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Hypervelocity flow over spheres

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Fluid- and Gasdynamics

Part of the book series: Acta Mechanica ((ACTA MECH.SUPP.,volume 4))

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Summary

Some aspects of the principle of binary scaling of hypervelocity flows with chemical reactions are discussed and tested both numerically and experimentally. The experiments, obtained in a new free-piston shock tunnel, show the value and limitations of binary scaling in very good agreement with the numerical computations. The use of spherical models eliminates end-effect problems previously encountered with cylindrical models. Global quantities, such as the bow shock stand-off distance, follow binary scaling very well. The results include differential interferograms and surface heat transfer measurements of nitrogen, air and carbon dioxide flows.

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References

  1. Hornung, H. G.: Performance data of the new free-piston shock tunnel at GALCIT. AIAA 92–3943 Nashville (1992).

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  2. Eitelberg, G.: The high-enthalpy shock tunnel in Göttingen. AIAA 92–3942 (1992).

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  3. Hornung, H. G.: Nonequilibrium dissociating nitrogen flows over spheres and circular cylinders. J. Fluid Mech. 53, 149–176 (1972).

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  4. Rock, S. G., Candler, G. V., Hornung, H. G.: Analysis of thermochemical nonequilibrium models for carbon dioxide flows. AIAA 92–2852 (1992).

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  5. Candler, G. V.: The computation of weakly ionized hypersonic flows in thermo-chemical nonequilibrium. Ph. D. Thesis, Stanford University 1988.

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  6. Macrossan, M. N.: Hypervelocity flow of dissociating nitrogen downstream of a blunt nose. J. Fluid Mech. 217, 167–202 (1990).

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  7. Hornung, H. G.: Nonequilibrium dissociating flow after a curved shock. J. Fluid Mech. 74, 143–160 (1976).

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Author information

Authors and Affiliations

  1. Graduate Aeronautical Labs., California Institute of Technology, Pasadena, CA, 91125, USA

    Professor Dr. H. Hornung & Dr. C. Wen

  2. Dept. of Aerospace Engineering and Mechanics, University of Minnesota, 110 Union St. S. E., Minneapolis, MN, 55455, USA

    Prof. Dr. G. Candler

Authors
  1. Professor Dr. H. Hornung
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  2. Dr. C. Wen
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  3. Prof. Dr. G. Candler
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Editor information

Editors and Affiliations

  1. Institut für Strömungslehre und Strömungsmaschinen, Universität Karlsruhe (TH), Karlsruhe, Federal Republic of Germany

    G. H. Schnerr , R. Bohning  & W. Frank ,  & 

  2. Fachbereich Maschinenbau, Fachhochschule Offenburg, Offenburg, Federal Republic of Germany

    K. Bühler

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© 1994 Springer-Verlag

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Hornung, H., Wen, C., Candler, G. (1994). Hypervelocity flow over spheres. In: Schnerr, G.H., Bohning, R., Frank, W., Bühler, K. (eds) Fluid- and Gasdynamics. Acta Mechanica, vol 4. Springer, Vienna. https://doi.org/10.1007/978-3-7091-9310-5_19

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  • DOI: https://doi.org/10.1007/978-3-7091-9310-5_19

  • Publisher Name: Springer, Vienna

  • Print ISBN: 978-3-211-82495-5

  • Online ISBN: 978-3-7091-9310-5

  • eBook Packages: Springer Book Archive

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