The spectral distribution of the radiation emitted by a diffuse surface may be approximated as follows. (a)
Question:
The spectral distribution of the radiation emitted by a diffuse surface may be approximated as follows. 
(a) What is the total emissive power?
(b) What is the total intensity of the radiation emitted in the normal direction and at an angle of 30° from the normal?
(c) Determine the fraction of the emissive power leaving the surface in the directions π/4 < θ < π/2.
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Step by Step Answer:
To answer these questions we need to use the following equations a The total emissive power P is given by the StefanBoltzmann law P T4A where is the S...View the full answer
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Related Book For 
Fundamentals of Heat and Mass Transfer
ISBN: 978-0471457282
6th Edition
Authors: Incropera, Dewitt, Bergman, Lavine
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