Thermal Contact Resistance at Cryogenic Temperatures in the Presence of Strong Magnetic Fields
- Authors: Kolesov K.A.1, Mashirov A.V.1, Kuznetsov A.S.1, Koledov V.V.1, Petrov A.O.1, Shavrov V.G.1
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Affiliations:
- Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
- Issue: Vol 68, No 4 (2023)
- Pages: 360-365
- Section: К 90-ЛЕТИЮ ВЛАДИМИРА ГРИГОРЬЕВИЧА ШАВРОВА
- URL: https://journals.rcsi.science/0033-8494/article/view/138192
- DOI: https://doi.org/10.31857/S0033849423040058
- EDN: https://elibrary.ru/PEZNZB
- ID: 138192
Cite item
Abstract
A physical model of a mechanical thermal switch at cryogenic temperatures is studied. In the model, heat is transferred due to contact heat conduction in a detachable contact pair of two copper cylinders. A mechanical thermal switch is developed using a cryomagnetic system with a 10-T superconducting solenoid, and the values of thermal contact conductance are determined in a temperature interval of 10–160 K, including values at a magnetic field of 5 T. In an experimental temperature interval of 60–80 K, close to the phase transition of the DyAl2 and GdNi2 compounds, the thermal contact conductance is 2300–3300 W/(m2 K). The effect of magnetic field of up to 5 T on thermal contact resistance is experimentally determined under vacuum conditions
About the authors
K. A. Kolesov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
A. V. Mashirov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
A. S. Kuznetsov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
V. V. Koledov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
A. O. Petrov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
V. G. Shavrov
Kotelnikov Institute of Radioengineering and Eletcronics, Russian Academy of Sciences
Author for correspondence.
Email: kolesovkka@mail.ru
Moscow, 125009 Russia
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