Q5) For laminar free convection from a heated vertical surface, the local convection coeffi may be expressed as h, = Czx-1/4, where h, is the coefficient at a distance x from the lea edge of the surface and the quantity C, which depends on the fluid properties, is indeper of x. Obtain an expression for the ratio h/hy, where x is the average coefficient betwee Jonding odgo (r O) ond the x loeetion S kotoh the veriotion of h ond b with

Elements Of Electromagnetics
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ISBN:9780190698614
Author:Sadiku, Matthew N. O.
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Q5)
For laminar free convection from a heated vertical surface, the local convection coefficient
may be expressed as hy = Cxx-1/4, where h, is the coefficient at a distance x from the leading
%3D
edge of the surface and the quantity C, which depends on the fluid properties, is independent
of x. Obtain an expression for the ratio hx/hx, where x is the average coefficient between the
leading edge (x = 0) and the x-location. Sketch the variation of h, and h, with x.
Transcribed Image Text:Q5) For laminar free convection from a heated vertical surface, the local convection coefficient may be expressed as hy = Cxx-1/4, where h, is the coefficient at a distance x from the leading %3D edge of the surface and the quantity C, which depends on the fluid properties, is independent of x. Obtain an expression for the ratio hx/hx, where x is the average coefficient between the leading edge (x = 0) and the x-location. Sketch the variation of h, and h, with x.
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