You've experienced convection cooling if you've ever extended your hand out the window of a moving vehicle or into a flowing water stream. With the surface of your hand at a temperature of 30°C, consider the two following conditions. Condition A: a vehicle speed of 35 km/h in air at -9°C with a convection coefficient of 40 W/m2-K. Condition B: a velocity of 0.2 m/s in a water stream at 10°C with a convection coefficient of 900 W/m2-K. What is the convection heat flux for the following? Condition A: i W/m? Condition B: qwater i W/m2 %3D
You've experienced convection cooling if you've ever extended your hand out the window of a moving vehicle or into a flowing water stream. With the surface of your hand at a temperature of 30°C, consider the two following conditions. Condition A: a vehicle speed of 35 km/h in air at -9°C with a convection coefficient of 40 W/m2-K. Condition B: a velocity of 0.2 m/s in a water stream at 10°C with a convection coefficient of 900 W/m2-K. What is the convection heat flux for the following? Condition A: i W/m? Condition B: qwater i W/m2 %3D
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 5.40P
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