The purpose of this study was to obtain extensive experimental data on the effect of skin-friction drag by suspending solid particles in air. The investigation was divided into two parts: The first study consisted of obtaining extensive experimental data on the pressure gradients (which are proportional to skin friction) encountered in circular pipes when a mixture of air with solid particles suspended in it flows through the pipe. The second part deals with the skin friction as measured on a flat plate placed flush with the floor of a wind tunnel having a dusty sub-layer. These studies involved a large range of Reynolds numbers, particle sizes, and weight-flow ratios. A theory is also presented to try and explain some of the complex flow phenomena encountered in a two-phase flow system.
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Fluid Flow Phenomena in Dusty Air
M. P. Boyce,
M. P. Boyce
School of Mechanical Engineering, Texas A&M University, College Station, Texas
E. F. Blick
School of Aerospace and Mechanical Engineering, University of Oklahoma, Norman, Okla.
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Boyce, M. P., and Blick, E. F. (September 1, 1970). "Fluid Flow Phenomena in Dusty Air." ASME. J. Basic Eng. September 1970; 92(3): 495–502. https://doi.org/10.1115/1.3425045
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