Drag and Lift on Spheres within Cylindrical Tubes

by Donald F. Young, Assoc. Prof.; Dept. of Theoretical and Applied Mechanics, Iowa State Univ. of Science and Tech., Ames, Iowa.,

Serial Information: Journal of the Hydraulics Division, 1960, Vol. 86, Issue 6, Pg. 47-57

Document Type: Journal Paper


Method for evaluating lift and drag forces that are exerted by moving fluid on spherical particle resting on bottom of cylindrical tube; experimental data presented show variation in lift and drag force with particle to pipe-diameter ratio and Reynolds number; it is concluded that for spheres near wall of tube lift force with magnitude comparable to that of drag force exists.

Subject Headings: Drag (fluid dynamics) | Spheres | Particles | Pipes | Reynolds number | Walls

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