Performance testing of a large heat lift 40 to 80K pulse tube cooler for space applications

Trollier, T.; Tanchon, J.; Buquet, J.; Aigouy, G.; Ravex, A.; Charles, I.; Coynel, A.; Duband, L.; Ercolani, E.; Guillemet, L.; Mullié, J.; Benschop, T.; Linder, M.

doi:10.1117/12.721514

Cited by 5 publications

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References 2 publications

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“…These contracts have lead to some major improvements and as a result to the production of very efficient systems [2,3]. As a matter of fact one of the latest pulse tube developed with Air Liquide under an ESA contract, the so called LPTC: Large Heat Lift Pulse Tube Cooler [4], is currently the baseline solution for the Meteosat third generation satellite. In addition two pulse tube cold fingers have been transferred to industry for ground applications (Thales BV) [5].…”

Section: Mechanical Cryocoolersmentioning

confidence: 99%

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Space cryogenics at CEA-SBT

Duband

Charles

Duval

et al. 2017

International Conference on Space Optics — ICSO 2008

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The "Service des Basses Températures" (SBT) of CEA Grenoble has been involved in space cryogenics for over 20 years now. In fact a dedicated laboratory was created within SBT to carry out these developments, the "Cryocoolers and Space Cryogenics" group, which comprises about 20 persons as of today. Various cryocoolers have been developed in the past and our fields of activity focus now on four main technologies: sorption coolers, multistage pulse tubes, adiabatic demagnetization refrigerators (ADR), and cryogenic loop heat pipes. In addition work on two new concepts for ground based dilution refrigerators is also ongoing. Finally developments on various key technologies such as the heat switches, the suspension or structural systems are also carried out. These developments are mainly funded by the European Space Agency (ESA) or by the Centre National d'Etudes Spatiales (CNES). For most of these systems the common feature is the absence of any moving parts or any friction, which guarantees a very good reliability and make them very good candidates for space borne instruments requiring cryogenic temperatures. In this paper we give an overview of these developments with a particular focus on the sub Kelvin coolers. Based on the HERSCHEL heritage for which we developed the flight sorption coolers, we are now proposing an original concept featuring the association of a 300 mK sorption unit with a miniature adiabatic demagnetization refrigerator. This combination will allow to provide temperature as low as 50 mK with a system weighting less than 5 kg. This development may have direct application for the XEUS and SPICA missions.

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