Full Content is available to subscribers

Subscribe/Learn More  >

CFD-Calculation of the Flashing Flow in Pipes and Nozzles

[+] Author Affiliations
S. Maksic, D. Mewes

University of Hannover, Hannover, Germany

Paper No. FEDSM2002-31033, pp. 511-516; 6 pages
  • ASME 2002 Joint U.S.-European Fluids Engineering Division Conference
  • Volume 1: Fora, Parts A and B
  • Montreal, Quebec, Canada, July 14–18, 2002
  • Conference Sponsors: Fluids Engineering Division
  • ISBN: 0-7918-3615-0 | eISBN: 0-7918-3600-2
  • Copyright © 2002 by ASME


Within the framework of the nuclear reactor safety analysis of pressurised water reactor the flashing flow in pipes and nozzles is examined using a CFD numerical calculation. For the calculation of transient flashing flow a three dimensional CFD model is developed with the aim to predict the propagation of the pressure waves in the two phase flow through the three dimensional geometry. As the most important factor for the modelling of flashing flow, the thermal non-equilibrium between the phases is taken into account. The generation and the propagation of the vapor phase are modelled by conservation equations for the bubble number density according to the model of Jones [1] and mass conservation equations for the vapour phase. The turbulence of the flow is described with the k-ε model. The influence of the dispersed vapor phase on the turbulence is neglected. The system of equations is implemented into the commercial CFD-code CFX4.2. The solution of the system of equations is done numerically with the method of finite volumes. For the verification of the model, calculations of the flow through a converging-diverging nozzle are carried out and the results are compared with experimental ones [2].

Copyright © 2002 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