5. The spectral distribution of the radiation emitted by a diffuse surface is ap- proximated in the figure. Find the total emissive power and the total intensity. 1400 1000 1000 600 600 200 200 20 40 60 80 100 120 4 6 8 10 12 (E (unt" zW/M G, (W/m²,µm) 2.

5. The spectral distribution of the radiation emitted by a diffuse surface is ap- proximated in the figure. Find the total emissive power and the total intensity. 1400 1000 1000 600 600 200 200 20 40 60 80 100 120 4 6 8 10 12 (E (unt" zW/M G, (W/m²,µm) 2.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)

8th Edition

ISBN:9781305387102

Author:Kreith, Frank; Manglik, Raj M.

Publisher:Kreith, Frank; Manglik, Raj M.

Chapter11: Heat Transfer By Radiation

Section: Chapter Questions

Problem 11.10P

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Question

THE PROBLEM IS FROM THE BOOK: ENGINEERING THERMOFLUIDS, M. MASSOUD.

5. The spectral distribution of the radiation emitted by a diffuse surface is ap-
proximated in the figure. Find the total emissive power and the total intensity.
1400
1000
1000
600
600
200
200
O 20 40 60 80 100 120
2 (µm)
2
4
8
10 12
2 (µm)
Problem 5
Problem 6
(E „, W/m2 .µm)
(unt u/M) ɔ

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