This paper documents, the development of the National Aeronautics and Space Administration s (NASA) Langley Research Center ( LaRC) Coherent Antistokes Raman Spectroscopy (CARS) systems for measurements of temperature in a turbulent subsonic or supersonic reacting hydrogen-air environment. Spectra data provides temperature data when compared to a precalculated library of nitrogen CARS spectra. Library validity was confirmed by comparing CARS temperatures derived through the library with three different techniques for determination of the temperature in hydrogen-air combustion and an electrically heated furnace. The CARS system has been used to survey temperature profiles in the simulated flow of a supersonic combustion ramjet (scramjet) model. Measurement results will be discussed.


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    Titel :

    CARS Temperature Measurements in Turbulent and Supersonic Facilities


    Beteiligte:
    O. Jarrett (Autor:in) / R. R. Antcliff (Autor:in) / M. W. Smith (Autor:in) / A. D. Cutler (Autor:in) / G. S. Diskin (Autor:in)

    Erscheinungsdatum :

    1991


    Format / Umfang :

    6 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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