Turbulent flow structure in a cylinder-on-cone cyclone was experimentally investigated. Measurements were conducted at a fixed geometrical swirl number. Experiments were performed at a swirl number of 3 and Reynolds numbers from 37,100 to 74,200, based on the inlet velocity and the cyclone body diameter. The flow field in planes normal to and through the cyclone axis was measured in detail using a two-component laser Doppler velocimetry (LDA) and a particle imaging velocimetry (PIV). Two dominant frequencies of vortical structures were identified based on LDA-measured tangential and axial velocity spectra. Although one of them agreed quite well with those in literature, the other was reported for the first time. One explanation was proposed.
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September 2007
Technical Papers
Turbulent Flow Structure in a Cylinder-on-Cone Cyclone
W. O. Wong,
W. O. Wong
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of China
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X. W. Wang,
X. W. Wang
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of China
Search for other works by this author on:
Y. Zhou
Y. Zhou
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of China
Search for other works by this author on:
W. O. Wong
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of China
X. W. Wang
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of China
Y. Zhou
Department of Mechanical Engineering,
The Hong Kong Polytechnic University
, Hong Kong, People’s Republic of ChinaJ. Fluids Eng. Sep 2007, 129(9): 1179-1185 (7 pages)
Published Online: April 10, 2007
Article history
Received:
May 11, 2006
Revised:
April 10, 2007
Citation
Wong, W. O., Wang, X. W., and Zhou, Y. (April 10, 2007). "Turbulent Flow Structure in a Cylinder-on-Cone Cyclone." ASME. J. Fluids Eng. September 2007; 129(9): 1179–1185. https://doi.org/10.1115/1.2754315
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