Q4) Define the boundary layer, then find the thickness of boundary layer, shear stress, drag force and coefficient of drag in terms of Re for the velocity profile of laminar boundary layer u/U-4(y/8)-6(y/8)5. Calculate the boundary layer thickness and drag force if the air flows over a sharp edged flat plate 1m long and 0.5m wide at a velocity 0.9m/s, the air density 1.23 kg/m³ and the kinematic viscosity is 1.46*10.5 m/s².

Elements Of Electromagnetics
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04) Define the boundary layer, then find the thickness of boundary layer, shear stress, drag force and
coefficient of drag in terms of Re for the velocity profile of laminar boundary layer u/U-4(y/8)-6(y/8)5.
Calculate the boundary layer thickness and drag force if the air flows over a sharp edged flat plate 1m long
and 0.5m wide at a velocity 0.9m/s, the air density 1.23 kg/m³ and the kinematic viscosity is 1.46*10.5 m/s².
Transcribed Image Text:04) Define the boundary layer, then find the thickness of boundary layer, shear stress, drag force and coefficient of drag in terms of Re for the velocity profile of laminar boundary layer u/U-4(y/8)-6(y/8)5. Calculate the boundary layer thickness and drag force if the air flows over a sharp edged flat plate 1m long and 0.5m wide at a velocity 0.9m/s, the air density 1.23 kg/m³ and the kinematic viscosity is 1.46*10.5 m/s².
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