ES 202 Fluid and Thermal Systems Examples for Lecture 26 2 11 03 Page 1 1 Dimensional analysis of boundary layer thickness Consider a uniform flow U over a flat plate as follow U x a List the relevant physical variables which are pertinent to the determination of boundary layer thickness at a downstream distance x measured from the leading edge b Perform a dimensional analysis on your results in Part a ES 202 Fluid and Thermal Systems Examples for Lecture 26 2 11 03 Page 2 Control volume analysis of flat plate boundary layer Consider a uniform flow U over a flat plate again U y x L Assume the velocity distribution within the boundary layer is given by 1 7 u y U Determine the total drag force on the flat plate of length L and width w into the page 2
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