tip speed

[tɪp spid][tip spi:d]

(桨叶)梢速(叶片)端速泵涡轮

  • I will tell you that this symbol jumps from her pens tip with such speed that it is impossible to follow the method .

    我会告诉你,这个符号从她的笔与这样的 速度,这是不可能遵循的方法 技巧跳跃。

  • To the grid connected wind turbine the purpose of controlling it working at optimal tip speed ratio or about is to capture maximum wind energy .

    对并网型风力机,控制其在额定风速下运行在最佳 叶尖 速比或其附近,主要是希望它能捕获到最大的风能。

  • The article shows the influence of tip clearance on performance at different rotate speed and investigates the flow field of high pressure ratio and high rotate speed centrifugal impeller .

    分析了一个高压比、高 转速的离心叶轮的流场,包括无 间隙和有 间隙时流道中涡和二次流的发展、 低能流体的迁移。

  • TIP : Experiences have seen many high-performance server environments ruined by using the wrong network card speed ( for example ' auto-detect ' instead of100Mb Full Duplex or Gigabit ) .

    提示:经验表明,许多高性能服务器环境都被错误的网卡 速度设置所拖累(例如,采用“auto-detect”而不是使用100MbFullDuplex或Gigabit)。

  • Variable pitch vertical axis turbines have been proposed which can markedly increase the power extraction efficiency at low tip speed through controlling the rotor blades pitch at all points of their rotation cycle .

    目前已经提出了一种变螺距垂直轴水轮机,它可以通过控制 转子在一个旋转周期上所有点的叶片间距来显著提高能量的提取效率。

  • Unlike the classical elasticity solution the magnitude of stress at the crack tip is finite and it is found that the maximum stress at the crack tip increase as the strip length and crack moving speed are increased .

    与经典理论的解答不同,裂纹 尖端应力为有限值,其最大值随长条高度和裂纹的运动 速度的增加而增加。

  • The calculation method for radial clearance of turbine blade tip considering the effect of temperature and rotational speed is developed in this paper .

    给出了考虑温度和 转速影响的涡轮 叶尖径向间隙的分析计算方法。

  • The control strategies under different wind speed have been analyzed and obtained the optimal tip speed ratio using the simplex algorithm .

    分析了不同风速下的控制策略,应用单纯形加速法确定最优 叶尖 速比

  • The line width of nanostructures is influenced by many factors such as tip curvature radius detained time in the base surface scanning speed humidity surface roughness etc.

    尖端曲率半径、 针尖在基底表面滞留时间、 针尖扫描 速度、空气湿度、表面粗糙度等均会影响纳米结构的线宽。

  • The reliability of blade is directly related to the safe operation of the entire system the rotational speed and tip speed ratio is a directly affects the performance of the wind turbine .

    叶片的可靠性直接关系到整个系统的安全运行,叶片的转速、 速比等直接影响风力发电机的性能。

  • Based on the model the paper studies how to design wind turbine controller enables the system operating in the vicinity of the maximum power point when the wind speed below the rated wind speed . That is the tip speed ratio lies in the optimal value .

    在建立的模型基础上,研究了当风速在额定风速以下时,如何设计控制器使得风力机运行在最大功率点附近,也就是说将 叶尖 速比控制在最佳值。

  • Combined with the simulation results and the vertical axis of the impeller tip speed ratio theory that is required to improve the transmission speed increasing ratio in order to meet the project of Hydropower for water flow energy with low water speed .

    结合仿真结果以及垂直轴叶轮 叶尖 速比的理论推导,表明需提高变速箱增速比,才能符合水流发电装置低水速运行的要求。

  • Tip clearance effects in a lower speed axial compressor

    某轴流压气机 叶尖间隙效应实验研究

  • The blade tip speed is limited to subsonic . The formulation is based on the FW-H equation .

    本方法是基于对FW-H方程的准确求解,并限制螺旋桨 叶尖相对 速度为亚音速。

  • Application Research of PLC on the Casting Tip Stream Distribution Control System for Thin - Gauge High - Speed Roll Casting

    PLC在超薄快速 轧铸 流控制系统中的应用研究

  • The influence of solidity and aspect ratio on power coefficient of H-type vertical axis wind turbine and the change of attack angle with tip speed ratio were analyzed .

    采用多流管模型分析了H型垂直风力机展弦比和实度对其功率系数的影响,并对叶片旋转过程中攻角随 速比的变化进行了分析。

  • A conventional fixed pitch vertical axis turbine cannot usually start rotating on its own and only is able to work efficiently at very high tip speed ratios . As a result a self-start motor will be required .

    而传统的定桨距垂直轴水轮机构通常不能够独立的启动旋转且只能在非常高的 速率下有效地工作,因此自启动马达是必需的。

  • The results show clearly that the cutting temperature will be reduced when use magnetized HSS tool and the effect will become more notable when the cutting tool tip is in the N magnetic pole condition at lower cutting speed about 5m / min.

    试验结果表明,刀具被磁化确实使切削温度有所降低,且当刀 为N极并在 低速下(V≈ 5m/min)切削时,效果尤为显著。

  • Study of Suitable Tip Relief of High Speed High Load Involute Spur Gears

    高速重载渐开线圆柱直齿轮适宜 缘量的研究

  • The Euler / Kirchhoff method is adopted to calculate the far field noise of UH-1H rotor and the calculated results are compared with the measured data . The effect of rotor blade tip shape on high speed rotor noise is investigated .

    采用CFD与计算声学相结合的EulerKirchhoff方法对 UH-1H直升机旋翼跨 声速悬停流动的远场噪声进行定量计算,并将计算结果与实验值进行比较,验证了EulerKirchhoff方法的正确性。

  • A three dimension numerical simulation software named NUMECA ( numerical mechanics application ) was used to calculate the tip clearance flow of fan / compressor . The flow field performance under design speed condition was obtained .

    使用三维数值模拟软件NUMECA(NumericalMechanicsApplication)对双涵道风扇/增压级带 转子 叶尖间隙的粘性流场进行了三维定常流动数值模拟,获得了其设计 转速下的流场特性。

  • The three-dimensional flow field inside the tip region of a low speed large-scale axial-flow compressor rotor at near stall condition was measured with the help of a five-hole conical probe drived by a rotating four-coordinate probe traverse mechanism .

    低速大尺寸压气机实验台上,借助于旋转四坐标探针位移机构,用锥形五孔探针测量了压气机近失速状态下,转子叶片通道后段 区内的三维流场。

  • It also introduces current Tip speed ratio method and Variable-step hill-climbing method and proposes a fixed wind speed as a new method of pursuing maximum wind power : the golden ratio method .

    接着介绍了当前流行的 叶尖 速比法和变步长爬山法,提出额定风速下新的最大风能追踪方法:黄金分割法。

  • The simulation results show that the wind turbine operates with the best tip ratio speed under rated wind speed . The proposed control method has better control performance .

    仿真结果表明,在额定风速以下风力机能够有效地保持最佳 叶尖 速比 运行,所提出的分数阶PIλ控制方案具有更好的控制效果。

  • And this paper analysis and research the whole system and establish mathematical model result in which the changing power-load adjusting is the control way of the best Tip Speed Ratio .

    本文分析研究并建立系统数学模型,根据系统模型确定最佳 叶尖 速比的控制采用可变功率负载调节方法。

  • Simulation results show that the fuzzy Control System had tracked of the best tip speed ratio when the wind speed is low and get a stable output power when the wind speed is high .

    仿真结果证明,模糊控制系统在低风速时很好的跟踪了最佳 叶尖 速比,在高风速时得到了稳定的输出功率。