泵输出的周期性脉动流体的压力脉动，是引起流体谐振、激励管路振动和噪声的主要原因。
The pressure pulsation induced by the pumped periodic pulsation fluid is the main factor of causing fluid resonance and stimulating pipelines vibrations and noise.
双立环永磁高梯度磁选机是一种利用永磁磁力、脉动流体力和重力综合力场选别的新型设备。
Double vertical ring high gradient permanent magnetic separator is a new kind of separation equipment which utilizes the combined force field of permanent magnetic force.
流体传输管道内的压力脉动反映了流体动态流动的基本特性。
The pressure surge in fluid transmission pipeline is one of the basic characteristics of fluid dynamic flow.
水管路系统流体压力脉动及其引起的流噪声会降低管路系统自身工作的可靠性和舰船的隐蔽性。
The fluid pressure pulse and flow-noise in water piping system decreased the operation safety of piping system and hiding ability of submarines.
分析了流体动态特性实验台架本身的自循环特性对海水管路系统中脉动压力测量的影响。
This paper analyzes the influence of the test device cycling characteristic for fluid dynamic characteristic on the pulsation pressure measurement in seawater pipeline system.
准确可靠地测量压力脉动，对流体脉动的理论和试验研究都是非常重要的。
Its measurement is very important for both theoretical and experimental researches of flow and pressure surges.
本文分析了液压系统流量、压力脉动与噪声的关系，对系统的流体噪声产生与传播进行了一些探讨；
This paper has analyzed the relationship of flow, pressure pulsation and noise in hydraulic system, and has inquired into generation and propagation of fluid noise in the system.
结果表明，随着油液体积弹性模量的下降，泵的流量脉动及流体噪声均增大。
It was shown by calculation results that the flow ripple and fluid noise of hydraulic pump increased seriously when the bulk modulus descended.
减阻流体的轴向和横向速度脉动之间的关联被明显抑制。
The correlation between the axial and transverse speed pulsation of the drag reducing fluid has been conspicuously suppressed.
提出了一种既能减小管路振动又能衰减流体压力脉动的管路消振器结构。
In this paper, a new pipe attenuator that can reduce both the pipe vibration and the pulsating fluid pressure is designed and developed.
该泵使用一个共同的驱动机构以使活塞轴向旋转且沿侧向往复运动以连续地泵送流体，同时减少脉动。
The pump utilizes one common driving mechanism to axially rotate and laterally reciprocate the piston to provide continuous pumping of fluids with reduced pulsations.
讨论了峰值分散技术对多联隔膜泵流体脉动的消减作用；
Discuss peak value dispersion technique to decreases flux pulsation of many sets diaphragm pumps.
针对脉动喷嘴的结构对形成脉冲流体的机理进行了电路模拟分析，从而避开了直接对流体流场的计算及边界条件的处理。
The pulse fluid mechanism is analyzed with circuit simulation on the basis of the structure of pulse nozzle. which will directly avoid calculating the fluid yard and treating the boundary conditions.
为此，对一段天然气管系的流体脉动激发振动进行了分析。
Therefore, the vibration induced by fluid pulsation is analyzed for a section of gas pipeline.
我们利用计算流体动力学的方法，分析了定常流与脉动流两种条件下，支架植入引起的血管壁面剪应力的变化。
We used computational fluid dynamics(CFD) to investigate the steady and pulsatile flows in the vicinity of model stents and focused on the changes of wall shear stress caused by the implanted stents.
从简化的颗粒运动方程出发，分析了在剪切流场中颗粒脉动强度和流体脉动强度之间的关系。
The relationship between turbulent intensity of particles and those of the carrier fluid was studied theoretically based on simplified particle motion equation.
对管内流体流量的温度相关测量法进行了理论分析，并对柴油机排气温度脉动信号进行相关处理，得出相关流量。
The theoretical analysis is performed for in tube flow measurement by correlation methods, and the correlation flow is obtained from analyzing stochastic temperature signals of diesel gas.
沸腾包裹体反映了油气成藏与热流体的脉动式活动密切相关。
Boiling inclusions indicate that the formation of oil and gas reservoirs is closely related to pulsatile activities of hydrothermal fluids.
以直管科里奥利质量流量计为研究对象，给出被测流体脉动时测量管的振动微分方程，讨论了方程的求解过程。
The vibrational equation of the tube was given with the straight tube Coriolis mass flow meter as the investigated object, and the solving process is discussed.
结果表明：空间重力环境是影响稠密气固两相流体动力特性的重要因素，颗粒脉动强度将随着重力条件的减小而增大。
Simulation results show that the space gravity condition exerts great influence on the fluidization characters, the particles fluctuation intensity increases with the decrease of gravity especially.
在海水管道系统中，由泵、阀门、弯头等元件引起的压力脉动(即流噪声)是主要的噪声源，消声器被广泛应用于抑制流体压力脉动。
Fluid pressure pulse is one of the main noise source in water piping system, mufflers are widely used to restrain pressure pulse.
沸腾包裹体反映了油气成藏与热流体的脉动式活动密切相关。流体包裹体的均一温度高异常是由热流体活动所导致的。
The study indicates that the vein minerals are mostly the host mineral of the fluid inclusions related to the thermal fluid activity.
沸腾包裹体反映了油气成藏与热流体的脉动式活动密切相关。流体包裹体的均一温度高异常是由热流体活动所导致的。
The study indicates that the vein minerals are mostly the host mineral of the fluid inclusions related to the thermal fluid activity.
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