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Experimental Study on the Jet Flow Issued From an Asymmetrical 2D Nozzle

[+] Author Affiliations
Taisuke Murayama, Katsuya Hirata, Jiro Funaki

Doshisha University, Kyoto, Japan

Paper No. IHTC14-22581, pp. 547-553; 7 pages
doi:10.1115/IHTC14-22581
From:
  • 2010 14th International Heat Transfer Conference
  • 2010 14th International Heat Transfer Conference, Volume 5
  • Washington, DC, USA, August 8–13, 2010
  • Conference Sponsors: Heat Transfer Division
  • ISBN: 978-0-7918-4940-8 | eISBN: 978-0-7918-3879-2
  • Copyright © 2010 by ASME

abstract

This research concerns the jet from an asymmetrical two-dimensional nozzle, especially about the influence of the lip length of the nozzle. The authors conduct experiments at a Reynolds number Re of 6000. The aspect ratio of the nozzle exit is fixed to 300. And, the lip length is 0, 2.0h, 3.3h and 5.0h, where h denotes the height of the nozzle exit. Using a hot-wire-anemometer, the authors show mean-velocity profiles at various downstream sections, in order to reveal fundamental characteristics of the jet in both the near and far downstreams. Furthermore, in the near downstream, the authors visualise the flow by smoke so as to get quantitative information using a PIV technique, and perform the dominant-frequency measurements.

Copyright © 2010 by ASME
Topics: Jets , Nozzles

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