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Heat Switches for ADRsHeat switches are key elements in the cyclic operation of Adiabatic Demagnetization Refrigerators (ADRs). Several of the types of heat switches that have been used for ADRs are described in this paper. Key elements in selection and design of these switches include not only ON/OFF switching ratio, but also method of actuation, size, weight, and structural soundness. Some of the trade-off are detailed in this paper.
Document ID
20150008253
Acquisition Source
Goddard Space Flight Center
Document Type
Reprint (Version printed in journal)
External Source(s)
doi:10.1016/j.cryogenics.2014.03.017
Authors
DiPirro, M. J. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Shirron, P. J. (NASA Goddard Space Flight Center Greenbelt, MD United States)
Date Acquired
May 18, 2015
Publication Date
April 5, 2014
Publication Information
Publication: Cryogenics
Publisher: Elsevier
Volume: 62
Subject Category
Engineering (General)
Report/Patent Number
GSFC-E-DAA-TN22123
Report Number: GSFC-E-DAA-TN22123
Funding Number(s)
WBS: WBS 063015.02.02.01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.
Keywords
adiabatic demagnetization refrigerator
heat switch
sub-kelvin cooling

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