| A high-performance thermoacoustic refrigerator operating in room-temperature range |
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| 作者姓名： | LUO Ercang HUANG Yun DAI Wei ZHANG Yong WU Zhanghua |
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| 作者单位： | [1]Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, China [2]Graduate School of Chinese Academy of Sciences, Beijing 100049, China |
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| 基金项目： | Acknowledgements This work was supported by the Key Project of the National Natural Science Foundation of China （Grant No. 50536040） and Chinese Academy of Sciences （Grant No. KJCX2-SW-W 12-01） |
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| 摘 要： | The working principle of an efficient travelling- wave thermoacoustic refrigerator operating in room-temperature range has been analyzed and an experimental set-up has been built. The experiment showed that suppressing DC-flow streaming was very critical to efficient operation, and an elastic membrane was used to solve the problem successfully. At the most efficient operating point, the novel thermoacoustic refrigerator achieved a cooling capacity of about 80 W at -20℃, with a much higher efficiency than previously developed standing-wave thermoacoustic refrigerator.
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| 关 键 词： | 电冰箱 空间温度范围 行波 DC流程 工作原理 |
| 收稿时间： | 2004-12-29 |
| 修稿时间： | 2004-12-292004-12-31 |
A high-performance thermoacoustic refrigerator operating in room-temperature range |
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| LUO Ercang HUANG Yun DAI Wei ZHANG Yong WU Zhanghua.A high-performance thermoacoustic refrigerator operating in room-temperature range[J].Chinese Science Bulletin,2005,50(22):2662-2664. |
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| Authors: | Ercang Luo Yun Huang Wei Dai Yong Zhang Zhanghua Wu |
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| Institution: | LUO Ercang1, HUANG Yun1,2, DAI Wei1, ZHANG Yong1,2 & WU Zhanghua1,2 1. Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, China; 2. Graduate School of Chinese Academy of Sciences, Beijing 100049, China |
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| Abstract: | The working principle of an efficient travelling-wave thermoacoustic refrigerator operating in room-tem-perature range has
been analyzed and an experimental set-up has been built. The experiment showed that suppressing DC-flow streaming was very
critical to efficient operation, and an elastic membrane was used to solve the problem successfully. At the most efficient
operating point, the novel thermoacoustic refrigerator achieved a cooling capacity of about 80 W at ?20°C, with a much higher
efficiency than previously developed standing-wave thermoacoustic refrigerator. |
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| Keywords: | traveling-wave thermoacoustic refrigerator room-temperature cooling DC-flow streaming |
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