技术中心

【摘要】 基于热声效应发展起来的热声发动机是一种新型的完全没有机械运动部件,可利用低品位热源的环保发动机。近年来,行波热声发动机由于热声转换效率高而受到各国学者的广泛关注。针对近十年来行波热声发动机的实验研究进展与典型样机进行了介绍,并对热声发动机的性能参数作了分析与总结,最后展望了行波热声发动机的发展趋势和应用前景。 【Abstract】 The thermoacoustic heat engine on the basis of the thermoacoustic effect is regarded as a new type of promising and environment-friendly machine because it has no mechanical moving components and can run with low quality heat sources.In recent years,the traveling-wave thermoacoustic heat engine has attracted much attention due to its inherent high efficiency.In the present paper,the development of experimental study and the prototypes of traveling-wave thermoacoustic heat engines in the last decade are stated.The influence of the key parameters on the engine performance is discussed.In addition,the development trend and application prospect of traveling-wave thermoacoustic heat engines are presented. 【关键词】 热工学; 热声效应; 行波; 发动机 【Key words】 Pyrology; Thermoacoustic effect; Traveling wave; Heat engine