Helium at a free stream temperature of T = 25°C is in parallel flow over a flat plate of length L = 3 m and temperature T, = 85°C. However, obstacles placed in the flow intensify mixing with increasing distance x from the leading edge, and the spatial variation of temperatures measured in the boundary layer is correlated by an expression of the form T(°C) = 25 + 60 exp (-550xy) where x and y are in meters. Determine the local convection coefficient, in W/m².K, at x = L. Evaluate the average convection coefficient n, in W/m².K, for the plate. h = h = i i W/m².K W/m².K
Helium at a free stream temperature of T = 25°C is in parallel flow over a flat plate of length L = 3 m and temperature T, = 85°C. However, obstacles placed in the flow intensify mixing with increasing distance x from the leading edge, and the spatial variation of temperatures measured in the boundary layer is correlated by an expression of the form T(°C) = 25 + 60 exp (-550xy) where x and y are in meters. Determine the local convection coefficient, in W/m².K, at x = L. Evaluate the average convection coefficient n, in W/m².K, for the plate. h = h = i i W/m².K W/m².K
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Transcribed Image Text:Helium at a free stream temperature of T = 25°C is in parallel flow over a flat plate of length L = 3 m and temperature T, = 85°C.
However, obstacles placed in the flow intensify mixing with increasing distance x from the leading edge, and the spatial variation of
temperatures measured in the boundary layer is correlated by an expression of the form T(°C) = 25+ 60 exp (-550xy) where x
and y are in meters. Determine the local convection coefficient, in W/m².K, at x = L. Evaluate the average convection coefficient , in
W/m².K, for the plate.
h =
h =
i
i
W/m².K
W/m².K
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