Analytical tools together with a good data base are necessary to predict the transport of plume contaminants and their effects on spacecraft surfaces. The present paper describes an assessment of bipropellant thrusters, the production and transport of plume contaminants from these thrusters, and the use of the JPL contamination analysis program to assess the effects of plume contamination on the Galileo spacecraft. It is shown that, in the case of the Galileo mission, contamination from the liquid engines has been effectively reduced to nothing by the use of predictive tools. Plume shields together with precise scan platform stowage have been designed to protect the optical instruments.


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    Title :

    Effect of bipropellant plume exhaust effluents on spaceborne optical instruments


    Contributors:

    Conference:

    Seminar on Optics in adverse environments ; 1980 ; Los Angeles, CA


    Publication date :

    1980-01-01


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English




    Effect Of Bipropellant Plume Exhaust Effluents On Spaceborne Optical Instruments

    Maag, Carl R. / Jeffery, James A. / Millard, Jerry M. | SPIE | 1980



    Bipropellant rocket exhaust plume analysis on the Galileo spacecraft

    Guernsey, C. S. / Mcgregor, R. D. | NTRS | 1986