Air with a free stream velocity of 25 m/s flows over a 6 m long by...
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Air with a free stream velocity of 25 m/s flows over a 6 m long by 2 m wide flat plate. A mixed boundary layer is formed on the surface of the plate at a transition point Re=500,000. (a) Find the average shear stress coefficient for the plate. (2P) (b) What will be the shearing resistance due to the laminar part and turbulent part of the boundary layer. (3.5P) (c) Determine the maximum boundary layer thickness in laminar part and the boundary layer thickness at the end of the plate. (1.5P) Air, T = 20°C 6m 2m Air with a free stream velocity of 25 m/s flows over a 6 m long by 2 m wide flat plate. A mixed boundary layer is formed on the surface of the plate at a transition point Re=500,000. (a) Find the average shear stress coefficient for the plate. (2P) (b) What will be the shearing resistance due to the laminar part and turbulent part of the boundary layer. (3.5P) (c) Determine the maximum boundary layer thickness in laminar part and the boundary layer thickness at the end of the plate. (1.5P) Air, T = 20°C 6m 2m
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Principles of heat transfer
ISBN: 978-0495667704
7th Edition
Authors: Frank Kreith, Raj M. Manglik, Mark S. Bohn
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