Modulation of Sound Field in Looped-Tube Thermoacoustic Cooling System with Membrane
Modulation of Sound Field in Looped-Tube Thermoacoustic Cooling System with Membrane
复制标题
DOI：
10.1143/jjap.46.4417
复制
发表时间：
2007-07
影响因子：
1.5
通讯作者：
Y. Imamura;S. Sakamoto;Yoshiaki Watanabe
中科院分区：
文献类型：
--
作者：
Y. Imamura;S. Sakamoto;Yoshiaki Watanabe
提出了一种插入橡胶膜的环管热声制冷系统的设计方案。当阻挡由于声流引起的质量流的膜位于与声压环不同的位置时，膜改变压力和粒子速度之间的相位差的分布。这伴随着原动机的堆叠中的相位差变化。由于当压力和粒子速度同相时获得有效的能量转换，因此本实验的原动机被移动到新的同相位置。然后，与由于质量流阻塞而增强的声音强度协作，显著地增强了能量转换效率并且获得了高的冷却质量。
A design of the looped-tube thermoacoustic cooling system with an insertion of rubber membrane is proposed. When the membrane to block mass flow due to acoustic streaming is located at a position different from a sound pressure loop, the membrane changes the distribution of the phase difference between pressure and particle velocity. This accompanies the phase difference change in the stack of the prime mover. Since efficient energy conversion is attained when the pressure and particle velocity are in phase, the prime mover of this experiment is shifted to a new in-phase position. Then, collaborating with the enhanced sound intensity due to mass flow blocking, the energy conversion efficiency is significantly enhanced and a high cooling quality is attained.