Acceleration data taken from the Orbital Acceleration Research Experiment (OARE) during reentry on STS-62 has been analyzed using calibration factors taken on-orbit. The data includes the flight regime from orbital altitudes down to about 100 km which covers the free-molecule-flow regime and some of the flow-transition into the hypersonic continuum. Ancillary data on orbiter position, orientation, velocity, and rotation rates have been used in models to transform the measured accelerations to the orbiter center-of-gravity, from which aerodynamic accelerations along the orbiter body axes have been calculated. Additional steps are discussed which remove residual offsets introduced in the measurements by unmodeled orbiter forces. The resulting aerodynamic accelerations and their ratios, A(sub z)/A(sub x), are discussed and compared with free-molecule-flow predictions of the aerodynamic coefficient ratios C(sub N)/C(sub A).


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    Title :

    Orbiter rarefied-flow reentry measurements from the OARE on STS-62


    Contributors:

    Publication date :

    1995-06-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English




    Orbiter Rarefied-Flow Reentry Measurements from the Oare on STS-62

    R. C. Blanchard / J. Y. Nicholson | NTIS | 1995


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    Blanchard, Robert C. / Nicholson, John Y. | NTRS | 1995


    Summary of OARE Flight Calibration Measurements

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