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Numerical Investigations of Model Scramjet Combustors

In: High Performance Computing in Science and Engineering '08

Author

Listed:
  • Markus Kindler

    (Universität Stuttgart, Institut für Verbrennungstechnik der Luft- und Raumfahrt)

  • Thomas Blacha

    (Universität Stuttgart, Institut für Verbrennungstechnik der Luft- und Raumfahrt)

  • Markus Lempke

    (Universität Stuttgart, Institut für Verbrennungstechnik der Luft- und Raumfahrt)

  • Peter Gerlinger

    (Universität Stuttgart, Institut für Verbrennungstechnik der Luft- und Raumfahrt)

  • Manfred Aigner

    (Universität Stuttgart, Institut für Verbrennungstechnik der Luft- und Raumfahrt)

Abstract

Summary In the present paper different types of scramjet (supersonic combustion ramjet) combustors are investigated. Thereby the main difference between the combustors is the way of injecting the fuel into the combustion chamber. The first investigated concept of fuel injection is the injection by strut injectors. Here the injection of fuel is realized by a lobed strut that is located in the middle of the combustion chamber. The second concept for fuel supply is the wall injection of hydrogen. Here the fuel is injected by several holes in the wall of the combustor. Both concepts of fuel injection have different advantages and disadvantages which are explained in detail. Although different performance parameters for both scramjet combustors are introduced this paper will not compare the different techniques among each other. Because of the high Reynolds numbers in scramjet combustors, the need to resolve the boundary layers and the necessity of detailed chemistry, the simulation of scramjets is extremely CPU time demanding.

Suggested Citation

  • Markus Kindler & Thomas Blacha & Markus Lempke & Peter Gerlinger & Manfred Aigner, 2009. "Numerical Investigations of Model Scramjet Combustors," Springer Books, in: Wolfgang E. Nagel & Dietmar B. Kröner & Michael M. Resch (ed.), High Performance Computing in Science and Engineering '08, pages 153-166, Springer.
    • Handle: RePEc:spr:sprchp:978-3-540-88303-6_12
    DOI: 10.1007/978-3-540-88303-6_12
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