A Hybrid Thermal Management System for Space Electro-Optical Payloads

Award Information
Agency: Department of Defense
Branch: Air Force
Contract: FA9453-11-M-0058
Agency Tracking Number: F103-072-0733
Amount: $99,931.00
Phase: Phase I
Program: SBIR
Awards Year: 2011
Solicitation Year: 2010
Solicitation Topic Code: AF103-072
Solicitation Number: 2010.3
Small Business Information
P.O. Box 71, Hanover, NH, -
DUNS: 072021041
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Mark Zagarola
 Principal Investigator
 (603) 643-3800
 mvz@creare.com
Business Contact
 James Barry
Title: President
Phone: (603) 643-3800
Email: contractsmgr@creare.com
Research Institution
N/A
Abstract
ABSTRACT: Advanced space-borne electro-optical payloads require cooling at temperatures of 10 to 20 K. Cooling loads for these detectors will range from 0.25 W to 1.0 W at the primary load site, with additional loads at higher temperatures. During this program, we propose to build and test a multistage hybrid cryocooler that is optimized for cooling at a primary load temperature of 10 to 20 K. The hybrid cryocooler will optimally combine the strengths of multiple cryocooler technologies. Performance predictions indicate that our hybrid cryocooler concept will result in a 200% improvement in efficiency over the current state of the art which will allow landmark reductions in payload mass. In addition to high efficiency, the system will be lightweight, extremely reliable, produce negligible vibration at the coldheads, provide remote and distributed cooling at each stage, and be broadly applicable to cooling temperatures from 10 K to 100 K. During Phase I, we plan to optimize the cryocooler design for a particular mission class. We will use existing test data and analytical models to predict the performance of both a flight cryocooler and a brassboard unit which will be tested during the Phase II project. BENEFIT: The successful completion of this program will result in the demonstration of an extremely efficient low temperature cryocooler. This type of cryocooler is ideal for cooling applications in space-based surveillance and missile defense systems. Government-funded scientific applications include space-based infrared telescopes. Commercial applications include communication satellites, superconducting instruments, hypercomputers, and Superconducting Quantum Interference Devices (SQUIDs).

* Information listed above is at the time of submission. *

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