Mi, Jianchun and Deo, Ravinesh C. and Nathan, Graham J. (2005) Characterization of turbulent jets from high-aspect-ratio rectangular nozzles. Physics of Fluids, 17 (6). pp. 1-4. ISSN 1070-6631
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Official URL: http://link.aip.org/link/PHFLE6/v17/i6/p068102/s1
Identification Number or DOI: doi: 10.1063/1.1928667
Abstract
Turbulent free jets issuing from rectangular slots with various high aspect ratios s15–120d are characterized. The centerline mean and rms velocities are measured using hot-wire anemometry over a downstream distance of up to 160 slot heights at a slot-height-based Reynolds number of 10 000. Experimental results suggest that a rectangular jet with sufficiently high aspect ratios (>= 15) may be distinguished between three flow zones: an initial quasi-plane-jet zone, a transition zone, and a final quasi-axisymmetric-jet zone. In the quasi-plane-jet zone, the turbulent velocity field is statistically similar, but not identical, to those of a plane jet.
| Item Type: | Article (Commonwealth Reporting Category C) |
|---|---|
| Additional Information: | Awaiting Author version, which may be deposited in accordance with the copyright policy of the publisher. |
| Uncontrolled Keywords: | plane jet; nozzle aspect ratio; jet mixing; Reynolds number |
| Fields of Research (FOR2008): | 09 Engineering > 0915 Interdisciplinary Engineering > 091508 Turbulent Flows 09 Engineering > 0913 Mechanical Engineering > 091399 Mechanical Engineering not elsewhere classified 09 Engineering > 0915 Interdisciplinary Engineering > 091504 Fluidisation and Fluid Mechanics |
| Subjects: | UNSPECIFIED |
| Socio-Economic Objective (SEO2008): | E Expanding Knowledge > 97 Expanding Knowledge > 970109 Expanding Knowledge in Engineering |
| ID Code: | 7414 |
| Deposited By: | |
| Deposited On: | 15 Apr 2010 11:49 |
| Last Modified: | 21 Feb 2012 15:55 |
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