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power coefficient     
相关语句
  功率准数
     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。
短句来源
  功率系数
     As the blade top speed ratio is 2, the power coefficient of NACAZ2 blade is 1.16 times than that of NACAZ1 blade.
     在叶尖速比为2时,NACAZ2叶片的功率系数比NACAZ1的大16%。
短句来源
     This article advences. the formulas determining the transmission power Po of single common V belt by using power coefficient method and gives some specific values of the power coefficient K_1, K_2, K_3 suiting practical situation according to the present data table Po in China.
     提出用功率系数法确定单根普通V带传递功率P_o的公式,并依据P_o数据表,给出符合我国情况的功率系数K_1,K_2和K_3的具体数值。
短句来源
     Concept and calculation method of synthetic power coefficient are proposed.
     提出了综合功率系数概念及计算方法。
短句来源
     Experiment verifies that the power coefficient of NACAZ2 blade is maximum, and the power coefficient of NACAZ3 blade is close to that of NACAZ2 blade. The power coefficient of NACAZ2 blade is 37% bigger than that of NACAZ1 blade at blade top speed ratio 2. The calculation and experimental results indicate that the synthetic capabilities of NACAZ2 blade are better, which behaves as bigger torque coefficient, quicker start-up and greater power output at the same wind speed.
     实验表明:NACAZ2的功率系数最大,NACAZ3的功率系数与NACAZ2的相近,叶尖速比为2时,NACAZ2的功率系数比NACAZ1的大37%。 具有NACAZ2叶片的实验涡轮启动性能好,输出功率较大,综合性能较优。
短句来源
     It is very important for the decrease of the composite power coefficient to increase power density, especially increase volumetric power density.
     提高功率密度特别是提高体积功率密度对于减小综合功率系数非常重要。
短句来源
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  动力系数
     Two problems from actual usage are discussed in this paper: the first is the calculation method of short circuit torque of electric machine and the second is how to consider the power coefficient at sudden load affecting.
     本文从用户角度出发,探讨了下述两个问题:一是电机短路转矩的计算方法; 二是如何考虑载荷突然作用时的动力系数问题。
短句来源
  风能利用系数
     By experimental validation of generator output characteristic, the start-up wind speed of the rotor is 3.5m/s. When the natural speed is 7.4m/s, the maximum rotor power coefficient is 0.40 and the output power is 313.9W;
     经风力发电机输出特性的实验验证,螺旋桨式叶轮起动风速为3.5m/s,在自然风速为 7.4m/s 时,风能利用系数最大为 0.40,输出功率达 313.9W;
短句来源
     TheRotor Power coefficient of this turbine set is 0.598 and the efficiency of thecomplete turbine set is 0.454.
     该机的风能利用系数为0.598,整机效率为0.454。
短句来源
     The results show, for pitch-controlled wind turbines, that power coefficient is higher, and load is lower at high wind speed.
     结果表明,变距型风力机风能利用系数高,在高风速时所受的载荷小。
短句来源
     The result shows, for pitch controlled wind turbine rotor, higher power coefficient is obtained at low wind speed, output of power keep constant and the load of blade and drive train is significantly reduced at high wind speed.
     结果表明,变距型风力机不仅在低风速时有较高的风能利用系数,而且在高风速时功率输出稳定,并显著的改善了风力机叶片和传动链的受力状况。
短句来源
     Compared with fix-pitch wind turbine, the variable-pitch wind turbine has the virtue : stable output power over rated power, high wind power coefficient, holding rated power at high wind speed, good starting and shut-off etc.
     变桨距风力发电机组与定桨距风力发电机组相比,在额定功率点以上输出功率平稳、具有较高的风能利用系数、能够确保高风速段的额定功率、起动性能与制动性能好等特点。
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  power coefficient
The thermoelectric power coefficient has been determined in this investigation to be a rapid and accurate measurement that can be used for microstructural assessment and correlated to achieve the maximum material performance of structural alloys.
      
Two-dimensional FDTD calculations allow us to design a waveguide that presents a transmitted band between 1240 and 1610 nm with a power coefficient of 90%.
      
Absorption power coefficient ranged from a minimum value of 0.0004 to maximum value of 0.1585 at a seat temperature of 1150 K over the plume depth.
      
The reflection power coefficient for different parameters of the beam and the screen is given.
      
The power coefficient(Cpd0) of DAWT reaches 1.5 at C0 ? -0.5,No ? 1.0 andCr ? 0.5, but the augmentation ratio(Rb) reaches 6.0 at C0 ? -0.5,Cr ? 0.9, and reaches 7.0 atNo ? 1.0 and Ct ? 1.0, which gives a good application for DAWT systems.
      
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