| 回热器参数耦合对热声发动机声功增益率的影响 |
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| 引用本文： | 张宁,胡忠军,李青.回热器参数耦合对热声发动机声功增益率的影响[J].热能动力工程,2011,26(6):639-644. |
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| 作者姓名： | 张宁 胡忠军 李青 |
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| 作者单位： | 1. 华中科技大学能源与动力工程学院,湖北武汉,430074
2. 中国科学院理化技术研究所,北京,100190 |
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| 基金项目： | 国家自然科学基金资助项目(50906094) |
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| 摘 要： | 基于线性热声理论,研究热声发动机回热器的几何参数和声场参数的耦合对其声功增益率的影响.较小的相对水力半径(几何参数)耦合负的近行波阻抗相角(接近0°相角)及较高的无量纲阻抗幅值(声场参数),可以有效提高回热器的声功增益率.在此基础上分别研究了驻波型、行波型和混合型热声发动机回热器的几何参数和声场参数的耦合特性,计算分析...
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| 关 键 词： | 热声发动机 回热器 耦合 声功增益率 |
Influence of the Parameter Coupling of a Recuperator on the Acoustic Power Gain Rate of a Thermo-acoustic Engine |
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| ZHANG Ning,HU Zhong-jun,LI Qing.Influence of the Parameter Coupling of a Recuperator on the Acoustic Power Gain Rate of a Thermo-acoustic Engine[J].Journal of Engineering for Thermal Energy and Power,2011,26(6):639-644. |
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| Authors: | ZHANG Ning HU Zhong-jun LI Qing |
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| Affiliation: | ZHANG Ning(College of Energy Source and Power Engineering,Central China University of Science and Technology,Wuhan,China,Post Code:430074),HU Zhong-jun,LI Qing(Physiochemical Technology Research Institute,Chinese Academy of Sciences,Beijing,Post Code:100190) |
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| Abstract: | Based on the linear thermo-acoustic theory,studied was the influence of the coupling of the geometric parameters of a thermo-acoustic engine recuperator with its sound field parameters on the acoustic power gain rate of the recuperator.A negative near-travelling-wave resistance phase angle(nearing to the zero phase angle) and a relatively high non-dimensional resistance value(a parameter of the sound field) coupled with a comparatively small relative hydraulic radius(geometrical parameter) can effectively e... |
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| Keywords: | thermo-acoustic engine recuperator coupling acoustic power gain rate |
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