Journal article
An active convective 4He heat switch
- Abstract:
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The design and experimental demonstration are reported of an active convective heat switch suitable for use at cryogenic temperatures. The switch is mechanically simple, relatively inexpensive, and requires no moving parts, instead being operated entirely using heaters. The working gas used is <4> He in a closed cycle and, as such, the switch requires no external gas connections. Closed conductances on the order of 50 mW/K have been demonstrated with residual open conductances on the order of 0.4 mW/K. Novel modelling is presented which shows excellent agreement with the experimental data and significant improvement over existing models.
- Publication status:
- Published
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- Files:
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(Preview, Version of record, pdf, 4.8MB, Terms of use)
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- Publisher copy:
- 10.1016/j.cryogenics.2022.103585
Authors
- Publisher:
- Elsevier
- Journal:
- Cryogenics More from this journal
- Volume:
- 128
- Article number:
- 103585
- Publication date:
- 2022-10-20
- Acceptance date:
- 2022-10-09
- DOI:
- EISSN:
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1879-2235
- ISSN:
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0011-2275
- Language:
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English
- Keywords:
- Pubs id:
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1303027
- Local pid:
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pubs:1303027
- Deposit date:
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2023-03-17
Terms of use
- Copyright holder:
- May et al.
- Copyright date:
- 2022
- Rights statement:
- © 2022 The Author(s). Published by Elsevier Ltd. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
- Licence:
- CC Attribution (CC BY)
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