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Grid-Refinement Study of Hypersonic Laminar Flow Over a 2-D Ramp

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Hypersonic Flows for Reentry Problems

Abstract

Computations were made for those test cases of Problem 3 which were designated as laminar flows, viz., test cases 3.1, 3.2, 3.4, and 3.5. These test cases corresponded to flows over a flat plate and a compression ramp at high Mach number (M ∞ = 5 and 10) and at high Reynolds number (Re L = 1.5 x 106 and 2.25 x 106, based on the distance from the leading edge to the start of the compression ramp). The computations over the compression ramps indicate a substantial streamwise extent of separation. Based on previous experience with separated laminar flows at high Mach numbers (Ref. 1) which indicated a substantial effect with spatial grid refinement, a series of computations with different grid sizes were performed. Also, for the flat plate, comparisons of the results for two different algorithms were made.

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References

  1. Rudy, D. H., Thomas, J. L., Kumar, A., Gnoffo, P. A. and Chakravarthy, S. R., “A Validation Study of Four Navier-Stokes Codes for High-Speed Flows,” AIAA Paper 89 - 1838 (1989).

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  3. Kumar, A., “Numerical Simulation of Scramjet Inlet Flow Fields,” NASA TP-2517 (1986).

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Author information

Authors and Affiliations

  1. Langley Research Center, NASA, USA

    James L. Thomas, David H. Rudy & Ajay Kumar

  2. University of Michigan, USA

    Bram van Leer

Authors
  1. James L. Thomas
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  2. David H. Rudy
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  3. Ajay Kumar
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  4. Bram van Leer
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Editor information

Editors and Affiliations

  1. Centre de Sophia Antipolis, INRIA, 2004 Route des Lucioles, F-06561, Valbonne Cedex, France

    Jean-Antoine Désidéri

  2. Department of Mathematics, University of Houston, Texas, 4800 Calhoun Road, University Park, 77004, Houston, TX, USA

    Roland Glowinski

  3. Aerodynamics Department, Dassault Aviation, 78 Quai Marcel Dassault, F-92214, Saint Cloud, France

    Jacques Périaux

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© 1991 Springer-Verlag Berlin Heidelberg

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Thomas, J.L., Rudy, D.H., Kumar, A., van Leer, B. (1991). Grid-Refinement Study of Hypersonic Laminar Flow Over a 2-D Ramp. In: Désidéri, JA., Glowinski, R., Périaux, J. (eds) Hypersonic Flows for Reentry Problems. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-76527-8_21

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  • DOI: https://doi.org/10.1007/978-3-642-76527-8_21

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-76529-2

  • Online ISBN: 978-3-642-76527-8

  • eBook Packages: Springer Book Archive

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