片语

fuel pressure pulsation damper燃油压力脉动阻尼器

pressure transient pulsation压力瞬态脉动

pressure pulsation prediction压力脉动预测

water pressure pulsation水压脉动

total pressure pulsation intensity总压脉动强度

pressure drop pulsation压力降型脉动

minute pressure pulsation signal微压振动信号

pressure pulse压力脉沖；气压脉动

pipeline pressure pulsation管道压力脉动

pressure pulsation damper压力脉沖阻尼器

英汉例句

• 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 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；

• 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。

• 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 optimum jet distance for jet pressure pulsation was about 7-14 times of nozzle exit diameter.

  实验还表明，自激振蕩脉沖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。

• in three gorges left bank hydropower station, the pressure pulsation existed in the range of high partial load operation, which had been proved in acceptance model test.

  三峡左岸水轮机虽然通过模型验收，但其高部分负荷区仍存在诸多不稳定因素，模型试验结果存在高部分负荷压力脉动区。

• the analysis of the pressure pulsation attenuator was made in cfd method.

  利用cfd方法对压力脉动衰减器进行分析；

• 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。

• 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。

• air chamber pneumatic pressure pulsation damper air vessel air bottle pressure chamber.

  充气增压或不用充气增压的气力式压力脉动阻尼器。通常安装在泵的输出端。

• the fact that the pressure pulsation in the draft tube may be reduced by modification of runner cone of these turbines has been observed.

  改变混流式水轮机泄水锥的结构，可以降低尾水管压力脉动值。

• 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。

• furthermore, through variations of pressure pulsation directions, it is likely to mitigate the temperature gradients in the packed bed bioreactor.

  在压力脉沖条件下，填充床固态发酵反应器的系统散热性能得到强化，其固有的温度梯度问题得到有效控制。

• 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。

• 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 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。