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Procedure for Determining 1-D Flow Distributions in Arbitrarily Connected Passages Without the Influence of Pumping

[+] Author Affiliations
Peter L. Meitner

U.S. Army Research Laboratory – NASA Glenn Research Center, Cleveland, OH

Paper No. GT2003-38061, pp. 899-903; 5 pages
  • ASME Turbo Expo 2003, collocated with the 2003 International Joint Power Generation Conference
  • Volume 5: Turbo Expo 2003, Parts A and B
  • Atlanta, Georgia, USA, June 16–19, 2003
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 0-7918-3688-6 | eISBN: 0-7918-3671-1
  • Copyright © 2003 by ASME


A calculation procedure is presented which allows the 1–D determination of flow distributions in arbitrarily connected (branching) flow passages having multiple inlets and exits. The procedure uses an adaptation of the finite element technique, iteratively coupled with an accurate 1–D flow solver. The procedure eliminates the usual restrictions inherent with finite element flow calculations. Unlike existing 1–D methods, which require simplifications to the flow equations (uncoupling the momentum and energy equations), to allow for arbitrary branching and multiple inlets and exits, the only limitation of the described methodology is that, at present, it can only accommodate non-rotating configurations (no pumping effects). The calculation procedure is robust, and will always converge for physically possible flow. The procedure is described, and its use is illustrated by an example.

Copyright © 2003 by ASME
Topics: Flow (Dynamics)



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