Full Content is available to subscribers

Subscribe/Learn More  >

A Study on Flow Through an Orifice With Prediction of Cavitation and Hydraulic Flip

[+] Author Affiliations
Masoud Darbandi

University of Sharif, Tehran, Iran

Hamed Sadeghi

University of AmirKabir, Tehran, Iran

Paper No. FEDSM2009-78448, pp. 381-386; 6 pages
  • ASME 2009 Fluids Engineering Division Summer Meeting
  • Volume 2: Fora
  • Vail, Colorado, USA, August 2–6, 2009
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 978-0-7918-4373-4 | eISBN: 978-0-7918-3855-6
  • Copyright © 2009 by ASME


The phenomena of cavitation are very important in a variety of industrial processes and engineering applications. Therefore, the simulation of cavitating flows in high-pressure devices has become a very challenging topic in the fields of computational fluid dynamics. This paper reports recent developments and application studies on computational fluid dynamic (CFD) for cavitating flows inside a circular orifice. A new cavitation model named as full cavitation model is employed for simulations. In this model, the working fluid is assumed to be a mixture of three phases (liquid, vapor and non-condensable gas). In all simulations, finite volume scheme is used, and SIMPLEC algorithm is utilized for the pressure and velocity linkage. Upwind scheme is used to model convective fluxes and other transport equations. Turbulence effects are considered using the k-ε model. Measurements are performed at various inlet pressures and a fixed outlet pressure. The results are compared with the published experimental data and have an acceptable accuracy. It is observed that increasing inlet pressure has considerable influence on the inception of cavitation and development of cavitation. The inception of cavitation is observed at inlet pressure of 225000 Pa and cavitation zone grows near the wall with increasing of inlet pressure. The simulation shows that if the pressure is high enough, the cavitation cloud grows and reaches the nozzle outlet, resulting in a so-called hydraulic flip.

Copyright © 2009 by ASME



Interactive Graphics


Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In