Advanced Refrigerator for Cooling Cryo-Electronics

Award Information
Agency:
Department of Defense
Branch
n/a
Amount:
$99,881.00
Award Year:
2011
Program:
SBIR
Phase:
Phase I
Contract:
N00014-11-M-0433
Award Id:
n/a
Agency Tracking Number:
N102-178-0612
Solicitation Year:
2010
Solicitation Topic Code:
N102-178
Solicitation Number:
2010.2
Small Business Information
P.O. Box 71, Hanover, NH, -
Hubzone Owned:
N
Minority Owned:
N
Woman Owned:
N
Duns:
072021041
Principal Investigator:
MarkZagarola
Principal Investigator
(603) 643-3800
mvz@creare.com
Business Contact:
JamesBarry
President
(603) 643-3800
contractsmgr@creare.com
Research Institute:
n/a
Abstract
Superconducting electronics have the potential to revolutionize digital communications and to improve real-time situational awareness in the battlefield environment, but must operate at cryogenic temperatures. Commercial cryogenic refrigerators are large, inefficient and are unable to meet typical field requirements. Our approach is to utilize a reverse-Brayton cryocooler that is optimized for operation with cryogenic electronics. In particular, the expansion work of the refrigeration cycle, which occurs at cryogenic temperatures, will be utilized directly to power the cryogenic electronics. This new and innovative feature eliminates the losses associated with (1) transferring the expansion work to ambient temperature where it is typically dissipated and (2) the parasitic heat loads from the electrical leads that bring power to the cryogenic electronics from ambient temperature. The net result is an extremely compact and efficient system. During the Phase I project, we will finalize specifications for the refrigeration system through discussions with DoD representatives, perform trades to optimize the operating conditions, develop a preliminary design of the mechanical and electrical components, and perform analyses to support our design.

* information listed above is at the time of submission.

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