Notes on boundary layers etc Feb2006

Notes on boundary layers etc Feb2006 - Notes on Boundary...

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1 Notes on Boundary Layers, Integral Approach, etc. o Flat Plate – self-similar governing differential equation: ( )) ( ) ( 2 f f f 0 ,w h e r efx~ x ,y, x ,y. ′′′ ′′ += ψ η = η o Pipe flow - fully developed governing differential equation: ** avg 0 ur u constant, u , r == = Main Steps in analysis of flow problems Select appropriate control volume Show all forces and fluxes on the control volume Apply conservation principles to the control volume What is the significance of flat-plate flows? Simplest form of external flow Approximates flow over objects such as transport vehicles What is the main quantity of interest in flat-plate flows? Wall shear or skin friction, and Drag force Hence, thrust required to be developed by the engine to move the vehicle at the desired speed What is the significance of pipe flows? To transfer fluid Simplest form of internal flow What is the main quantity of interest in pipe flows?
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This note was uploaded on 10/13/2010 for the course MECH 414 taught by Professor Ghia during the Winter '06 term at University of Cincinnati.

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Notes on boundary layers etc Feb2006 - Notes on Boundary...

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