A RELIABLE, LONG-LIFETIME CLOSED-CYCLE CRYOCOOLER FOR SPACE

Award Information
Agency:
National Aeronautics and Space Administration
Branch
n/a
Amount:
$489,653.00
Award Year:
1986
Program:
SBIR
Phase:
Phase II
Contract:
n/a
Agency Tracking Number:
1750
Solicitation Year:
n/a
Solicitation Topic Code:
n/a
Solicitation Number:
n/a
Small Business Information
Creare Inc.
P.o. Box 71, Hanover, NH, 03755
Hubzone Owned:
N
Socially and Economically Disadvantaged:
N
Woman Owned:
N
Duns:
n/a
Principal Investigator:
H. Sixsmith
Investigator
() -
Business Contact:
() -
Research Institution:
n/a
Abstract
THERE IS A STRONG NEED FOR SIMPLE, RELIABLE CLOSED-CYCLE CRYOCOOLERS CAPABLE OF PROVIDING APPROXIMATELY 5 WATTS OF REFRIGERATION AT TEMPERATURES NEAR 65-75 K. THE MOST PROMINENT EXAMPLE OF CURRENT APPROACHES IS THE LINEAR STIRLING CYCLE UNDER SPONSORSHIP OF NASA. RECENT TECHNOLOGICAL DEVELOPMENTS IN THE MINIATURIZATION OF GAS BEARINGS AND TURBINES INDICATE THAT A REVERSE-BRAYTON CYCLE USING TURBOMACHINES MAY BE AN ATTRACTIVE ALTERNATIVE TO THE USING TURBOMACHINES MAY BE AN ATTRACTIVE ALTERNATIVE TO THE LINEAR STIRLING CRYOCOOLER. THIS PHASE I PROGRAM EVALUATES THE FEASIBILITY OF DEVELOPING A 5 WATT, 70 K CRYOCOOLER BASED ON ROTATING TURBOMACHINES IN A REVERSE-BRAYTON CYCLE. THE OBJECTIVE OF PHASE I IS TO ESTABLISH THE SIZES AND TYPES OF HARDWARE REQUIRED TO MEET THE 5 W LOAD AT 70 K. THE EFFORT WILL ESTABLISH WHETHER CURRENT TECHNOLOGY CAN MEET THIS APPLICATION AND WHAT DEVELOPMENTS MUST TAKE PLACE TO DEMONSTRATE A WORKING PROTOTYPE.

* information listed above is at the time of submission.

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