Twin thruster tests have been conducted with the Penn State RBCC test article operating at sea- level static conditions. Significant differences were observed in the performance characteristics for two different thruster centerline spacings. Changing the thruster spacing from 2.50 to 1.75 in. reduced the entrained air velocity (-17%) and the thrust (-7%) for tests at a thruster chamber pressure of 200 psia and MR = 8. In addition, significant differences were seen in the static pressure profiles, the Raman spectroscopy profiles, and the acoustic power spectrum for these two configurations.


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    Title :

    Sea-Level Static Testing of the Penn State Two-Dimensional Rocket-Based Combined Cycle (RBCC) Testbed


    Contributors:
    Cramer, J. M. (author) / Marshall, W. M. (author) / Pal, S. (author) / Santoro, R. J. (author)

    Conference:

    PERC 14th Annual Symposium on Propulsion ; 2002 ; University Park, PA, United States


    Publication date :

    2003-01-01


    Type of media :

    Preprint


    Type of material :

    No indication


    Language :

    English




    Options for Flight Testing Rocket-Based Combined-Cycle (RBCC) Engines

    Olds, J. / American Institute of Aeronautics and Astronautics / Society of Automotive Engineers et al. | British Library Conference Proceedings | 1996