A Refrigeration System Incorporating a Low-Capacity, High-Speed, Gas-Bearing-Supported Expansion Turbine

Mann, D. B.; Sixsmith, H.; Wilson, W. A.; Birmingham, B. W.

doi:10.1007/978-1-4757-0528-7_26

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2b Joule-thomson Ut) Liquefier~refrigerator1

Fig I Turbine Test Apparatus1

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1965

2019

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Cited by 5 publications

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“…Both oil lubricated and pressurised gas lubricated bearings have been used (Patzelt et al 1973). A turbine developed by National Bureau of Standards, Boulder, Colarado, USA, has a shaft diameter of 8 mm and a design speed of 600,000 r.p.m, at 30 K inlet temperature (Mann et al 1963). Sixsmith & Wilson (1964) describe the turboexpander suitable for helium which operates at 500,000 r.p.m, using externally pressurised gas lubricated bearings.…”

Section: 2b Joule-thomson Ut) Liquefier~refrigeratormentioning

confidence: 99%

Cryogenic refrigeration methods for low and ultra-low temperatures — a review

Thirumaleshwar

Subramanyam

1986

Sadhana

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In this review, various cryogenic refrigeration methods to obtain temperatures extending down to the milliKelvin/microKelvin range are described after first explaining the concepts of a "thermodynamically ideal cycle" and the "figure of merit". The various cycles are compared with each other. Data about some of the commercially available refrigerators/cryogenerators have also been included in this review.

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Section: 2b Joule-thomson Ut) Liquefier~refrigeratormentioning

confidence: 99%

Cryogenic refrigeration methods for low and ultra-low temperatures — a review

Thirumaleshwar

Subramanyam

1986

Sadhana

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“…A previously reported [4] single stage impulse turbine was used for this purpose in a test apparatus illustrated in Fig. A previously reported [4] single stage impulse turbine was used for this purpose in a test apparatus illustrated in Fig.…”

Section: Fig I Turbine Test Apparatusmentioning

confidence: 99%