2) Power factor
功率因数
1.
Principle and approach to improve power factor of induction furnace of intermediate frequency;
一种提升中频加热炉功率因数的原理及方法
2.
Design and experiment of high power factor converter on arc welding inverter power source;
高功率因数弧焊逆变电源的整流器设计与实验
3.
The Method of Group-Control for Electronic Ballasting of the High Power Factor;
高功率因数电子镇流的群控方法
3) power factors
功率因数
1.
The designing of switch power source high power factors converter;
开关电源高功率因数变换器设计
2.
Methods are explored to improve power factors of ion membrane of the rectifying device through control of the conduction angles.
介绍了整流装置的功率因数的特点,分析了导通角的控制方法。
3.
By analysing the short net power factors and electricity pressure lowered of silicon furnace,it expounds the influences to efficency of voltage trans-ferance and production electricity consumption caused by short net function,it also discusses the method of improving short net funtions and achivements made.
通过对硅铁炉短网功率因数和电压降的测试分析指出了短网性能对电能输送效率以及产量电耗的影响 ,探讨了改进短网性能的方法和所取得的效果。
4) Power coefficient
功率准数
1.
It expounds the form principle to flow state in the installation of mixer, and puts forward an power coefficient of the installation of mixer to Re>10 4,briefly explains the superiority and applying scope to installation of mixer.
阐述了中心龙卷流型搅拌槽的流场形成机理 ,给出了该搅拌槽在 Re>1 0 4 时的功率准数 ,概括说明了其优越性及适用范围。
5) power number
功率准数
1.
The power numbers of different velocity and methods of calculation are observed and compared.
采用标准k-ε湍流模型成功模拟了搅拌槽内的流动分布,考察不同搅拌转速和不同计算方法下搅拌桨的功率准数。
2.
The variations of the power number,flux number and the hydrodynamic loss of the propeller.
分别对盘管层数为0,4,14,16,18,20,22层的流场进行了数值模拟,计算了7种情况下的功率准数与循环流量准数,计算结果与实验数据基本一致。
3.
The calculation formulas of power number,flow number of axial flow impeller and distribution of dissipated energy in stirred tank are derived according to the equations of force and momentum balance.
从搅拌桨的力与力矩平衡这两个基本方程出发，推导出轴流桨功率准数、流量准数与搅拌釜内能耗分配的理论计算式，并计算了桨叶的叶片安放角、盘面比、叶片形状、翼型、叶片的相对厚度、轮毂比对桨叶性能的影响。
6) power coefficient
功率系数
1.
Optimization of flat V tip vane geometry parameters were tested to upgrade power coefficient of wind turbine C_p.
为提高风力机的功率系数Cp,对平板V型小翼的参数进行了优化试验。
补充资料：功率数
分子式：
CAS号：
性质：又称功率准数。搅拌叶轮搅拌功率与流体密度、叶轮转速的立方及叶轮直径的五次方的比值。它表示搅拌叶轮的功率特性。
CAS号：
性质：又称功率准数。搅拌叶轮搅拌功率与流体密度、叶轮转速的立方及叶轮直径的五次方的比值。它表示搅拌叶轮的功率特性。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条