Two parallel gray planes have emissivities of 0.8 and 0.7 and are maintained at 800°C and 1500°C. What is the net radiant energy exchange? What would be the reduction in heat transfer if a radiation shield of polished aluminium (e = 0.04) is placed between them?

Two parallel gray planes have emissivities of 0.8 and 0.7 and are maintained at 800°C and 1500°C. What is the net radiant energy exchange? What would be the reduction in heat transfer if a radiation shield of polished aluminium (e = 0.04) is placed between them?

Physical Chemistry

2nd Edition

ISBN:9781133958437

Author:Ball, David W. (david Warren), BAER, Tomas

Publisher:Ball, David W. (david Warren), BAER, Tomas

Chapter14: Rotational And Vibrational Spectroscopy

Section: Chapter Questions

Problem 14.85E

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