Consider a stationary, thin, flat plate with area of 2.00 m^2 for each face oriented perpendicular to a flow. The pressure exerted on the front face of the plate (facing into the flow) is 1.32 atm , and is constant over the face. The pressure exerted on the back face of the plate (facing away from the flow) is 2,088.6 lb/ft^2 and is constant over the face. Calculate the aerodynamic force in kilo-newtons on the plate.

Principles of Heat Transfer (Activate Learning with these NEW titles from Engineering!)
8th Edition
ISBN:9781305387102
Author:Kreith, Frank; Manglik, Raj M.
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Chapter5: Analysis Of Convection Heat Transfer
Section: Chapter Questions
Problem 5.20P
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Fp
p dA
Usurface
Wake
Fig. 9.9 Flow over a flat plate normal to the flow
Drag coefficients are usually obtained empirically
Consider a stationary, thin, flat plate with area of 2.00 m^2 for each face oriented
perpendicular to a flow. The pressure exerted on the front face of the plate (facing
into the flow) is 1.32 atm, and is constant over the face. The pressure exerted on the
back face of the plate (facing away from the flow) is 2,088.6 lb/ft^2 and is constant
over the face. Calculate the aerodynamic force in kilo-newtons on the plate.
Transcribed Image Text:Fp p dA Usurface Wake Fig. 9.9 Flow over a flat plate normal to the flow Drag coefficients are usually obtained empirically Consider a stationary, thin, flat plate with area of 2.00 m^2 for each face oriented perpendicular to a flow. The pressure exerted on the front face of the plate (facing into the flow) is 1.32 atm, and is constant over the face. The pressure exerted on the back face of the plate (facing away from the flow) is 2,088.6 lb/ft^2 and is constant over the face. Calculate the aerodynamic force in kilo-newtons on the plate.
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