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[1]吴锋,李青,郭方中,等.热声理论的研究进展[J].武汉工程大学学报,2012,(1):1-6.
 WU Feng,LI Qing,GUO Fang zhong,et al.Advance in thermoacoustic theory[J].Journal of Wuhan Institute of Technology,2012,(1):1-6.
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
期数:
2012年1期
页码:
1-6
栏目:
机电与信息工程
出版日期:
2012-02-28

文章信息/Info

Title:
Advance in thermoacoustic theory
文章编号:
16742869(2012)1000106
作者:
吴锋1 李青2 郭方中3舒安庆1
1.武汉工程大学理学院,湖北 武汉 430074;2.中国科学院理化技术研究所,北京 100190;
3. 华中科技大学能源与动力工程学院,湖北 武汉 430074
Author(s):
WU Feng1 LI Qing2 GUO Fangzhong3 SHU Anqing1
1. School of Science, Wuhan Institute of Technology, Wuhan 430074, China; 2. Technical Institute of Physics and Chemistry, Chinese Academy of Science, Beijing 100190, China; 3. The Institute of Energy & Power, Huazhong University of Science and Technology, Wuhan 430074, China)
关键词:
热声效应自激振荡热声装置研究进展
Keywords:
thermoacoustic effectselfexcited oscillationthermoacoustic theory research advance
分类号:
TB61
DOI:
-
文献标志码:
AAdoi:10.3969/j.issn.16742869.2012.1.001
摘要:
简要介绍了热声振荡的基本原理和特点,在具有偏置温差的热声核声通道中熵波和振荡流体的相互作用会产生热声效应—热声自激振荡或热声泵热.热声效应在热声热机(制冷机)、热声空调、混合物分离、太阳能利用等领域具有十分诱人的应用前景.回顾了热声理论的研究进展,主要包括热声网络模型、参数激励机理、特征时间研究、热力学优化、格子气模拟以及非线性热声理论等方面的一些最新成果.重点介绍了辛群在热声网络中的应用.系统中等温流体管道内工质运动的传输矩阵为辛矩阵,而存在温度梯度的热声回热器中气体工质微团的传输矩阵可以通过变量代换,将传输矩阵转换为辛矩阵,使整个热声系统网络传输都可用辛矩阵传输来表示.对热声理论研究的发展趋势进行了展望,提出了一些有待解决的问题和研究思路.
Abstract:
The basic principle and features of thermoacoustic selfexcited oscillation are briefly introduced in this paper. In a thermoacoustic stack with longitudinal temperature gradient, which is an important part of thermoacoustic engine, the interactions between the entropy wave and the oscillating flow produce a rich variety of thermoacoustic phenomena such as selfexcited gas oscillation and thermoacoustic heat pump. Thermoacoustic effect is of the great application potential in thermoacostic engine and refrigerator, thermoacoustic aircondition,thermoacoustic mixture separation, thermoacoustic condensation, natural gas liquefier,utilization of solar energvy and so on. The important milestones in the research of the thermoacoustic theory in the recent decades are summarized, mainly including the new achievements in thermoacoustic network model,mechanism of parameter exciting, investigation on characteristic time of system,thermodynamic optimization, simulation using lattice gas model, nonlinear thermoacoustic theory and so on. Among the important advancements, the Symplectic symmetry feature of thermoacoustic network is highlighted. The transferring matrix of working gas in isothermal fluid pipe of thermoacoustic system is symplectic matrix. The transferring matrix of working gas in regenerator of thermoacoustic system could be transferred to symplectic matrix by variable transformation. With variable transformation, the whole transferring matrix of thermoacoustic system could be denoted by symplectic matrix. The development trends of thermoacoustics in the future are forecasted, and some issues in thermoacoustics and research ideas on them are also proposed.

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