Experimental Investigations of the Effect of Reynolds Number on a Plane Jet

Deo, R. C., Mi, J. and Nathan, G. J. (2007). Experimental Investigations of the Effect of Reynolds Number on a Plane Jet. In: Peter Jacobs, Tim McIntyre, Matthew Cleary, David Buttsworth, David Mee, Rose Clements, Richard Morgan and Charles Lemckert, 16th Australasian Fluid Mechanics Conference (AFMC). 16th Australasian Fluid Mechanics Conference (AFMC), Gold Coast, Queensland, Australia, (262-265). 3-7 December, 2007.

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Author Deo, R. C.
Mi, J.
Nathan, G. J.
Title of paper Experimental Investigations of the Effect of Reynolds Number on a Plane Jet
Conference name 16th Australasian Fluid Mechanics Conference (AFMC)
Conference location Gold Coast, Queensland, Australia
Conference dates 3-7 December, 2007
Proceedings title 16th Australasian Fluid Mechanics Conference (AFMC)
Journal name Proceedings of the 16th Australasian Fluid Mechanics Conference, 16AFMC
Place of Publication Brisbane, Australia
Publisher School of Engineering, The University of Queensland
Publication Year 2007
Year available 2007
Sub-type Fully published paper
Open Access Status File (Author Post-print)
ISBN 978-1-864998-94-8
Editor Peter Jacobs
Tim McIntyre
Matthew Cleary
David Buttsworth
David Mee
Rose Clements
Richard Morgan
Charles Lemckert
Start page 262
End page 265
Total pages 4
Collection year 2007
Language eng
Abstract/Summary The effect of Reynolds number, Re =Uo,cH /μ , where Uo,c is the nozzle exit centreline velocity, H is the slot-opening width and n is the kinematic viscosity of air) on the velocity field of a turbulent plane jet from a radially contoured nozzle of aspect ratio 60 is investigated. Measurements are conducted using a single wire anemometer over an axial distance of 160h. The Reynolds number is varied between 1,500 and 16,500. Results show that the Re affects various flow properties such as the velocity decay rate, half-width and turbulence intensity. The significant dependence on Re of the mean flow field persists till Re = 16,500, while the Re effect on the turbulent properties becomes weaker above Re = 10,000. The present investigation also suggests that an increase in Re leads to a higher rate of mixing in the near field but a lower rate in the far field.
Subjects 290501 Mechanical Engineering
291000 Geomatic Engineering
Q-Index Code E1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Conference Paper
Collection: 16th Australasian Fluid Mechanics Conference
 
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Created: Tue, 18 Dec 2007, 16:08:06 EST by Laura McTaggart on behalf of School of Engineering