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Thermal design verification testing of the solar array cooling system for Parker solar probe
|Author||Ercol, Carl; Abel, Elisabeth; Holtzman, Allan; Wallis, Eric; |
|Keywords||Cooling systems; magnetic fields; Magnetoplasma; Orbits; Probes; Remote sensing; Solar cell arrays; Space flight; Thermoelectric equipment; Parker Engineering|
|Abstract||Parker Solar Probe (PSP) will explore the inner region of the heliosphere through in situ and remote sensing observations of the magnetic field, plasma, and accelerated particles. PSP will travel closer to the sun (9.86 solar radii [(RS)]) than any previous spacecraft in order to obtain repeated coronal magnetic field and plasma measurements in the region of the sun that generates the solar wind. The baseline mission will entail 7 years from launch in 2018 until the completion of the 24th orbit; if delays necessitate, a backup 8-year, 26-orbit mission will be flown, with launch in 2019. During its lifetime, the spacecraft will be exposed to wide-ranging thermal environments, from the cold of Venus eclipse to exposures to the sun’s corona, which produces a perihelion solar constant in excess of 480 suns. Spacecraft power is generated using photovoltaic solar arrays that are actively cooled by the solar array cooling system (SACS), manufactured by Hamilton Sundstrand, Windsor Locks, CT. This paper will describe the equivalent "test-like-you-fly" environments that were simulated and the results achieved during the SACS qualification and thermal design verification vacuum testing that took place at Goddard Space Flight Center between 1 March and 16 March 2017.|
Copyright © 2018 The Johns Hopkins University Applied Physics Laboratory LLC
|Year of Publication||2018|
|Journal||30th Space Simulation Conference: Mission Success Through Testing of Critical Challenges|
|Number of Pages||APL; ASTM; CSA; IEST; NASA -|