摘要
进行了带声压放大器的驻波型热声驱动RC负载的实验研究,在实验中观察到频率跳变现象,根据驻波型热声系统的运行模式,对跳频现象出现的声阻范围、跳频现象随加热功率的变化关系以及跳频现象和声压放大器长度的关系进行了归纳和总结。
Experiments on standing-wave thermoacoustically driven RC load with an acoustic pressure amplifier（APA） have been carried out. The phenomena of frequency transition that is observed in the experiments is concluded and the operating patterns of the standing-wave thermoacoustic system are classified and defined respectively. The range of acoustic resistance in which frequency transition, the relationship between frequency transition and heating power and the relationship between frequency transition and the length of the acoustic pressure amplifier are analyzed and concluded.
出处
《低温工程》
CAS
CSCD
北大核心
2007年第5期20-27,共8页
Cryogenics
基金
国家自然科学基金(50376055
50536040)
高等学校博士学科点专项科研基金(20050335047)资助。
关键词
跳频
驻波
热声发动机阻容(RC)负载
声压放大器
非线性现象
frequency transition
standing-wave
thermoacoustic engine
RC load
acoustic pressure amplifier
non-linear phenomena
