| 摘要 |
An acoustic refrigeration apparatus includes an acoustic wave generation device arranged directed to the channel of a hollow annular tube, and a regenerator provided at a predetermined position in the channel of the annular tube. A temperature gradient is obtained across the regenerator by an acoustic wave emitted from the acoustic wave generation device. Therefore, an acoustic refrigeration apparatus realizing a gas cycle approximating the Carnot cycle which is an ideal gas cycle, and realizing simplification of the structure and high efficiency of the apparatus is provided.
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