Friction-factor data for flat-plate tests of smooth and honeycomb surfaces
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Friction-factors for honeycomb surfaces are measured with a flat plate tester. The flat plate test apparatus is described and a method is discussed for determining the friction-factor experimentally. The friction-factor model is developed for the flat plate test based on the Fanno Line Flow. The comparisons of the friction-factor are plotted for smooth surface and twelve-honeycomb surfaces with three-clearances, 6.9bar to 17.9bar range of inlet pressure, and 5000 to 130 000 range of the Reynolds number. The optimum geometries for the maximum friction-factor are found as a function of cell width to cell depth and clearance to cell width ratios. (A)
author list (cited authors)
Ha, T. W., & Childs, D. W.