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+---- Thread: Acoustic Refrigeration (/showthread.php?tid=30272)
Acoustic Refrigeration - Urinniciarp - 08-17-2017
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Acoustic Refrigeration
Foundation
Thermoacoustic Refrigeration
Alternative
Replaces Compressor with a loud speaker
Substitutes conventional refrigerants for inert gases (i.e. helium)
Operation
Increase Pressure raise Temperature
Diffusion of heat to or from stacks: Thermal Penetration
Standing Wave: Pressure in phase with Displacement
Application
Existing
NASA
Preserve blood and urine samples
U.S. Navy
Cool radar electronics onboard warships
Potential
Marine Vehicles
Replace Noisy Generators
Satellite Sensors
Super-Fast Computers
Motivation
One moving part
Yields 30% Carnot Cycle Efficiency
Applicable to existing Systems
Minimal Maintenance
No CFC s or HFC s
Less Energy Wasted
Regenerative