The belt driven pump runs at low speed for an extended life.
皮带驱动的泵低速运行，以便延长寿命。
The experimental results and design theory for low-specific-speed centrifugal pump with splitter blades are detailed.
详细地综述了国内外长短叶片离心泵的试验研究、设计理论研究方面的成果及现状。
Especially the flow of compound impeller in the centrifugal pump at low specific speed is more complex and has more problems need urgently to resolve.
尤其是低比转速复合叶轮离心泵内部的流动更加复杂，亟待解决的问题也更多。
The characteristics of low specific speed centrifugal pump are introduced, and the grid generation method for impeller passageway and the governing equations of calculation are also expatiated.
简要介绍低比速离心泵特点，阐述计算的控制方程和叶轮通道网格划分方法。
Transport high viscosity medium, low speed pump to be elected, if the low viscosity, the corresponding high-speed selectable.
输送高粘度介质时，泵应选低转速，若粘度较低，相应可选择高转速。
It is resolved that design condition efficiency for low specific speed centrifugal pump is not the highest in terms of experiential statistical area ration value.
解决泵行业一直依据经验统计值确定面积比而不能使低比转速离心泵在设计点效率最高这一问题。
After thoroughly analysing the details of the ultra low specific speed pump, a series of experiment studies are carried out.
因此，针对超低比转速泵的具体情况，进行了提高汽蚀性能的试验研究。
Multileaf foil bearing, instead of ball bearing of turbo-pump in rocket engine, has many important advantages including long life, high speed and low energy loss.
用多叶箔片轴承取代火箭发动机涡轮泵上的滚珠轴承具有工作寿命长、工作转速高、能量损失小等重要优点。
And also puts forward improving measures for reducing hydraulic loss in suction piping and installing low speed prime pump in suction system.
在合理确定吸入系统的装置方面，提出了减少吸入管路的水力损失和在吸入系统安装低速前置泵的改进措施。
TQGD series vertical low rotation speed centrifugal pump is applicable for occasions with low requirements for environment noise, air-conditioning circulation, etc.
TQGD系列立式低转速离心泵，试压泵适用于环境噪声要求很低的场合及空调循环等。
If the high viscosity pump medium viscosity is too high, and with the rotation speed is too high, will cause the pump flow rate is very low, the noise of the pump is very large.
如果高粘度泵输送的介质粘度过高，而所配的转速也过高的话，就会造成泵的流量很低、泵的噪音很大。
Results of this thesis provide guiding significance to waterpower design of impeller of the low specific speed centrifugal pump.
对低比转速离心泵叶轮的水力设计具有一定的指导意义。
Swirl pump is compact, light weighted and no speed-adjusting device needed, no friction except bearer, low noise, no water and no oil in the output air.
旋涡气泵结构紧凑，体积小，重量轻，不需变速装置，除轴承外其它部位没有直接接触磨擦，噪音低，送出的气源无水无油。
Motor's speed is low, the balance of impeller is good, the axial force is balanced by water power, so the pump features light tremor, low noise and smooth operation.
采用低转速电机、良好的叶轮平衡及水力平衡轴向力使机组具有噪音低、震动小、运行平稳的特点。
Based on the low-specific speed centrifugal pump model of IS 50-32-160, two impellers are designed with and without splitter blades.
基于低比速离心泵is 50 - 32 - 160模型，对有、无分流叶片的设计方案全流场进行了数值模拟和对比分析。
Aimed at the conflicts of high speed, high precision and low noise, the improved design for structure joint ways of the motor and variable pump was proposed.
针对高速度、高精度和低噪声之间的矛盾，提出了对电机和泵联接方式的结构改进设计。
The pump system provides the additional fuel flow necessary to overcome this leanness and maintains smooth engine operation during rapid low-speed acceleration.
加速装置为这种情况提供额外的燃油，从而客服这种问题，使发动机在加速过程中平顺工作。
In this thesis, a high-speed, low-power and third-order current-mode charge-pump PLL is designed according to the CDMA standard by in-depth analyzing and researching the principle of PLL.
通过对锁相环原理进行深入的分析和研究，本论文针对CD MA无线通信标准，设计出了高速低功耗三阶电流型电荷泵锁相环。
Based the brake horsepower characteristics of low specific speed centrifugal pump and the required features of pumps used for agriculture, the concept of non - overload centrifugal pumps is conceived.
针对农用泵(运行工况多变且出口无流量调节阀)的特点和低比转速离心泵的轴功率在大流量区运行易过载的特性，提出了无过载离心泵的概念。
The vibration and noise of the pump. 7 because the rotary inertia force component inside the pump is low, can work under high rotation speed.
⑥泵的振动和噪声极小。 ⑦因为泵内的回转部件惯性力较低，可在高转速下工作。
The vibration and noise of the pump. 7 because the rotary inertia force component inside the pump is low, can work under high rotation speed.
⑥泵的振动和噪声极小。 ⑦因为泵内的回转部件惯性力较低，可在高转速下工作。
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