Liquids partially freeze when dumped from spacecraft producing particles which are released into free space at various velocities. Recontact of these particles with the spacecraft is possible for specific particle sizes and velocities and, therefore, can become contamination for experiments within the spacecraft or released experiments as a result of waste and potable water dumped from Space Shuttle. An examination of dump characteristics was conducted on STS-29 using both on-board video records and ground based measurements. A preliminary analysis of data from this flight indicates particle velocities are in the range of 30 to 75 ft/sec and recontact is possible for limited particle sizes.


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    Title :

    Contamination of spacecraft by recontact of dumped liquids


    Contributors:


    Publication date :

    1990-03-01


    Type of media :

    Conference paper


    Type of material :

    No indication


    Language :

    English




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