5 May 2017 Tactical versus space cryocoolers: a comparision
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Abstract
In recent years, several space cryocooler developments have been performed in parallel at Thales Cryogenics. On one end of the spectrum are research programmes such as the ESA-funded 30-50 K system developed in cooperation with CEA and Absolut System and the LPT6510 cooler developed in cooperation with Absolut System. On the other end of the spectrum are commercial designs adapted for space applications, such as the LPT9310 commercial coolers delivered for JPL’s ECOSTRESS instrument and the LSF9199/30 SADA-compatible cooler delivered for various space programmes at Sofradir. In this paper, an overview is presented of the latest developments regarding these coolers. Initial performance results of the 30-50K cooler are discussed, pending developments for the LPT6510 cooler are presented, and the synergies between COTS and space are reviewed, such as design principles from space coolers being applied to an upgraded variant of the COTS LPT9310, as well as design principles from COTS coolers being applied to the LPT6510 for improved manufacturability.
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R. Arts, J. Mullié, H. Leenders, G. de Jonge, T. Benschop, "Tactical versus space cryocoolers: a comparision", Proc. SPIE 10180, Tri-Technology Device Refrigeration (TTDR) II, 101800D (5 May 2017); doi: 10.1117/12.2267061; https://doi.org/10.1117/12.2267061
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