2. In a particular application involving airflow over a heated surface, the boundary layer temperature distribution may be approximated as T-Ts Top - Ts U∞oy. - = 1 − exp (−Pro v where y is the distance normal to the surface and the Prandtl number, Сри Pr = 0.7 k is a dimensionless fluid property. If T∞= 400 K, Ts= 300 K, and ux/v = 5000 m²¹, what is the surface heat flux? Answer: -9205W/m²

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
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Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.70P
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2. In a particular application involving airflow over a heated surface, the boundary layer
temperature distribution may be approximated as
T-Ts
Top - Ts
U∞oy.
- = 1 − exp (−Pro
v
where y is the distance normal to the surface and the Prandtl number,
Сри
Pr
= 0.7
k
is a dimensionless fluid property. If T∞= 400 K, Ts= 300 K, and ux/v = 5000 m²¹, what is
the surface heat flux?
Answer: -9205W/m²
Transcribed Image Text:2. In a particular application involving airflow over a heated surface, the boundary layer temperature distribution may be approximated as T-Ts Top - Ts U∞oy. - = 1 − exp (−Pro v where y is the distance normal to the surface and the Prandtl number, Сри Pr = 0.7 k is a dimensionless fluid property. If T∞= 400 K, Ts= 300 K, and ux/v = 5000 m²¹, what is the surface heat flux? Answer: -9205W/m²
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