Two large parallel plates are at temperatures T1 = 500 K, and T2 = 300 K. Their emissivities are ε1 = 0.85 and ε2 = 0.90. (a) What is the radiant flux between the plates? (b) If a polished aluminum sheet (ε = 0.10) is placed between the plates as a radiation shield, how much is the reduction in radiant heat transfer?

Two large parallel plates are at temperatures T1 = 500 K, and T2 = 300 K. Their emissivities are ε1 = 0.85 and ε2 = 0.90. (a) What is the radiant flux between the plates? (b) If a polished aluminum sheet (ε = 0.10) is placed between the plates as a radiation shield, how much is the reduction in radiant heat transfer?

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.

Chapter1: Basic Modes Of Heat Transfer

Section: Chapter Questions

Problem 1.24P: Two large parallel plates with surface conditions approximating those of a blackbody are maintained...

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