Malfunction data from the thermal-vacuum tests of 39 flight-model spacecraft were analyzed. The results are interpreted in terms of the test variables, and in terms of the spacecraft performance. The malfunction data are correlated with the test time as a single variable, and also with the composite variable of time plus temperature. The improvement in spacecraft performance is examined by means of malfunction rates, malfunctions per spacecraft, and the probability of no failure related to test time. The minimum thermal-vacuum test profile required for Goddard Space Flight Center spacecraft is verified, and the probability of a defect remaining undetected is estimated.


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    Title :

    Analyses of flight model spacecraft performance during thermal-vacuum tests


    Contributors:

    Publication date :

    1972-11-01


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English


    Keywords :


    Analyses of flight model spacecraft performance during thermal-vacuum tests

    Timmins, A. R. / Heuser, R. E. / Strain, J. C. | NTRS | 1973


    Analyses of Flight Model Spacecraft Performance During Thermal-Vacuum Tests

    A. R. Timmins / R. E. Heuser / J. C. Strain | NTIS | 1972


    Analyses of Flight Model Spacecraft Performance During Thermal-Vacuum Tests

    A. R. Timmins / R. E. Heuser / J. C. Strain | NTIS | 1973



    Analyses of flight model spacecraft performance during thermal-vacuum tests

    Timmins, Albert R. / Heuser, Robert E. / Strain, James C. | TIBKAT | 1973