Abstract
This paper describes the results of an experimental study on the flow around two-dimensional sharp-edged plates attached to a plane wall at different inclinations to the flow. Experimental data were collected to investigate the effects of (1) inclination of the plate to the flow, (2) the charactristics of the smooth wall boundary layer in which they are immersed, on the pressure forces of the inclined plates. Further, the flow patterns around the inclined plate are examined in some detail. For flows with zero-pressure gradient, correlations are obtained between the variation of pressure forces and inclined plate height h, which is analogous in form to the law of the wall of a boundary layer velocity profile. This law of the wall is applicable up to h/δ = 1.21.5 in the range of inclination angles between 30°and 150° tested in this investigation. A method of calculating the pressure distributions on the front surface of the inclined plate is proposed based upon a flow model that can be analysed by a hodograph technique. The method, however, involves four parameters which must be determined on the basis of experimental informations.
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