The New Planetary Simulation Facility of DLR--Construction, Operation, Application

Physics

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Physics: Planetary, Roland, Rosetta, Simulations: Comet, Simulations: Mars

Scientific paper

A promising way to study physical phenomena on planets, moons, and comets is the experimental simulation in a laboratory on Earth. In the former, meanwhile disassembled DLR Space Simulator, experiments only could be performed under vacuum conditions. The new simulation chamber, 1.5 m in diameter and 1.8 m high, is constructed as a Dewar vessel with two walls and an isolating vacuum between and can be operated with different atmospheres at variable pressures. In addition the liquid nitrogen (LN2) operated cooling system will not only support experiments at around 77K. After the cooling-down phase with full power, the cooling system is operated in an intermittent (pulsed) mode, opening experimental conditions over a wide temperature regime. This allows e.g. Mars-simulation experiments with a CO2- atmosphere, as well as the realization of cometary vacuum conditions. The chamber will be built in the DLR, Institute for Space Simulation, Koln, in the second half of January 1996

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