Expressions for the thrust losses of a scramjet engine are developed in terms of irreversible entropy increases and the degree of incomplete combustion. A method is developed which allows the calculation of the lost vehicle thrust due to different loss mechanisms within a given flow-field. This analysis demonstrates clearly the trade-off between mixing enhancement and resultant increased flow losses in scramjet combustors. An engine effectiveness parameter is defined in terms of thrust loss. Exergy and the thrust-potential method are related and compared.


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    Titel :

    Thrust modeling for hypersonic engines


    Beteiligte:
    Riggins, D. W. (Autor:in) / Mcclinton, C. R. (Autor:in)

    Kongress:

    AIAA, International Aerospace Planes and Hypersonics Technologies Conference


    Erscheinungsdatum :

    1995-01-01


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Thrust modeling for hypersonic engines

    Riggins, D / Clinton, C | AIAA | 1995


    Thrust Losses in Hypersonic Engines Part 1: Methodology

    D. W. Riggins / C. R. McClinton / P. H. Vitt | AIAA | 1997


    Thrust Losses in Hypersonic Engines Part 2: Applications

    Riggins, D.W. | Online Contents | 1997


    Thrust Losses In Hypersonic Engines Part 1: Methodology

    Riggins, D.W. | Online Contents | 1997