Segregation of granular particles in suspension flow

Author(s)
Tsay, Jessica, 1983-
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Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Advisor
Anete Hosoi.
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Abstract
An experiment was conducted to investigate the development of longitudinal stripes of granular particles due to instabilities in particle suspension flow. Research was conducted to characterize environmental phenomena related to granular flows, namely avalanches, mudslides, and the movement of glaciers. Results show the stripes were found to appear with a particle concentration of 10% by volume at angles of 20 degrees, at a particle concentration of 20% and 30% by volume at 20, 30, and 40 degrees, and at a particle concentration for 40% by volume at 20 degrees. The application of a shear stress intensified the development of the instabilities, and in experimental trials where stripes were not initially seen, the application of a shear stress was able to induce the fluid to develop the instability.
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2004.
 
Includes bibliographical references (leaf 22).
 
Date issued
2004
URI
http://hdl.handle.net/1721.1/32791
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering.
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