GRAVITATIONAL SETTLING OF SUSPENDED PARTICLES FROM A FULLY DEVELOPED FLOW IN A CURVED TUBE |
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| Authors: | PHILIP S CARPENTER DALE B TAULBEE |
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| Affiliation: | Department of Engineering Science, Aerospace Engineering and Nuclear Engineering , State University of New York at Buffalo , Buffalo, N.Y, 14214, U.S.A. |
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| Abstract: | The gravitational settling of monodisperse particles from fully developed laminar flow in a horizontal curved tube is considered. The particle size is small compared with the tube radius, and their concentration is small so that they do not interact with each other or affect the flow. It was found that for sufficiently heavy particles, or for tubes with very small curvature, or for very small flow Reynolds numbers, the settling to the tube surface versus axial distance is much the same as that for a straight tube. However, for the opposite size of these parameters, the settling behavior becomes much different than that of a straight tube. Particles are maintained in the flow in helical spiral motions and do not settle to the tube surface. |
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