热声驱动器冷却器性能分析

Performance of the Cold-end Heat Exchanger in the Thermoacoustic Driver

】热声驱动器是利用热声效应实现热能向声能转换的装置，是一种新型的压力波发生器。装于热声板叠两端的加热器和冷却器之间的温差是热声驱动器产生声振动的必要条件。冷却器的性能将直接影响驱动器的整体性能。为进一步提高热声驱动效率，对实验装置中的冷却器进行了分析计算。

The temperature difference, which is necessary for realizing thermoacoustic effect in a thermoacoustic driver, is produced through two heat exchangers-hot-end heat exchanger and cold-end heat exchanger-at both ends of the stacks. The performance of the cold-end heat exchanger will greatly affect the efficiency of the whole system. In order to improve its performance, the calculation of the heat transfer is accomplished, which can provide the profile of heat transfer resistant.