Chemical Engineering - Chemical Engineering Basics - Discussion
Discussion Forum : Chemical Engineering Basics - Section 21 (Q.No. 47)
47.
Absorptivity of a grey body varies with the
Discussion:
1 comments Page 1 of 1.
Pawan Kumar Sharma said:
2 years ago
Absorptivity may be a function of wavelength and/or direction and is related to the emissivity of the region by Kirchhoff's law.
The absorptivity is identically equal to unity for black bodies and is independent of temperature and wavelength for grey bodies.
The absorptivity is identically equal to unity for black bodies and is independent of temperature and wavelength for grey bodies.
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