 2015年10月15日 GMT-4 10:11
Anastasiia,

“n” is refractive index of the transparent media, and “n^2” is dielectric constant, or relative permittivity.

Regards,
Sergei
Anastasiia, “n” is refractive index of the transparent media, and “n^2” is dielectric constant, or relative permittivity. Regards, Sergei

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