Deo, Ravinesh C. and Mi, Jianchun and Nathan, Graham J. (2005) Dependence of a plane turbulent jet on its nozzle contraction profile. In: Jets, Wakes and Separated Flows: International Conference on Jets, Wakes and Separated Flows (ICJWSF), 5-8 Oct 2005, Mie, Japan.
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Abstract
The present study investigates experimentally the effect of the nozzle contraction profile on the downstream development of a plane turbulent jet. The variation of the contraction profile was made by using various orifice plates with different radii. It is found that the decay and spread rates of the jet’s mean velocity increase as the radius decreases. A decrease in the radius also results in a higher formation rate of the primary vortices. Moreover, the turbulence intensity is found to depend on the contraction profile.
| Item Type: | Conference or Workshop Item (Commonwealth Reporting Category E) (Paper) |
|---|---|
| Additional Information: | No evidence of copyright restrictions. Paper no: P-058 |
| Uncontrolled Keywords: | plane turbulent jet; vortices |
| Fields of Research (FOR2008): | 09 Engineering > 0915 Interdisciplinary Engineering > 091508 Turbulent Flows 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: | 7401 |
| Deposited By: | |
| Deposited On: | 14 Apr 2010 21:23 |
| Last Modified: | 21 Feb 2012 15:47 |
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