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Cryogenic Thermal Conductance Measurements of Candidate Materials and Components for WFIRSTWide Field Infrared Survey Telescope (WFIRST) is the next generation astrophysics flagship mission. The primary mission goal is to probe the expansion history of the Universe and the growth of cosmic structure. The wide field instrument has an operating temperature of 90K. We measured the thermal conductance of several candidate materials and components for thermal subsystem of the instrument at cryogenic temperatures. This paper describes these measurements and presents the results.




Document ID
20190027526
Acquisition Source
Goddard Space Flight Center
Document Type
Presentation
Authors
Li, Xiaoyi (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Tuttle, James (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jahromi, Amir (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Boyle, Robert (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Hawks, John (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Gygax, John (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Thorn, Sheri (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Emmett, Thomas (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Shur, Nicholas (NASA Goddard Space Flight Center Greenbelt, MD, United States)
Jackson, Clifton (Stinger Ghaffarian Technologies Inc. (SGT Inc.) Greenbelt, MD, United States)
Cleveland, Paul (Energy Solutions International, LLC Gaithersburg, MD, United States)
Montesano, Mark (Boyd Corporation Pleasanton, CA, United States)
Date Acquired
July 19, 2019
Publication Date
July 17, 2019
Subject Category
Engineering (General)
Report/Patent Number
GSFC-E-DAA-TN70485
Meeting Information
Meeting: Space Cryogenics Workshop
Location: Southbury, CT
Country: United States
Start Date: July 17, 2019
End Date: July 19, 2019
Sponsors: Cryogenic Society of America, Inc.
Funding Number(s)
CONTRACT_GRANT: NNG14CR62C
CONTRACT_GRANT: NNG15CR64C
Distribution Limits
Public
Copyright
Use by or on behalf of the US Gov. Permitted.

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