pump curve

Through calculating friction factor and operating point of pump or fun of two examples on fluid mechanics, methods using solver and curve-fitting in EXCEL were introduced.

通过对流体力学中沿程阻力系数和泵与风机工作点等问题的求解，介绍了EXCEL单变量求解器和曲线拟合的方法。

Through experiments, drawn different evaporation temperature heating water temperature curve, curve and thermal heat pump heat pump COP curve, then analysis the heat pump operating conditions. 3.

通过实验，绘出不同蒸发温度下加热水箱的温度变化曲线、热泵制热量变化曲线与热泵COP变化曲线，进而对热泵的运行工况做出分析。

Centrifugal pump performance curve can be used as the basis for pump selection.

离心泵的性能曲线可作为选择泵的依据.

After comparing the speed of rotation time-domain curve diagram of the motor with the ideal curve diagram, we gain the result that the dynamic characteristic of this pump-controled motor system is bad and unstable.

通过比较仿真后的马达转速时域曲线图和理想的马达转速时域曲线图，得出该泵控马达系统的动态性能和稳态性能差的结论；

According to the results of noise test, the effect of stator curve to automobile power steering pump noise were analyzed.

根据噪声测试结果，分析定子曲线对转向泵噪声影响。

Effect of stator curve to automobile power steering pump noise

定子曲线对汽车动力转向泵噪声的影响

Are provided for the actual pump performance curve is a smooth curve.

其实际是规定了水泵的性能曲线是一条平滑的曲线.

This paper reports the study on the cam ring curves of 10 vane power steering pump. It demonstrates that the composite curve is advantageous in good kinematic behavior and low flow ripple.

研究了10叶片式转向泵的定子曲线，指出分段组合曲线不但运动学特性较好，而且其流量脉动显著降低，有推广应用价值。

With the analysis of forming mechanism of the actual Quantity-Head curve of centrifugal pump, the relation of slope and hump of theoretical Quantity-Head curve of centrifugal pump was derived mathematically, and the relation of specific speed and curve slope was presented.

分析了离心泵实际流量扬程曲线的形成过程，数学推导了理论流量扬程曲线斜率与驼峰的关系，提出了比转速与斜率大小的关系曲线。

For improving the motion characteristics of stator and hence reducing the noise level and enhancing the performance and service life of power steering pump, a reverse method is used for curve fitting of stator contour according to the manufacturing technologies of stator.

根据定子加工工艺现状，采用反求法对定子曲线进行拟合，改善了定子的运动特性，从而降低了泵的噪声，提高了泵的性能和寿命。