Aeronautics and astronautics – Spacecraft – Spacecraft formation – orbit – or interplanetary path
Patent
1987-06-26
1990-01-30
Barefoot, Galen
Aeronautics and astronautics
Spacecraft
Spacecraft formation, orbit, or interplanetary path
219 75, 373 10, 75 05C, 75 20F, B64G 122
Patent
active
048968498
ABSTRACT:
A system is described for maintaining a sample material in a molten state and away from the walls of a container in a microgravity environment, as in a space vehicle. A plurality of sources of electromagnetic radiation, such as an infrared wavelength, are spaced about the object, with the total net electromagnetic radiation applied to the object being sufficient to maintain it in a molten state, and with the vector sum of the applied radiation being in a direction to maintain the sample close to a predetermined location away from the walls of a container surrounding the sample. For a processing system in a space vehicle that orbits the Earth, the net radiation vector is opposite the velocity of the orbiting vehicle.
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Eyer, "Journal of Crystal Growth," 1979, p. 219.
Barefoot Galen
Glenn Charles E. B.
Jones Thomas H.
Manning John R.
The United States of America as represented by the Administrator
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