Lift and Drag Lecture 7 ME EN 412 Andrew Ning aning@byu.edu - PDF document

Feb 18, 2023 •265 likes •348 views

Lift and Drag Lecture 7 ME EN 412 Andrew Ning aning@byu.edu Outline Definitions Lift and Drag in Potential Flow Definitions Flat Plate Example Munson 9.5. Assume the following average pressure and shear stress on the surface of the

Lift and Drag Lecture 7 ME EN 412 Andrew Ning aning@byu.edu Outline Definitions Lift and Drag in Potential Flow
Definitions
Flat Plate Example Munson 9.5. Assume the following average pressure and shear stress on the surface of the 1-m-square flat plate. Determine the lift and drag generated. How much does the shear stress contribute to each? Dynamic Pressure: Pressure coefficient:
Lift and Drag coefficient: Moment coefficient: Center of pressure: Aerodynamic center:
Lift and Drag in Potential Flow D’Almbert’s Paradox For potential flow, what is the drag around the cylinder? What about around an arbitrarily airfoil?
Circulation � � V · d� s Γ = C L A B Kutta-Joukowski Theorem L ′ = ρ ∞ � � V × � Γ
Drag in Viscous Fluids Skin Friction Drag and Pressure Drag

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Lift and Drag Lecture 7 ME EN 412 Andrew Ning aning@byu.edu - PDF document

Lift and Drag Lecture 7 ME EN 412 Andrew Ning aning@byu.edu Outline Definitions Lift and Drag in Potential Flow Definitions Flat Plate Example Munson 9.5. Assume the following average pressure and shear stress on the surface of the

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