Transition of Refrigeration Thermodynamic Analysis From Component to a Radar Power System

[+] Author and Article Information
Mysore Ramalingam

UES, Inc., Dayton, OH 45432-1894e-mail: ramaliml@wl.wpafb.af.mil

Brian Donovan, Jerry E. Beam

Power Division, USAF Research Laboratory, Wright Patterson Air Force Base, OH 45433-7251

J. Energy Resour. Technol 122(3), 153-160 (Jun 10, 2000) (8 pages) doi:10.1115/1.1289766 History: Received September 05, 1999; Revised June 10, 2000
Copyright © 2000 by ASME
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Radar power system components
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Schematic representation of the conventional and cryocooled power systems
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Schematic of capacitor input filter application
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Uncooled device (a) and refrigerated device (b)
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Effect of temperature on the output of a commercial GaAs MESFET 17
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Temperature ranges for commercial cryocoolers 18
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Break-even characteristics for the Stirling cycle refrigerator
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Breakeven characteristics for a device cooled to 150 K
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Required ESR values for break even as a function of cryocooled temperature
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Normalized masses for the conventional and all-cooled power system configurations
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Figures-of-merit comparisons for various system configurations evaluated




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