| 热声系统中振荡滞后特性的试验研究 |
| |
| 引用本文： | 刘迎文,何雅玲,沈超,黄竞.热声系统中振荡滞后特性的试验研究[J].工程热物理学报,2007,28(3):376-378. |
| |
| 作者姓名： | 刘迎文 何雅玲 沈超 黄竞 |
| |
| 作者单位： | 西安交通大学能源与动力工程学院,动力工程多相流国家重点实验室,陕西,西安,710049 |
| |
| 基金项目： | 国家自然科学基金
,
国家自然科学基金 |
| |
| 摘 要： | 针对热声热机中存在着强烈的非线性热声自激振荡现象,在自行研制的"驻波型热声发动机试验平台"上,对采用He/Ar混合工质的驻波热声发动机系统的起振与消振过程的动态特性进行了详细的试验研究.试验结果表明:对于混合工质热声发动机系统同样存在热声自激振荡的滞后现象和振荡滞后回路;并且在一定的氦氩配比下,发现了"二次起振"的现象,更进一步验证了热声自激振荡的复杂性.
|
| 关 键 词： | 热声发动机 自激振荡 滞后回路 二次起振 |
| 文章编号： | 0253-231X(2007)03-0376-03 |
| 修稿时间： | 2007年1月26日 |
EXPERIMENTAL STUDY ON SELF-OSCILLATING HYSTERETIC CHARACTERISTICS IN THE THERMO-ACOUSTIC SYSTEM |
| |
| LIU Ying-Wen,HE Ya-Ling,SHEN Chao,HUANG Jing.EXPERIMENTAL STUDY ON SELF-OSCILLATING HYSTERETIC CHARACTERISTICS IN THE THERMO-ACOUSTIC SYSTEM[J].Journal of Engineering Thermophysics,2007,28(3):376-378. |
| |
| Authors: | LIU Ying-Wen HE Ya-Ling SHEN Chao HUANG Jing |
| |
| Abstract: | The self-oscillating phenomena in thermo-acoustic system was experimentally studied in a self-built test rig of Standing-Wave Thermo-acoustic Engine.The dynamic characteristics of the thermo-acoustic system during the on-set process and damping process were investigated in detail under different charging pressure and different mole-fraction of the helium and the argon.It was revealed that the hysteresis of the self-oscillating of the thermo-acoustic system always exists for the mixture working gas.In addition,it was also found that a new second on-setting phenomenon occurs for a certain mole-fraction of the Helium-Argon mixtures,further showing the complexity of the thermo-acoustic self-oscillation. |
| |
| Keywords: | thermo-acoustic engine self-oscillating hysteretic characteristic second on-setting phenomena |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
|
