Convective heat transfer in rotating, circular channels

Author(s)
Hogan, Brenna Elizabeth
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Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Advisor
Cullen R. Buie.
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Abstract
Nusselt number values for flow in a rotating reference frame are obtained through computational fluid dynamic (CFD) analysis for Rossby numbers Ro ~1-4 and Reynolds numbers Re ~1,000-2,000. The heat-transfer model is first validated according to Nusselt number correlations for laminar, developing flow in circular tubes and by friction factor correlations for fully developed flow in circular tubes rotating at constant angular velocity about an orthogonal axis. The data show heat-transfer enhancement for increasing rotational speeds, as predicted through secondary flows caused by Coriolis forces. Moreover, the heat-transfer enhancement is found to be greater than the resulting increase in friction losses due to secondary flows.
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2012.
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (p. 33).
 
Date issued
2012
URI
http://hdl.handle.net/1721.1/74441
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering.
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