A: Air at 20 °C with convection heat transfer coefficient is 25 W/m². °C, blows over a hot (w=50 cm, L-75 cm, t-2 cm thick, k-43 W/m. °C), if 300 W is lost from the plate surface by radiation. Calculate the inside plate temperature if the outside plate temperature is maintained at 250 °C.

A: Air at 20 °C with convection heat transfer coefficient is 25 W/m². °C, blows over a hot (w=50 cm, L-75 cm, t-2 cm thick, k-43 W/m. °C), if 300 W is lost from the plate surface by radiation. Calculate the inside plate temperature if the outside plate temperature is maintained at 250 °C.

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.

Chapter5: Analysis Of Convection Heat Transfer

Section: Chapter Questions

Problem 5.15P

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Question

A: Air at 20 °C with convection heat transfer coefficient is 25 W/m². °C, blows over a hot plate
(w 50 cm, L-75 cm, t- 2 cm thick, k-43 W/m. °C), if 300 W is lost from the plate surface by
radiation. Calculate the inside plate temperature if the outside plate temperature is maintained at
250 °C.

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