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DEVICE FOR THE SUPPRESSION OF ACOUSTIC STREAMING IN THERMOACOUSTIC SYSTEMS
DEVICE FOR THE SUPPRESSION OF ACOUSTIC STREAMING IN THERMOACOUSTIC SYSTEMS
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机译:用于抑制热声系统中声学流的装置
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摘要
A thermoacoustic system for transfer of energy by an acoustic wave, includes a process volume. The process volume is filled with a fluid through which the acoustic wave propagates, and includes - an acoustic network including a compliance volume, a thermoacoustic core and a fluidic inertia; the thermoacoustic core including a cold heat exchanger, a hot heat exchanger and a regenerator; the cold heat exchanger arranged on a first side of the hot heat exchanger with the regenerator between the hot and cold heat exchangers; a thermal buffer zone is positioned adjoining the hot heat exchanger on a second side thereof. The thermoacoustic system includes a partitioning element that is arranged in the thermal buffer zone adjacent to the hot heat exchanger. The partitioning element is configured for blocking mass flow of the fluid through the thermal buffer zone in a direction of acoustic wave propagation in the thermal buffer zone, while allowing passage of the acoustic wave through the thermal buffer zone.
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