得出导致热声发动机工作在二阶谐振频率模态下的影响因素。
The factors are founded which cause the thermoacoustic prime mover to work on the second mode.
本文分别以氮气和氦气为工质研究了行波热声发动机的声功输出特性。
In this paper, the power output characteristics of traveling-wave thermoacoustic engine (TWTAE) using nitrogen and helium as working gas have been investigated respectively.
热声发动机利用热声效应把热能转化为声功，系统中不存在任何机械运动部件。
A thermoacoustic engine converts thermal energy into acoustic power by thermoacoustic effect without any mechanical moving parts.
该热声发动机驱动双向进气型单级脉管制冷机达到80.9K的最低制冷温度。
Driven by the thermoacoustic engine, a single stage double-inlet PTC obtained the lowest refrigeration temperature of 80.9K with operating frequency of 45Hz.
采用热声发动机驱动脉冲管制冷机，使彻底消除低温制冷机中的运动部件成为可能。
A pulse tube refrigerator driven by a traveling wave thermoacoustic prime engine has no moving parts.
基于环形圈加谐振管的热声发动机的两自由度模型构思，在调相机理上开展了工作。
The mechanism of phase modulation is investigated based on the model of two degree of freedom in the thermoacoustic prime mover consisting of a looped tube and the resonator.
在热声发动机系统中，回热器的振荡换热是沿流体通道的轴向，而加热器振荡换热主要是沿流体通道径向。
In thermoacoustic system, the oscillating heat transfer in regenerator is along the axis direction of the stack and in heat exchanger it is along the radial direction of the tube.
为提高热声发动机的热力性能，采用氦-氩混合工质对一台驻波型热声发动机进行了无负荷工况的试验研究。
To enhance the performance of a thermoacoustic prime mover, a series of experiments were conducted by using He-Ar mixture as working fluid.
进行三个脉冲管与行波型热声发动机的配合实验，着重研究了热端气体温度、冷端温降和压力振幅的变化规律。
The experiment focuses on the temperature of the gas in the hot end heat exchanger, the temperature decline of the cold end of the pulse tube and pressure amplitude.
为了充分发挥热声发动机可利用低品位热能的优势，进一步降低系统的起振温度对热声热机的应用具有重要意义。
In order to take full use of energy of low quality, further decreasing onset - temperature of thermoacoustic engines may be an effective approach.
通过结构改进进行低噪声发动机设计，不仅可以在根源上控制发动机噪声，而且可以改善发动机的性能，还不会使发动机结构变得复杂。
Based on the structural improvement, it not only control the engine noise from root, but also can improve the engine performance without adding the complexity to the engine.
通过结构改进进行低噪声发动机设计，不仅可以在根源上控制发动机噪声，而且可以改善发动机的性能，还不会使发动机结构变得复杂。
Based on the structural improvement, it not only control the engine noise from root, but also can improve the engine performance without adding the complexity to the engine.
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