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Under steady-state conditions, air at a temperature of 20.0°C, pressure of 1.00 atm, and a velocity of 18.5 m/sec flows over the top surface of a flat-plate heater that is kept at a temperature of 135.0°C. The heater is a circular disk with a diameter of 0.50 meters. The air flowing over the top surface of the disk creates a drag force of 0.25 Newtons.   Using the modified Reynolds analogy, calculate the heat transfer rate from the top surface of the plate heater.

Under steady-state conditions, air at a temperature of 20.0°C, pressure of 1.00 atm, and a velocity of 18.5 m/sec flows over the top surface of a flat-plate heater that is kept at a temperature of 135.0°C. The heater is a circular disk with a diameter of 0.50 meters. The air flowing over the top surface of the disk creates a drag force of 0.25 Newtons.   Using the modified Reynolds analogy, calculate the heat transfer rate from the top surface of the plate heater.

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
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Under steady-state conditions, air at a temperature of 20.0°C, pressure of 1.00 atm, and a velocity of 18.5 m/sec flows over the top surface of a flat-plate heater that is kept at a temperature of 135.0°C. The heater is a circular disk with a diameter of 0.50 meters. The air flowing over the top surface of the disk creates a drag force of 0.25 Newtons.
 
Using the modified Reynolds analogy, calculate the heat transfer rate from the top surface of the plate heater.
 
 
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