Malfunction data from the thermal-vacuum tests of 39 flight-model spacecraft have been analyzed. These data are compared to the data listed in the 1968 Technical Note, NASA TN D-4908, 'Time Required for an Adequate Thermal-Vacuum Test of Flight Model Spacecraft', by A. R. Timmins. The present analyses include the relationship of malfunctions to time and temperature of the test, malfunction rates, effect of retest data, and the probability of a malfunction in each of four thermal-vacuum environments. Data are presented that relate a thermal-vacuum test profile to the risk involved using that profile. The minimum thermal-vacuum test profile is verified, and no change is recommended for the present thermal-vacuum test profile for flight model spacecraft.


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    Title :

    Analyses of flight model spacecraft performance during thermal-vacuum tests.


    Contributors:

    Conference:

    Annual Technical Meeting on Realism in environmental testing and control ; 1973 ; Anaheim, CA


    Publication date :

    1973-01-01


    Type of media :

    Miscellaneous


    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 | 1973


    Analyses of flight model spacecraft performance during thermal-vacuum tests

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


    Analyses of flight model spacecraft performance during thermal-vacuum tests

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