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Type: Journal article
Title: Field measurements of mean velocity characteristics of a large-diameter swirling jet
Author: Lewis, D.
Lambert, M.
Burch, M.
Brookes, J.
Citation: Journal of Hydraulic Engineering, 2010; 136(9):642-650
Publisher: ASCE-Amer Soc Civil Engineers
Issue Date: 2010
ISSN: 0733-9429
Statement of
D. M. Lewis, M. F. Lambert, M. D. Burch, and J. D. Brookes
Abstract: Full-scale field acoustic Doppler velocimeter measurements of the radial, axial, and tangential flow components were undertaken in a large-diameter turbulent swirling jet generated by a raft-mounted axial flow-mixing propeller discharging through a draft tube during isothermal and stratified conditions. The results were compared with classical jet theory and showed significant differences in the zone of flow establishment though similar behavior in the zone where established flow was found. It was concluded that the efflux from the axial flow-mixing propeller could not be described adequately by conventional jet theory due to the jet size and swirling characteristics.
Keywords: Jet diffusion
Buoyant jets
Swirling jets
Field measurements
Rights: ©2010 ASCE
DOI: 10.1061/(ASCE)HY.1943-7900.0000207
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