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24 August 2009 Effect of convex curvature on the mean flow characteristics of a three-dimensional wall jet
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Proceedings Volume 7375, ICEM 2008: International Conference on Experimental Mechanics 2008; 73751Y (2009) https://doi.org/10.1117/12.839079
Event: International Conference on Experimental Mechanics 2008 and Seventh Asian Conference on Experimental Mechanics, 2008, Nanjing, China
Abstract
Several studies of jets impinging on a plane surface have already been made. This paper presents the results of effect of convex curvature on the mean flow characteristics of wall jets. Measurements were performed up to an axial distance of 60 times the slot widths of the orifice selected in the present work. The flow properties considered in the present paper are the mean velocity profiles, maximum velocity decay and the growth of half width. Comparisons have been made with the two-dimensional wall jet. It is observed that the longitudinal mean velocity profiles exhibit similarity for the convex wall jet when compare to plane wall jet. All the mean velocity profiles are self-similar at all the longitudinal distances measured in the present study. It is shown that the decay of the maximum velocity is higher for a three-dimensional wall jet on convex surface compare to plane wall jet. It is also found that the growth of half width is higher on curved surface when compared to plane wall jet.
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Karan Sharma and D.V.S. Bhagavanulu "Effect of convex curvature on the mean flow characteristics of a three-dimensional wall jet", Proc. SPIE 7375, ICEM 2008: International Conference on Experimental Mechanics 2008, 73751Y (24 August 2009); https://doi.org/10.1117/12.839079
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