An Efficient 35 K Cryocooler Driven by Electrochemical Compressors

Award Information
Agency: Department of Defense
Branch: Missile Defense Agency
Contract: W9113M-10-P-0062
Agency Tracking Number: B09B-007-0021
Amount: $99,978.00
Phase: Phase I
Program: STTR
Awards Year: 2010
Solicitation Year: 2009
Solicitation Topic Code: MDA09-T007
Solicitation Number: 2009.B
Small Business Information
P.O. Box 71, Hanover, NH, 03755
DUNS: 072021041
HUBZone Owned: N
Woman Owned: N
Socially and Economically Disadvantaged: N
Principal Investigator
 Weibo Chen
 Principal Investigator
 (603) 643-3800
 wbc@creare.com
Business Contact
 James Barry
Title: President
Phone: (603) 643-3800
Email: contractsmgr@creare.com
Research Institution
 Jet Propulsion Laboratory
 Carol A Fisher
 4800 Oak Grove Drive
Pasadena, CA, 91109
 (818) 354-7903
 Nonprofit college or university
Abstract
Next-generation missile defense systems will utilize infrared sensing technologies that will require efficient cooling at low temperatures. We propose to develop an innovative solid-state cryocooler that can provide cooling at temperatures below 35 K while rejecting heat at temperatures up to about 300 K. The cooler uses compact, efficient electrochemical compressors with no moving parts to enhance the system reliability and eliminate payload jitter. The cooler also uses a novel thermodynamic cycle to enable the system to reject heat at temperatures above 300 K. The proposed system will be capable of providing 2 W of refrigeration at 35 K and can be easily scaled to provide much lower or much higher cooling power. The unique characteristics of the cryocooler permit distributed cooling at multiple sites with very high thermodynamic efficiency, resulting in low input power and reduced mass. In Phase I, we will demonstrate the feasibility of the solid-state compressor, design the Phase II system, and predict detailed cryocooler performance data by analysis. In Phase II, we will design, build, and demonstrate a vibration-free, compact cryocooler system.

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

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