Phase change material thermal control for electric propulsion
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United States of America Patent
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Nov 12, 2002
Grant Date -
N/A
app pub date -
Jun 15, 2001
filing date -
Jun 15, 2001
priority date (Note) -
Expired
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Abstract
Systems and methods that employ a phase change material to provide thermal control of electric propulsion devices (thrusters). A spacecraft is configured to have an electric propulsion thruster. The electric propulsion thruster is surrounded with a phase change material. Suitable phase change materials include high-density polyethylene (HDPE), waxes, paraffin materials, and eutectic salts. The spacecraft is launched into orbit. The electric propulsion thruster is fired for a predetermined period of time. Heat generated by the electric propulsion thruster is absorbed and stored in the phase change material while the thruster is firing. The stored heat is dissipated into space after the thruster has stopped firing.
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