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An active convective 4He heat switch

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An active convective 4He heat switch. / May, Andrew J. ; Azzoni, S.; Melhuish, S. et al.
In: Cryogenics, Vol. 128, 103585, 31.12.2022.

Research output: Contribution to Journal/Magazine › Journal article › peer-review

Harvard

May, AJ, Azzoni, S, Melhuish, S, Piccirillo, L, Seal, D, Sweetnam, T & Winnicki, J 2022, 'An active convective 4He heat switch', Cryogenics, vol. 128, 103585. https://doi.org/10.1016/j.cryogenics.2022.103585

APA

May, A. J., Azzoni, S., Melhuish, S., Piccirillo, L., Seal, D., Sweetnam, T., & Winnicki, J. (2022). An active convective 4He heat switch. Cryogenics, 128, Article 103585. https://doi.org/10.1016/j.cryogenics.2022.103585

Vancouver

May AJ, Azzoni S, Melhuish S, Piccirillo L, Seal D, Sweetnam T et al. An active convective 4He heat switch. Cryogenics. 2022 Dec 31;128:103585. Epub 2022 Oct 24. doi: 10.1016/j.cryogenics.2022.103585

Author

May, Andrew J. ; Azzoni, S. ; Melhuish, S. et al. / An active convective 4He heat switch. In: Cryogenics. 2022 ; Vol. 128.

Bibtex

@article{a736a978a3c147c499ecff3006f71e66,
title = "An active convective 4He heat switch",
abstract = "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 4He 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. {\textcopyright} 2022 The Author(s)",
keywords = "4He, Active switch, Convection, Heat switch, Thermal switch",
author = "May, {Andrew J.} and S. Azzoni and S. Melhuish and L. Piccirillo and D. Seal and T. Sweetnam and J. Winnicki",
year = "2022",
month = dec,
day = "31",
doi = "10.1016/j.cryogenics.2022.103585",
language = "English",
volume = "128",
journal = "Cryogenics",
issn = "0011-2275",
publisher = "Elsevier Limited",

}

RIS

TY - JOUR

T1 - An active convective 4He heat switch

AU - May, Andrew J.

AU - Azzoni, S.

AU - Melhuish, S.

AU - Piccirillo, L.

AU - Seal, D.

AU - Sweetnam, T.

AU - Winnicki, J.

PY - 2022/12/31

Y1 - 2022/12/31

N2 - 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 4He 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. © 2022 The Author(s)

AB - 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 4He 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. © 2022 The Author(s)

KW - 4He

KW - Active switch

KW - Convection

KW - Heat switch

KW - Thermal switch

U2 - 10.1016/j.cryogenics.2022.103585

DO - 10.1016/j.cryogenics.2022.103585

M3 - Journal article

VL - 128

JO - Cryogenics

JF - Cryogenics

SN - 0011-2275

M1 - 103585

ER -