The laser's basic structure, also called the resonant cavity, is essentially a long tube with mirrors at each end. 激光器的基本结构(也称为谐振腔)实质上是一根两端都有反射镜的长管。
The length of the accessional tube, which was aroused by the volume of loudspeaker, decreases with the increasing of resonant tube. 由扬声器端体积引起的附加管长也随着谐振管的增加而逐渐减小。
Investigation on An Active Thermoacoustic Network Model in Thermoacoustic Resonant Tube 热声谐振管的有源热声网络模型研究
Experimental study on thermoacoustic resonant tube 热声谐振管的实验研究
RESONANT REACTOR SYSTEM AND ITS MASS-TRANSFER PERFORMANCE We added a steel tube to make the raw materials react fully before entering into the distillation column to get FPN. 考虑对原有间歇反应装置进行改进,增加预裂解管,让物料在其中进行充分反应后进入精馏塔,对产物进行精馏可连续制取所需产品FPN。
During the tests it has also been discovered that the increase in pressure difference at the two ends of the resonant cavity will generate more intensified pulse flows, significantly enhancing the turbulence degree of fluids and, as a result, intensifying the in tube flow heat exchange. 实验中还发现,当共振腔两端的压差增大时,将产生更为强烈的脉动流,明显地提高流体的紊流程度,从而强化了管内流动换热。
A 9-bits lattice gas model with temperature effect is applied into the simulation of thermoacoustic prime movers. The self-excited oscillation in a thermoacoustic resonant tube has been simulated. 在传统的9bit格子气模型中引入了温度区的概念,并应用于热声发动机的模拟研究。
The resonance radiation trapping in alkaline-earth metal atomic lasers were investigated according to Holstein's theory. The threshold temperature, ground-state density and resonant level effective lifetime of the resonance radiation trapping were calculated for Ca, Sr, and Ba atomic vapor lasers with different tube radii. 根据Holstein理论研究了碱土金属原子激光中的共振辐射俘获效应,分别计算了Ca,Sr和Ba蒸气激光在不同半径时产生共振辐射俘获效应的阈值温度、基态粒子数密度和共振能级的有效寿命。
A new resonant loop tube coriolis mass flow meter ( RLCMFM) is described It is based on the equality of natural frequencies of the drive mode and the coriolis mode, continuous signal process technique and frequency tracking. 给出了一种建立在驱动模态与科里奥利(coriolis)模态固有频率相等、连续信号处理技术和频率跟踪法基础上的谐振式环形管coriolis质量流量计。
Resonant Frequency and Altitude Bearing of the Optical Tracking Telescope Tube 光学跟踪仪器镜筒的振动频率与旋转轴支承
The frequency difference, Δ f, between the resonant frequency, f_Moof magnetron and the proper frequency of accelerating tube influences directly the main physics indexes such as X-ray energy and dose rate of the medical standing wave linear electron accelerator. 医用驻波电子直线加速器中磁控管的谐振频率fM和加速管的固有频率fo之差Δf对加速器的主要物理指标,如射线能量,剂量率及其稳定性等起着直接的影响。
PI controller signals are fed to the PWM pulse generator, the PWM pulse generator output pulse to the LLC resonant converter switch tube. PI控制器将信号输送给PWM脉冲发生器,PWM脉冲发生器输出脉冲给LLC谐振变换器的开关管。
Recently, the commercial computational fluid dynamics ( CFD) software FLUENT was introduced to the thermoacoustic research, after systematic understand previous research studies, the paper continues related research work about resonant tube and regenerator. 近年来商用流体计算软件Fluent被引入到了热声学的研究中,在全面的了解前人研究成果后,本文对谐振管及回热器的声特征进行了研究。
The onset process is compared between resonant cavity model and straight tube model and, The temperature distribution and temperature gradient along the direction of tube length is simulated. 比较了带谐振腔模型和直管模型的起振过程,模拟了带谐振腔模型的温度分布和沿管长方向的温度梯度。
To several different type resonant tube of the standing wave thermoacoustic prime mover engine, the paper first study on the pressure ratio in different operating pressure. 首次针对驻波热声发动机几种不同管型的谐振管,系统的探讨了工作压力对压比的影响。