Find the percentage of reduction in heat transfer if the heater is completely covered by radiation shield (8= 0.05) and diameter 40 mm if a long cylindrical heater 30 in diameter is maintained at 700°C and has surface emissivity of 0.8. The heater is located in a large room whose wall is 35°C. Find the radiant heat transfer.
Find the percentage of reduction in heat transfer if the heater is completely covered by radiation shield (8= 0.05) and diameter 40 mm if a long cylindrical heater 30 in diameter is maintained at 700°C and has surface emissivity of 0.8. The heater is located in a large room whose wall is 35°C. Find the radiant heat transfer.
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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![Find the percentage of reduction in heat transfer if the heater is completely
covered by radiation shield (8= 0.05) and diameter 40 mm if a long
cylindrical heater 30 in diameter is maintained at 700°C and has surface
emissivity of 0.8. The heater is located in a large room whose wall is 35°C.
Find the radiant heat transfer.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F204378c8-5225-45fa-b9dd-8683df608b91%2F6f3cfd94-521f-4bb7-96af-2883200051d0%2Frw3gkna_processed.png&w=3840&q=75)
Transcribed Image Text:Find the percentage of reduction in heat transfer if the heater is completely
covered by radiation shield (8= 0.05) and diameter 40 mm if a long
cylindrical heater 30 in diameter is maintained at 700°C and has surface
emissivity of 0.8. The heater is located in a large room whose wall is 35°C.
Find the radiant heat transfer.
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