Experimental Investigation of the Problem of Surface Roughness PDF Download

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Experimental Investigation of the Problem of Surface Roughness

Experimental Investigation of the Problem of Surface Roughness PDF Author: H. Schlichting
Publisher:
ISBN:
Category : Mathematics
Languages : en
Pages : 604

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Book Description
Based on the universal laws of turbulent velocity distribution at rough and smooth walls, there is in the present work presented a method that allows surface roughness tests and in particular, measurements on the roughness of ship surfaces to be carried out in a much simpler manner. The types of roughness investigated were in the form of flat, rough plates installed in a square-section rectangular channel, the other three walls always being smooth. Twenty-one plates of various roughness were investigated, the roughness elements being the following: spheres of diameter 0.41 and 0.21, respectively, spherical segments, cones, and "short" and "long" angles.