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Assuming Air at 20°C blows over hot plates 50 by 75 cm maintained at 250 °C, (h = 25 W/m². C), and that 300 W is lost from the plate surface by radiation. That the plate is made of carbon steel (1%) 2 cm thick (k=43 W/m.°C), temperature inside plates is 254°C. How much heat is transferred through the plate?

Assuming Air at 20°C blows over hot plates 50 by 75 cm maintained at 250 °C, (h = 25 W/m². C), and that 300 W is lost from the plate surface by radiation. That the plate is made of carbon steel (1%) 2 cm thick (k=43 W/m.°C), temperature inside plates is 254°C. How much heat is transferred through the plate?

Elements Of Electromagnetics
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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Assuming Air at 20°C blows over hot plates 50 by 75 cm maintained at 250 °C, (h = 25 W/m². C), and that 300 W is lost from the plate surface by radiation. That the plate is made of carbon steel (1%) 2 cm thick (k=43 W/m.°C), temperature inside plates is 254°C. How much heat is transferred through the plate?
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