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The heat transfer rate per unit width (normal to the page) from a longitudinal section, x2 x1, can be expressed as q 12



= h
ˉ
12

(x 2

−x 1

)(T s

−T [infinity]

), where h
ˉ
12

is the average coefficient for the section of length (x 2

−x 1

). Consider laminar flow over a flat plate with a uniform temperature, T s

. The spatial variation of the local convection coefficient is of the form h x

= Cx −1/2
, where C is a constant. Beginning with the convection rate equation in the form dq ′
=h x

dx(T s

−T [infinity]

), derive an expression for h
ˉ
12

in terms of C,x 1

,x 2

.

User Gnucki
by
8.1k points

1 Answer

6 votes

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User Tanriol
by
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