School of Energy and Power Engineering;
Central South University;
Changsha 410083;
China School of Energy and Power Engineering;
Central South University;
Changsha 410083;
China School of Energy and Power Engineering;
Central South University;
Changsha 410083;
China School of Energy and Power Engineering;
Central South University;
Changsha 410083;
China;
porous; frequency; microminiature; thermoacoustic; regenerator;