7.17 Air at a pressure of 1 atm and a temperature of 50°C is in parallel flow over the top surface of a flat plate that is heated to a uniform temperature of 100°C. The plate has a length of 0.20 m (in the flow direction) and a width of 0.10 m. The Reynolds number based on the plate length is 40,000. What is the rate of heat transfer from the plate to the air? If the free stream velocity of the air is doubled and the pressure is increased to 10 atm, what is the rate of heat transfer?

7.17 Air at a pressure of 1 atm and a temperature of 50°C is in parallel flow over the top surface of a flat plate that is heated to a uniform temperature of 100°C. The plate has a length of 0.20 m (in the flow direction) and a width of 0.10 m. The Reynolds number based on the plate length is 40,000. What is the rate of heat transfer from the plate to the air? If the free stream velocity of the air is doubled and the pressure is increased to 10 atm, what is the rate of 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

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Question

7.17 Air at a pressure of 1 atm and a temperature of 50°C is
in parallel flow over the top surface of a flat plate that
is heated to a uniform temperature of 100°C. The plate
has a length of 0.20 m (in the flow direction) and a
width of 0.10 m. The Reynolds number based on the
plate length is 40,000. What is the rate of heat transfer
from the plate to the air? If the free stream velocity of
the air is doubled and the pressure is increased to
10 atm, what is the rate of heat transfer?

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