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A HIGH-PERFORMANCE CRYOGENIC HEAT EXCHANGER

Award Information
Agency: Department of Energy
Branch: N/A
Contract: N/A
Agency Tracking Number: 21080
Amount: $599,756.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1994
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
Po Box 71
Hanover, NH 03755
United States
DUNS: 072021041
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Dr Javier A Valenzuela
 (603) 643-3800
Business Contact
Phone: () -
Research Institution
N/A
Abstract

RECUPERATIVE HEAT EXCHANGERS ARE KEY COMPONENTS IN REFRIGERATION SYSTEMS USED TO COOL SUPERCONDUCTING DEVICES IN HIGH ENERGY PHYSICS RESEARCH. PRESENT PLATE-FIN HEAT EXCHANGERS HAVE EFFECTIVENESS OF AROUND 0.97 AND PRESSURE DROPS OF SEVERAL PERCENT OF THE STREAM PRESSURE. APPROXIMATELY HALF THE LOSSES IN A CRYOGENIC REFRIGERATOR ARE THE RESULTS OF INEFFECTIVENESS AND PRESSURE DROP IN THE HEAT EXCHANGERS. LARGE VACUUM ENCLOSURES AND VACUUM PUMPING SYSTEMS ARE REQUIRED TO HOUSE THE HEAT EXCHANGERS. THIS PROJECT WILL DEVELOP A HIGH PERFORMANCE CRYOGENIC HEAT EXCHANGER WHICH HAS THE POTENTIAL FOR DECREASING HEAT EXCHANGER LOSSES BY A FACTOR OF 3 AND DECREASING THE HEAT EXCHANGER SIZE BY A FACTOR OF 10 OR MORE. PERFORMANCE GAINS ARE ACHIEVED THROUGH A NOVEL CORE CONFIGURATION WHICH MINIMIZES AXIAL CONDUCTION LOSSES IN THE METAL AND ALLOWS A VERY COMPACT DESIGN. PHASE I WILL EVALUATE THE FEASIBILITY OF THE PROPOSED HEAT EXCHANGER CONCEPT BY PERFORMING A THERMAL DESIGN OF THE HEAT EXCHANGER AND DEMONSTRATING THE KEY FABRICATION STEPS. IN PHASE II A FULL SCALE PROTOTYPE HEAT EXCHANGER WILL BE BUILT AND TESTED.

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

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