An investigation of the influence of nozzle aspect ratio on the velocity field of turbulent plane jet
Paper
Paper/Presentation Title | An investigation of the influence of nozzle aspect ratio on the velocity field of turbulent plane jet |
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Presentation Type | Paper |
Authors | Deo, R. C. (Author), Mi, J. (Author) and Nathan, G. J. (Author) |
Editors | Behnia, M., Lin, W. and McBain, G. D. |
Journal or Proceedings Title | Proceedings of the 15th Australasian Fluid Mechanics Conference (AFMC 2004) |
ERA Conference ID | 42494 |
Number of Pages | 4 |
Year | 2004 |
Place of Publication | Sydney, Australia |
ISBN | 1864876956 |
Web Address (URL) of Paper | http://www.aeromech.usyd.edu.au/15afmc/proceedings/papers/AFMC00062.pdf |
Conference/Event | 15th Australasian Fluid Mechanics Conference (AFMC 2004) |
Australasian Fluid Mechanics Conference | |
Event Details | Australasian Fluid Mechanics Conference Rank A A A A A A A A |
Event Details | 15th Australasian Fluid Mechanics Conference (AFMC 2004) Parent Australasian Fluid Mechanics Conference Delivery In person Event Date 13 to end of 17 Dec 2004 Event Location Sydney, Australia |
Abstract | The effect of nozzle aspect ratio (w/H) (major axis to minor axis ratio) on the velocity field of a turbulent plane jet is investigated using a hot-wire anemometer. The aspect ratios investigated were in the range 10 < w/H < 60. The initial turbulence intensity proles exhibit a lower intensity at higher aspect ratios although this is probably caused by the nozzle whose proles change with aspect ratio. The length of the potential core and the normalized mean and rms velocities are all found to be a function of wH, in both the near and far field. Lower aspect ratio leads to faster decay of the mean velocity. Most investigations on aspect ratio effects have been on rectangular jets, hence this work is unique in its own right. Overall, the dependence of the current plane jet on aspect ratio is quite significant. |
Keywords | plane jet; fluid mixing; initial conditions |
ANZSRC Field of Research 2020 | 401703. Energy generation, conversion and storage (excl. chemical and electrical) |
401213. Turbulent flows | |
401299. Fluid mechanics and thermal engineering not elsewhere classified | |
Public Notes | Copyright is held by the University of Sydney. |
Byline Affiliations | University of Adelaide |
https://research.usq.edu.au/item/9zqw9/an-investigation-of-the-influence-of-nozzle-aspect-ratio-on-the-velocity-field-of-turbulent-plane-jet
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