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- By virtue of an actual blower as example, following conclusions are obtained.Firstly amplitude of inflow flow pulsation of three leaves Roots blowers is less than that of two leaves Roots blowers. 给出理论流量、实际流量的计算方法,计算的生产实例表明,三叶罗茨风机比两叶罗茨风机的进气流量脉动小;
- Analysis of Inflow Flow Pulsation for Three Leaves Roots Blowers 三叶罗茨风机的进气流量脉动分析
- inflow flow pulsation 进气流量脉动
- This pulsatile force would lead to collision and oscillation to stator, pressure and flow pulsation to pump, and engendervibration and noise. 该力可以造成对定子的冲击和振荡,引起叶片泵的压力、流量脉动,产生振动、噪声。
- Whereafter,the influence of flow pulsation rate and steady pressure of system on the effect of accumulator absorbing pressure pulsation was analyzed theoretically. 建立了吸收压力脉动的普通蓄能器回路的数学模型,从理论上分析了流量脉动频率和系统稳态压力对蓄能器吸收压力脉动效果的影响。
- Moreover, the improvement of flow pulsation is proposed and is accordingly introduced in detail.The emulational conclusion by MATLAB is same as theoretical analysis. 在对流量特性的分析中,利用了MATLAB软件进行了仿真,结果表明理论分析和仿真结果是一致的。
- Research indicated that parity of vane number have no direct relation with flow pulsation of vane pump and the flow pulsation frequency is independent from the odd or even number of pistons. 得出了叶片数的奇偶性与叶片泵的流量脉动并无直接关系,且流量脉动频率与柱塞数的奇偶性无关的结论。
- ISO/TR 3313:1998,Measurement of fluid flow in closed conduits-Guidelines on the effects of flow pulsations on flow-measurement instruments[S]. 流量测量装置用孔板、喷嘴和文丘里管测量充满圆管的流体流量[S].
- If the coefficient of engagement overlap decreases,the flow aggrandize,trapping volume and the flow pulsating ratio decreases. 随着齿轮啮合重合系数的减小,齿轮泵的流量增大,困油容积和流量脉动率减小。
- A free flow of water came from the pipe. 水从管道里通畅地流了出来。
- In convection, hot currents flow upwards. 在对流中热气流向上运动。
- After several pumps, the water began to flow. 用泵抽了几下之后,水流出来了。
- An inflow of capital is a surplus. 资本的输入是一项顺差。
- An inflow, especially a tributary. 支流一条水流,尤指支流
- The Examples as the Effect of Flow Pulsation on Flow Measurement Instrumentation 流动脉动对流量测量仪表影响的几个实例
- An inflow of water; an inflow of information. 水的内流;信息流入
- A flow of word is no proof of wisdom. 口若悬河,未必明智。
- Several conclusions flow from this hypothesis. 从这项假设中可以得出几个结论。
- Many benefits will flow from this discovery. 这项发现将带来许多好处。
- A lake fed by a freshwater inflow. 一个流入淡水的湖