Thermally Actuated Pressure Wave Generators for Pulse Tube Cooler

摘要

This paper describes new configurations of thermally actuated pressure wave generator for the pulse tube cooler as the alternative of electric compressor. Two different types of pressure wave generator have been studied. In either case, solid displacers have been used as the resonator. The first one is based on Stirling cycle. Experimental study of work amplification with dense meshes in the regenerator indicates the possibility of Stirling type pressure wave generator. The second one is a proposed pressure wave generator, where work is taken out from work transfer tube side. Self-actuated oscillation of 31.5Hz has been observed with compact system size.