Due to axial seal is conveying, so without mixing pressure pulsation.
由于是轴向密封输送，因此无搅拌无压力脉动。
The optimum jet distance for jet pressure pulsation was about 7-14 times of nozzle exit diameter.
实验还表明，自激振荡脉冲喷嘴射流存在最优喷距，最优喷距的大小为喷嘴出口直径的7～14倍。
This paper discusses the methods of reducing pressure pulsation in high load zone of Francis turbine models.
针对混流式模型水轮机研发中有关降低高部分负荷压力脉动的方法进行了探讨。
By comparison, it is proposed that the active filter is one effective method of the decrease pressure pulsation.
通过对比，提出主动滤波是降低压力脉动的一种行之有效的方法。
This invention shows the argumentation of the expert's cognitive mistake towards the pressure pulsation in our country.
该发明论证了国内专家对压力脉动认识的错误。
The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline.
利用有限元法求解声学波动方程，建立了管内气流的有限元运动方程，计算出管内气柱的固有频率和气流压力脉动。
The experimental pressure pulsation curve and video data of gas bubbles and cavitation phenomenon are obtained by the experiment.
通过实验研究，得到了实验压力脉动曲线和实验气泡、气穴现象摄像数据。
The pulse flame will be blowout at certain phase difference, if the amplitude of the exciting pressure pulsation is great enough.
如果驱动压力脉动幅值足够大，到一定的相位差时，脉动燃烧停止工作。
The IGV-impeller gap barely influences the compressor stage performance, but small gap leads to large pressure pulsation inside the flow field.
叶排间距大小对级性能影响几乎可以忽略，但间距减小会造成流场内压力波动增大；
The pressure pulsation induced by the pumped periodic pulsation fluid is the main factor of causing fluid resonance and stimulating pipelines vibrations and noise.
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 fluid pressure pulsation in water piping system reduces Marine hiding ability significantly, even leads to deterioration in operation security of the piping system.
水管路系统的压力脉动及其引起的流噪声大大降低了舰船的隐蔽性，管内压力脉动也会降低管路系统自身工作的可靠性。
A gasbag pressure pulsation polishing method which can improve the mould surface quality rapidly is proposed and the experiment validates the effectiveness of this method.
提出了一种能快速提高模具表面质量的气囊压力脉动抛光方法，并通过实验验证了该方法的有效性。
This thesis deals with the development of novel SSF bioreactor with air pressure pulsation. Measurement and control software was developed under virtual instrument concept.
本论文基于虚拟仪器概念，组建和开发了压力脉冲固态发酵反应器的测量和控制系统。
The theory and experiment verifies that it is a good pulsating attenuator and has large attenuation amplitude and wide attenuation band to pressure pulsation of oil source.
理论及试验证实它对油源压力脉动衰减幅度大，衰减频带宽，是一种性能良好的脉动衰减器。
By analysis mechanism of the pressure pulsation for hydraulic system, introduced two methods, the passive filtering and the active filtering, to decrease pressure pulsation.
通过对液压系统中产生压力脉动的机理分析，介绍被动滤波和主动滤波两种降低压力脉动的方法。
It is characterized by a strong adaptability to the media, smooth flow, pressure pulsation, small, high self absorption capacity, which is not a substitute for any other pump.
它的最大特点是对介质的适应性强、流量平稳、压力脉动动小、自吸能力高，这是其它任何泵种所不能替代的。
If the frequency of oil-pressure pulsation is near to power system natural oscillations frequency, power system low frequency oscillations of resonance mechanism can be induced.
全液压调速系统的油压容易产生脉动，如果油压脉动的频率与电力系统固有频率接近时也可能引发电力系统共振机理的低频振荡。
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.
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；
For Francis turbines, the pressure pulsation in draft-tubes induced by helical vortex rope is one of the main problems and it would seriously affect the safe operation of the unit.
混流式水轮机尾水管内螺旋形涡带引起的压力脉动是造成混流式水轮机组振动的主要根源之一，严重威胁机组的安全运行。
The detailed pressure-power model of turbine is adopted in simulation, and then the relationships between turbo-pressure pulsation and power system forced oscillations are studied in particular.
在仿真中采用详细的汽轮机压力功率模型，着重研究了汽轮机蒸汽压力脉动与电力系统发生共振振荡的关系。
Compared by the analysis, optimizing the parameter of the impeller and casing tongue, on side of hydraulic design of pump, is the most effective way to reduce the pressure pulsation of pulp-pump.
分析得出：从泵的水利设计方面来优化叶轮和隔舌的参数，是降低纸浆泵压力脉动的最有效方法。
By analyzing the data taken from the model accept test on a reversible pump-turbine, a series of cases of pressure pulsation on turbine, pump, brake and reverse pump performances has been carried out.
本文根据潘家口电站模型验收实验资料归纳出可逆式水泵-水轮机的压力脉动特性。
Objective Discuss sterilization effect of B-class pulsation table top vacuum pressure steam sterilizer for dental handpiece.
目的探讨B级脉动真空压力蒸汽台式灭菌器对牙科手机的灭菌效果。
This paper analyzes the influence of the test device cycling characteristic for fluid dynamic characteristic on the pulsation pressure measurement in seawater pipeline system.
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。
The flow rate and pressed pulsation in the pipe of liquid pressure is a such a complicated problem that it is hard to solve.
液压管路内的流量和压力脉动问题，是一个复杂而又难以解决的问题。
The characteristics of underwater explosions such as pulsation law and pulsation cycle of bubbles, and pressure time histories of shock waves in water were investigated numerically.
应用数值模拟方法对水下爆炸产生的诸如气泡脉动规律、脉动周期、水中冲击波压力的变化等特性进行了研究。
Through the analysis of gas pulsation characteristics in reciprocating compressor and deviation in set pressure, the equation is given for determining the minimum set pressure of safety relief valve.
分析了往复式压缩机气流脉动的特点，结合安全阀的整定压力偏差，给出了确定最小安全阀整定压力的公式。
The distribution of wall pulsation pressure amplitude probability of level spiraling flow spillway tunnel basically presents the Gauss normal distribution;
水平旋流泄洪洞壁面脉动压强振幅概率分布基本上呈现高斯正态分布；
The pressure drop pulsation is analyzed by using a lumped parameter nonlinear model. The results show that the pressure drop type instability can be described by a second-order differential equation.
使用集总参数非线型模型来分析蒸发管中汽液两相流压力降型脉动，结果表明：压力降型不稳定性可以用二阶常微分方程来描述。
If the roller pulsation, the pressure on paper as cause misregister.
如果滚子径向跳不静， 则差纸的不张辛有不小有小，致使套印禁绝。
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