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Experimental Study of High Reynolds Number (Re

Experimental Study of High Reynolds Number (Re PDF Author: M. Olomen
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ISBN:
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Languages : en
Pages : 168

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Book Description
Experimental data obtained in a two-dimensional turbulent boundary layer (TBL) flow and a three-dimensional (3D) pressure-driven TBL flow around a wing/body junction are presented. Reynolds number effects are investigated. Fine spatial resolution laser-Doppler velocimeter measurements of mean velocity and higher order statistics including the third order products measured for 9 stations are reported. Reynolds number based on momentum thickness (Re sub theta) of the developing 2-D boundary layer on the wall was Re sub theta = 232OO, and the approach nominal reference velocity of the undisturbed air flow was 32 m/sec. The wing shape used had a 3:2 elliptical nose, NACA 0020 profiled tail and it was mounted on a flat wall. Distribution of measured static pressure variation on the wall, turbulent kinetic energy and some derived quantities such as the flow angle, flow gradient angle, shear stress angle, and modeling parameters are also discussed.