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Prediction of Turbomachinery Flow Physics from CFD - Review of Recent Computations of APPACET Test Cases

Gregory-Smith, D.G.; Crossland, S.C.

Authors

D.G. Gregory-Smith

S.C. Crossland



Abstract

In order to maintain a competitive edge, the turbomachinery industry has to rely increasingly on design and analysis methods based on numerical simulation of flow. The European funded APPACET was set up to study the application of turbulence modelling and the simulation of unsteady interactions to provide guidelines for the application of CFD to design. This paper shows the results of computations of four of the test cases studied by the project. The importance of grid refinement has been clearly demonstrated, but no evidence was found that one family of turbulence models could be definitely better than the other. Compared to steady results, unsteady time-averaged solutions have not shown any major improvement in accuracy. However unsteady flow phenomena generating losses within each blade row have been captured and partly explained.

Citation

Gregory-Smith, D., & Crossland, S. (2001). Prediction of Turbomachinery Flow Physics from CFD - Review of Recent Computations of APPACET Test Cases. T.A.S.K. Quarterly, 5(4), 407-432

Journal Article Type Article
Publication Date 2001-04
Deposit Date Jan 23, 2007
Journal T.A.S.K. quarterly : scientific bulletin of Academic Computer Centre in Gdańsk TASK.
Print ISSN 1428-6394
Publisher CI TASK
Peer Reviewed Peer Reviewed
Volume 5
Issue 4
Pages 407-432
Publisher URL http://www.task.gda.pl/quart/01-4.html#smith

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