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Problem 2 - - The heat transfer rate per unit width (normal to the page) from a longitudinal section between X2 and X₁ can be expressed as 912 = h₁₂ (x2 − ×₁)(Ts — T∞), where h₁₂ is the average coefficient for the section of length (x2 - x₁). Consider laminar flow over a flat plate with a uniform temperature Ts. The spatial variation of the local convection coefficient is of the from hx = Cx¹/3, where C is a constant. dq' 9'12 dx x1 x2 x1 x2 Beginning with the convection rate equation in the form dq' = hxdx(Ts - T∞), derive an expression for h12 in terms of C, X1, X2.

Problem 2 - - The heat transfer rate per unit width (normal to the page) from a longitudinal section between X2 and X₁ can be expressed as 912 = h₁₂ (x2 − ×₁)(Ts — T∞), where h₁₂ is the average coefficient for the section of length (x2 - x₁). Consider laminar flow over a flat plate with a uniform temperature Ts. The spatial variation of the local convection coefficient is of the from hx = Cx¹/3, where C is a constant. dq' 9'12 dx x1 x2 x1 x2 Beginning with the convection rate equation in the form dq' = hxdx(Ts - T∞), derive an expression for h12 in terms of C, X1, X2.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
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.
Chapter8: Natural Convection
Section: Chapter Questions
Problem 8.36P
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Problem 2 - - The heat transfer rate per unit width (normal to the page) from a longitudinal section between X2 and X₁ can be expressed as 912 = h₁₂ (x2 − ×₁)(Ts — T∞), where h₁₂ is the average coefficient for the section of length (x2 - x₁). Consider laminar flow over a flat plate with a uniform temperature Ts. The spatial variation of the local convection coefficient is of the from hx = Cx¹/3, where C is a constant. dq' 9'12 dx x1 x2 x1 x2 Beginning with the convection rate equation in the form dq' = hxdx(Ts - T∞), derive an expression for h12 in terms of C, X1, X2.
Transcribed Image Text:Problem 2 - - The heat transfer rate per unit width (normal to the page) from a longitudinal section between X2 and X₁ can be expressed as 912 = h₁₂ (x2 − ×₁)(Ts — T∞), where h₁₂ is the average coefficient for the section of length (x2 - x₁). Consider laminar flow over a flat plate with a uniform temperature Ts. The spatial variation of the local convection coefficient is of the from hx = Cx¹/3, where C is a constant. dq' 9'12 dx x1 x2 x1 x2 Beginning with the convection rate equation in the form dq' = hxdx(Ts - T∞), derive an expression for h12 in terms of C, X1, X2.
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