Development of a New Air Liquide Cryogenic Expander

Marot, G.; Courty, J. C.; Delcayre, F.; Drevard, L.; Durand, F.; Gianèse, P.

doi:10.1063/1.2202614

Cited by 1 publication

(1 citation statement)

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“…Static gas bearing has been chosen and remains a well proven technology especially for industrial applications. Presently, the turbine range goes from the TC3 type (low power) to the TC7 [1] turbine type (high power). The applications are dealing with gaseous separation and liquefaction (industrial) or fundamental sciences such as magnets cooling or controlled fusion.…”

Section: Introductionmentioning

confidence: 99%

Recent developments on Air Liquide advanced technologies turbines

Delcayre¹,

Gondrand²,

Drevard³

et al. 2012

AIP Conference Proceedings

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Design of oil-free simple turbo type 65 K/6 KW helium and neon mixture gas refrigerator for high temperature superconducting power cable cooling AIP Conference Proceedings 613, 893 (2002) ABSTRACTAir Liquide Advanced Technologies has developed for more than 40 years turboexpanders mainly for hydrogen and helium liquefiers and refrigerators and has in total more than 600 references of cryogenic turbo-expanders and cold compressors.The latest developments are presented in this paper. The key motivation of these developments is to improve the efficiency of the machines, and also to widen the range of operation. New impellers have been designed for low and high powers, the operation range is now between 200W and 200kW. The thrust bearings have been characterized in order to maximize the load which can be withstood and to increase the turbo-expander cold power. Considering low power machines, 3D open wheels have been designed and machined in order to increase the adiabatic efficiencies. A new type of machine, a turbobooster for methane liquefaction has been designed, manufactured and tested at AL-AT test facility.

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Section: Introductionmentioning

confidence: 99%