本发明提供一种热缓冲管及热声系统。
The invention provides a thermal buffer tube and a thermoacoustic system.
将当前的天然气液化技术与热声制冷技术进行比较。
The current natural gas liquefaction technology is compared with thermoacoustic refrigeration technology.
并定性和定量的对热声系统的原理进行了简单的论述。
Then, the principle of thermoacoustic system is also discussed qualitatively and quantitatively.
概括、总结了热声热机和沸腾两相流系统的基本方程。
The fundamental equations for thermoacoustic engine and boiling two-phase flow are well summarized together and also derived in detail.
在高激发下，热声子效应被发现延迟的载波冷却过程。
Under high excitation, hot phonon effects were found to delay the carrier cooling process.
应用热声转换技术制造的脉动燃烧装置，结构最为简单。
The structure of pulsating combustor which used the technology of thermoacoustic exchange is the simplest.
论述了热声热机的基本结构以及热声传换的机理和条件。
Described in this paper are the basic structure of the engine as well as the mechanism and conditions of a thermoacoustic conversion.
该文也将是研究和开发低品位热源液相热声热机的重要参考。
This paper will also be an important reference for the research and development of liquid thermoacoustic engines with low-grade heat source.
热声现象是放热过程和声学脉动之间的一种正向的相互激励。
The thermoacoustic phenomenon is a positive excitement betWeen lieat release and acoustic oscillation.
以超流氦为对象，对其沸腾传热过程中的热声振荡现象进行了研究。
The thermoacoustic oscillation during film boiling heat transfer in superfluid helium is studied.
提出了通过平面声波分解测量热声谐振管中单频压力波声功的方法。
A method for measuring the mono sound power in thermoacoustic resonator was developed by using the theory of plane wave decomposition.
介绍了一种基于高效斯特林循环的热声制冷机的基本原理及主要组成。
Therefore, a TAR realizing a gas Stirling cycle approximating the Carnot cycle which is an ideal gas cycle, and realizing simplification of the structure and high efficiency of the device is provided.
声能燃烧是以热声相互转换、相互作用原理为基础的一种新型燃烧方式。
The sound energy burning is developed on the basis of intertransformation and interaction between sound energy and heat energy.
随着氢气含量的减少，起振临界当量比变大，热声振荡的最大振幅变大。
With reduced the concentration of hydrogen, the oscillation start critical equivalence ratio is higher and the maximum amplitude of thermoacoustic oscillation is larger.
从自激振荡的稳定性入手，分别讨论了热声网络的周期时均和时变数学模型。
Based on the stability of self-oscillation of thermoacoustic engine. models of periodic average and time-varied are investigated respectively.
为了产生行波声场和形成高声阻抗，从热声网络的观点建立了系统的简化模型。
To create the traveling-wave phasing and high acoustic impedance, a simplified model of the system is constructed from the view of acoustic network.
和传统的机械相比，热声热机具有无污染，结构简单，运行可靠和长寿命的优点。
Compared with traditional mechanism, thermoacoustic engines have various advantages such as no pollution, simplicity, reliability, longevity and so on.
通过对水声信号的时间结构和声脉冲幅度变化规律的测定，着重研究了热声理论。
Thermoacoustic theory has been studied particularly by exploring the time structure of acoustic signals and the law of acoustic pulse amplitude variation.
介绍了热声系统无因次化的工程优化设计数学模型，描述了热声系统的优化算法。
The normalized mathematical model for the engineering optimum design of thermoacoustic system is introduced.
本文中给了非线性行波和驻波的严格解，并用于包括热声堆和温度梯度的复合管中。
Nonlinear sound wave propagation is solved rigorously for progressive and standing waves and applied to composite tubes including thermoacoustic stacks with temperature gradient.
磁致伸缩换能器驱动热声制冷机是以声能作为动力源，利用热声效应获得制冷的装置。
The thermoacoustic refrigerator driven by the magnetostrictive transducer takes advantage of thermoacoustic effect to obtain refrigeration.
本文介绍了热声制冷的原理，分析了热声制冷机的性能影响因素，并提出了性能优化方法。
This paper introduces the principle of thermo acoustic refrigeration, analyses the factors affecting the performance of a thermo acoustic refrigerator, and presents the ways of optimization.
为探索旋流燃烧器内热声不稳定的产生机理，搭建了可调型旋流燃烧器热声不稳定试验台架。
In order to probe into the excitation mechanism of thermoacoustic instability in swirl combustors, an experimental setup has been built including an adjustable swirl combustor.
在无外加强制作用下实现里克管脉动工况数值模拟，与里克管作为自激热声装置的实际情况一致。
Numerical simulation results of Rijke tubes, pulsating without forced triggering, agree with actual conditions of Rijke tubes acting as self-excited thermal-sonic devices.
回热器是热机系统的热声源，从外热源吸收热能补偿热机系统的能量耗散，维持系统的热声振荡。
The stack is thermoacoustic source of thermoacoustic engine. It absorbs heat energy from outside heat source to compensate for heat loss of the thermoacoustic engine and keep the engine oscillate.
热声机械作为一种新型的能量转化装置，讨论其起振温差对于利用低品位能源具有非常重要的意义。
The onset temperature difference of thermoacoustic Stirling prime movers is a very important parameter for utilizing low quality heat energy.
热声热机是一种完全新型热机，工作于热声效应机理，具有无污染、无运动部件、可靠性高等优点。
Thermoacoustic engine is a new type of engine which is based on the thermoacoustic effect, with no pollution, no moving parts, and high reliability.
使用热声技术极大地提高了木材作为燃料能源的效率，而且与使用明火烹饪相比，这种方式污染更小。
Using thermoacoustic technology is a more efficient way of using wood as a fuel than using an open fire to cook. It produces fewer pollutants.
采用二维九速的格子气模型模拟热声振荡，建立了完备的多体碰撞规则，提供了粘性和热边界的处理方法。
A complete multi-particle collision rule was established, and a method for dealing with viscous and thermal boundary was provided in the present model.
开式循环热声系统具有结构简单可靠、成本低和热效率高等特点，因而具有十分广阔的热声研究与应用前景。
Open cycle thermoacoustic system promises to be simpler in construction, more reliable and efficient than conventional one, thus leads to promising research results and application.
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