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Permanent link (DOI): https://doi.org/10.7939/R3T42F

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Counterflowing jets: scaling factors and mean concentration fields Open Access

Descriptions

Other title
Subject/Keyword
Calibration
Concentration
PLIF
Jet
Counterflowing
Yaw-angle
Fluorescence
Scales
Scalar
Laser
Type of item
Thesis
Degree grantor
University of Alberta
Author or creator
Torres Garcia, Luis A.
Supervisor and department
Fleck, Brian A. (Mechanical Engineering)
Wilson, David J. (Mechanical Engineering)
Examining committee member and department
Flynn, Morris R. (Mechanical Engineering)
Steffler, Peter M. (Civil Engineering)
Wilson, David J. (Mechanical Engineering)
Fleck, Brian A. (Mechanical Engineering)
Department
Department of Mechanical Engineering
Specialization

Date accepted
2009-06-10T20:42:40Z
Graduation date
2009-11
Degree
Master of Science
Degree level
Master's
Abstract
An experimental investigation of the mean scalar concentration field of jets into a uniform counterflow stream using planar laser induced fluorescence is presented. The centerline decay and radial spreading of the mean concentration field of the jet were investigated. Jet to counterflow velocity ratios ranging between 4 to 19 were used for two different jet diameters. Universal forms for the centerline concentration decay, and radial concentration profiles of the jet are presented. Scaling factors of the centerline concentration decay are introduced. The jet growth rate was found to be divided into two regions: the linear growth region and the power law growth region. The effects of inlet yaw angles on the penetration length, axial concentration decay and similarity region of the counterflowing jet are presented. A minimal effect of the tested inlet yaw angles on the concentration field was observed. Empirical expressions to predict the centerline concentration decay are given.
Language
English
DOI
doi:10.7939/R3T42F
Rights
License granted by Luis Torres (ltorres@ualberta.ca) on 2009-06-10T15:59:08Z (GMT): Permission is hereby granted to the University of Alberta Libraries to reproduce single copies of this thesis and to lend or sell such copies for private, scholarly or scientific research purposes only. Where the thesis is converted to, or otherwise made available in digital form, the University of Alberta will advise potential users of the thesis of the above terms. The author reserves all other publication and other rights in association with the copyright in the thesis, and except as herein provided, neither the thesis nor any substantial portion thereof may be printed or otherwise reproduced in any material form whatsoever without the author's prior written permission.
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