功率准数Np,power number Np英语短句,例句大全

功率准数Np,power number Np
1)power number Np功率准数Np
1.We obtain the calculation formula such as power number Np and pumping number Nqd by means of existing experimental data combined with the hydrodynamics cardinal equation.总结概括了目前搅拌设计要点,利用现有试验数据并结合流体力学基本方程,获得了关于搅拌功率准数Np及排量数Nqd等搅拌参量的理论计算公式,便于分析研究搅拌规律。
2)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。

英文短句/例句

1.Correlation of the Power Number of Helical Ribbon Agitator for Powdery Polypropylene聚丙烯固体粉料螺带搅拌器的功率准数关联
2.The power factor (pf) is the ratio of average power to apparent power.功率因数是有功功率与视在功率之比。
3.The Design of Doherty Power Amplifier in Digital Repeater Based on WCDMA Standard基于WCDMA标准的数字直放站Doherty功率放大器设计
4.Power Factor Power factor is the cosine of the angle between the actie power( kW) and apparent power( kA) in a circuit.功率因数功率因数是电路中有功功率(W)视在功率(A)间夹角的余弦值。
5.power coefficient功率系数，动力系数
6.auto-log digital power meter自动对数数字式功率计
7.Method of Setting Power Matching Coefficient for PSS2B Model of IEEE加速功率型PSS功率匹配系数的整定
8.Usually, it is difficult to compute the power-factor of DC drive electric locomotive, furthermore, the outcome is not exact.通常情况下计算直流传动电力机车的功率因数较为困难,而且计算出来的数值不甚准确。
9.Automatic compensation load reactive power, enhancing the load power factor.自动补偿负荷无功功率，提高负荷功率因数。
10.Power Factor and Wattless Power Compensation;浅析功率因数及无功功率补偿之间的关系
11.statistical sound power absorption coefficient统计声功率吸收系数
12.reactivity power coefficient【原物】反应性功率系数
13.spare coefficient of motive-power machine动力机功率备用系数
14.Reflected power coefficient of a radome天线罩功率反射系数
15.reactivity to power transfer function反应性对功率传递函数
16.o8L6zylo8n;Dj J"N6Tihl"K:DaxK_z,Lyc零功率反应堆响应函数
17.An amount of power, especially electric power, expressed in watts or kilowatts.瓦数功率数量，尤指电功率，用瓦特或千瓦表示
18.Power Factor Power factor is the cosine of the angle between the active power( kW) and apparent power( kVA) in a circuit.功率因数功率因数是电路中有功功率(W)视在功率(VA)间夹角的余弦值。

相关短句/例句

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。
3)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。
4)quasistatic power coefficient准静态功率系数
5)N-P criterionNP准则
6)normalized power spectrum density function标准化功率谱密度函数