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A VERY HIGH EFFECTIVENESS HEAT EXCHANGER FOR REVERSE BRAYTONCRYOCOOLERS

Award Information
Agency: Department of Energy
Branch: N/A
Contract: N/A
Agency Tracking Number: 10835
Amount: $500,000.00
Phase: Phase II
Program: SBIR
Solicitation Topic Code: N/A
Solicitation Number: N/A
Timeline
Solicitation Year: N/A
Award Year: 1990
Award Start Date (Proposal Award Date): N/A
Award End Date (Contract End Date): N/A
Small Business Information
Po Box 2470
Huntsville, AL 35804
United States
DUNS: N/A
HUBZone Owned: No
Woman Owned: No
Socially and Economically Disadvantaged: No
Principal Investigator
 Dr John B Hendricks
 Principal Investigator
 (205) 536-8629
Business Contact
Phone: () -
Research Institution
N/A
Abstract

THERE IS AN ACUTE NEED FOR VERY HIGH EFFICIENCY HEAT EXCHANGERS IN CRYOGENIC APPLICATIONS. THE GOAL OF PHASE I IS A HEAT EXCHANGER DESIGN WITH AN EFFECTIVENESS 0.99. THE HEAT EXCHANGER GEOMETRY IS A PERFORATED, PARALLELPLATE TYPE. THE DESIGN METHODOLOGY ENTAILS EXPLICIT CALCULATION OF HEAT TRANSFER RATES AND PRESSURE DROPS BY CONSIDERING LONGITUDINAL THERMAL CONDUCTION, BOUNDARY LAYER DEVELOPMENT, PROPERTIES OF TEMPERATURE FLUIDS AND MATERIALS,PLATE ALIGNMENT, AND PLATE SPACING. CONSIDERABLE EFFORT WILL BE DEVOTED TO DETERMINING THE PLATE FIN EFFECTIVENESS, AS THIS EFFECT CAN LIMIT SIGNIFICANTLY THE OVER-ALL HEAT TRANSFER RATE. A DESIGN PROGRAM WILL BE DEVELOPED THAT CALCULATES THE HEAT EXCHANGER PARAMETERS BASED ON CONSIDERATION OF THE LISTED EFFECTS.

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

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