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1)  self-excited thermoacoustic instability
自激热声不稳定
1.
In order to probe into the mechanism of the excitation and controlling strategy of thermoacoustic instability in the process of combustion,computational fluid dynamics(CFD)was employed to model the self-excited thermoacoustic instability in a Rijke tube combustor.
为探索燃烧过程中热声不稳定的产生及控制机理,采用计算流体力学(CFD)的方法,模拟了黎开(Rijke)管内的自激热声不稳定,得到了管内压力、速度、温度和气体密度的起振,最后达到极限周期的过程。
2)  thermoacoustic instability
热声不稳定
1.
In this paper,in a horizontally located Rijke tube with an electric heat source,the sound pressure level of the tube for the position of the heat source was investigated and the thermoacoustic instability boundary for the heat source position was obtained.
同时,证实了背腔中偏流的存在可以加强对热声不稳定的控制效果。
2.
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.
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。
3.
In order to study the mechanism of self-excited thermoacoustic instability,experimen- tal setup has been built.
为研究热声不稳定的自激机理,搭建了Rijke型预混燃烧器热声不稳定试验台架,研究了其热声不稳定起振过程的频率特性。
3)  thermo-labile
热不稳定
1.
Seven thermo-labile organophosphorous pesticides, isocarbophos, monocrotophos, phospha-midon,methamidophos, acephate, phosmet and trichlorfon were determined by capillary gas chro-matography (GC) with FPD.
本文对热不稳定有机磷农药水胶硫磷、久效磷、磷胺、甲胺磷、亚胶硫磷、乙酰甲胺磷和敌百虫的毛细管气相色谱分析条件进行了考察。
4)  thermal instability
热不稳定性
1.
Study on the thermal instability of the active components in the gel of aloe arborescens Miller.;
木立芦荟凝胶活性成分的热不稳定性研究
2.
It was theoretically proven that thermal instability exists during operations for thrust bearings based on an infinitely wide thrust bearing.
以简化推力轴承为对象 ,理论上证明了推力轴承运行时存在热不稳定性 ,采用小扰动分析法得到了油膜温度的扰动方程 ,应用简正模态分析法推导了无量纲热不稳定性准则数以及推力轴承运行的热不稳定性准则 。
3.
Based on the hydrodynamic instability and thermal instability theory, this paper theoretically analyses the instability of LNG under storage condition.
本文基于流体动力学不稳定性和热不稳定性理论,对液化天然气贮存非稳性进行了理论分析,并用热力学第二定律进行了物理解释。
5)  unsteady heat transfer
不稳定传热
1.
Analysis and determination of items amount of reaction coefficient for unsteady heat transfer calculation of wall;
墙体不稳定传热计算中反应系数项数的分析与确定
6)  unsteady-state heat transfer
不稳定传热
1.
This paper discusses the method of calculating the unsteady-state heat transfer of liquid in agitated vessel for multipass flow by the side of the vessel.
论述了器外复杂换热的搅拌容器中液体不稳定传热计算方法,对几种常见的这类情况进行了算式推导,并举例说明
2.
To discuss the general rule of calculating unsteady-state heat transfer in agitated vessels,and to expound the calculating method in this kind of the processes from several familiar,typical problems and their examples.
论述了搅拌容器内的不稳定传热计算的一般原则,并通过对几种常见的典型的情况分析,阐述了这类传热过程的计算方法
补充资料:激声
1.扬声。
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