Space commercialization: Platforms and processing
American Institute of Aeronautics and Astronautics, Aug 1, 1990 - Science - 388 pages
space commercialization activities are mainly in the areas of telecommunication and Earth observation. The commercial use of space for microgravity processing remains elusive. The reasons for this are the knowledge base for microgravity processing is inadequate and flight opportunities and hardware are too expensive, lengthy, and risky to provide a reasonable return on investment. Furthermore, previous unrealistic predictions of large benefits from space manufacturing of crystals, biomaterials, and other materials have created a negative image of microgravity opportunities, especially in connection with the justification of manned space flights and the construction of a large space infrastructure. This volume reports on the progress in Space Commercialization activities.
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A Transportation and Service Platform
Advent of Commercial Space
Commercial Policies for an International Remote Sensing System
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Acoustic Levitator alloys applications bioreactors bubble shapes capability commercial concept configuration containerless processing convection crystal growth cylinder Dintenfass drop tower drop tube Earth Electrofusion equipment European Space Agency eutectic evolution of bubble experiments facility fluid frequency function furnace glass gravity environment gravity level hardware hybridomas increased integration interface Laboratory launch vehicle lifting force liquid low-gravity lymphocytes MAb's materials processing Materials Science melt membranes MEPF-CGF metastable microgravity environment mission module NASA Nb-Si nucleation on-orbit operations orbit oscillation OUTPOST payload phase Polar Platform polymer pressure profiles protein protein crystal racks rapid solidification red cells requirements rotating speed S.S. Freedom sample shown in Fig solidification sounding rocket Space Flight Space Shuttle Space Station Freedom Spacelab specific studies supercooling surface tension temperature thermal undercooled users utilization zero gravity