An efficient cooling loop for connecting cryocooler to a helium reservoir

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Description

The magnet system of the VENUS ECR Ion Source at LBNL has two 1.5-watt cryocoolers suspended in the cryostat vacuum. Helium vapor from the liquid reservoir is admitted to a finned condenser bolted to the cryocooler 2nd stage and returns as liquid via gravity. Small-diameter flexible tubes allow the cryocoolers to be located remotely from the reservoir. With 3.1 watts load, the helium reservoir is maintained at 4.35 K, 0.05K above the cryocooler temperature. Design, analysis, and performance are presented.

Physical Description

8 pages; OS: NT

Creation Information

Taylor, C.E.; Abbott, C.S.R.; Leitner, D.; Leitner, M. & Lyneis, C.M. September 21, 2003.

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Description

The magnet system of the VENUS ECR Ion Source at LBNL has two 1.5-watt cryocoolers suspended in the cryostat vacuum. Helium vapor from the liquid reservoir is admitted to a finned condenser bolted to the cryocooler 2nd stage and returns as liquid via gravity. Small-diameter flexible tubes allow the cryocoolers to be located remotely from the reservoir. With 3.1 watts load, the helium reservoir is maintained at 4.35 K, 0.05K above the cryocooler temperature. Design, analysis, and performance are presented.

Physical Description

8 pages; OS: NT

Notes

INIS; OSTI as DE00819968

Source

  • 2003 Cryogenic Engineering Conference & International Cryogenic Materials Conference, Anchorage, AK (US), 09/22/2003--09/26/2003

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  • Report No.: LBNL--53679
  • Grant Number: AC03-76SF00098
  • Office of Scientific & Technical Information Report Number: 819968
  • Archival Resource Key: ark:/67531/metadc739000

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Creation Date

  • September 21, 2003

Added to The UNT Digital Library

  • Oct. 18, 2015, 6:40 p.m.

Description Last Updated

  • April 4, 2016, 12:48 p.m.

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Taylor, C.E.; Abbott, C.S.R.; Leitner, D.; Leitner, M. & Lyneis, C.M. An efficient cooling loop for connecting cryocooler to a helium reservoir, article, September 21, 2003; Berkeley, California. (digital.library.unt.edu/ark:/67531/metadc739000/: accessed September 20, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.