Turbulent Swirling Flow in Short Cylindrical Chambers

[+] Author and Article Information
A. Riahi, P. G. Hill

The University of British Columbia, Vancouver, B.C., Canada V6T 1W5

J. Fluids Eng 115(3), 444-451 (Sep 01, 1993) (8 pages) doi:10.1115/1.2910158 History: Received February 16, 1992; Revised February 08, 1993; Online May 23, 2008


Turbulent swirling flow in a short closed cylindrical chamber has been measured with laser Doppler anemometry. The swirl was generated by a rotating roughened disk and measured during steady and transient conditions with a smooth disk. The velocity and turbulence fields were found to be strongly dependent on swirl Reynolds numbers (in the range 0.3 × 106 < ΩR2 /v < 0.6 × 106 ) and on chamber length-to-diameter ratio (in the range 0.1 ≤ L/D ≤ 0.5). With a roughened disk the flow was nearly independent of Reynolds number though still strongly dependent on chamber length-to-diameter ratio.

Copyright © 1993 by The American Society of Mechanical Engineers
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