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Mesh-generation parameters influence on centrifugal compressor simulation for design optimisation

Dufour, Guillaume and Carbonneau, Xavier and Arbez, Pierre and Cazalbou, Jean-Bernard and Chassaing, Patrick Mesh-generation parameters influence on centrifugal compressor simulation for design optimisation. (2004) In: 2004 ASME Heat Transfer/Fluids Engineering Summer Conference (HT-FED2004), 11-15 July 2004, Charlotte, United States .

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Abstract

As advocated by Denton [AGARD LS-195, (1994)], three-dimensional CFD calculations are more and more used in the process of designing centrifugal compressors. Therefore, numerical accuracy is an issue if valuable design decisions are to be based on CFD results. This paper aims at correlating mesh-parameters and calculated flow quantities. The design-of-experiment method (DOE) is used to identify which mesh-parameters influence any given flow quantity. The emphasis is put on global performances (mass-flow rate, pressure-ratio and efficiency), and on local features (friction coefficients and local velocity-profiles). The outcome of the study is the connection between mesh-parameters and specific flowproperties. This can be further used to derive numerical benchmarks, such as reported by Dufour et al. [XXI ICTAM conference, Poland (2004)] for the tip-clearance flow.

Item Type:Conference or Workshop Item (Paper)
Additional Information:HT-FED2004-56314
Audience (conference):International conference proceedings
Uncontrolled Keywords:
Institution: Université de Toulouse > Institut Supérieur de l'Aéronautique et de l'Espace - ISAE
Université de Toulouse > Institut National Polytechnique de Toulouse - INPT
Other partners > Liebherr Aérospace Toulouse (FRANCE)
Université de Toulouse > Université Paul Sabatier-Toulouse III - UPS
French research institutions > Centre National de la Recherche Scientifique - CNRS
Laboratory name:
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Deposited By:J.-B. Cazalbou

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