water pressure fluctuation的意思|示意

Cooling water pressure fluctuation may suddenly occur when a certain loading was reached during the high loading operation of main engine for a ship.

某轮主机进入高负荷运行，达到某一负荷时会突然出现冷却水压力波动。

In this paper, it is introduced to the influence of cavitation factor, measurement taps, sampling frequency and sampling time on the test result in pressure fluctuation test of the water turbine.

介绍了水轮机压力脉动试验时空化系数、测量位置及测点、信号采样频率及采样时间等因素对试验结果的影响。

The impulse turbine unit is normally used in high water-head power stations, whose diversion system is long and is likely to cause pressure fluctuation.

高水头电站一般采用冲击式水轮发电机组，引水系统长，容易产生水压波动。

The mechanism of the water hydraulic piston pump's noise is analyzed, and it present that the pressure fluctuation is the main factor of the noise in fluid distribution process.

分析了水压柱塞泵的噪声产生机理，指出压力波动是配流噪声的主要因素。

Based on analytical method, the paper shows that raising the length of a riser can elevate the water-hammer pressure and reduce the fluctuation of water level effectively in surge tank.

通过理论和解析方法讨论连接管较长时，其内水体惯性对调压井水锤压力和水位波动的影响。实例分析表明：连接管长度增加可使调压井水锤压力升高，水位波动幅值减小。