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纵振动     
相关语句
  longitudinal vibration
     Calculation on Natural Frequency of the Longitudinal Vibration Rod with Cross-Coupling
     计及横向耦合的细杆纵振动固有频率计算
短句来源
     Comparative analysis of dispersion law of lattice vibration with that of the longitudinal vibration of a uniform bar
     晶格振动色散关系与均匀杆纵振动色散关系的比较分析
短句来源
     Longitudinal vibration frequencies of the first to the sixth orders modes of stepped ultrasonic horns,with and without taper-transitional section,were calculated.
     计算了圆柱截面阶梯形变幅杆的一阶到六阶纵振动模式的谐振频率,较系统地分析研究了带与不带过渡段的阶梯杆之谐振频率随其粗细段长度比和直径比的变化规律,得到了一些新结果。
短句来源
     Based on the analysis and inquity into the governing equation its solutions for the longitudinal vibration of variable cross-sectional bar,some fundamental formulas used analytically in designing and analyzing the ultrasonic vibration systems are given.
     在分析与推求变截面杆纵振动控制方程及其通解的基础上,给出了超声振动系统设计及性能分析的解析过程中所采用的一些基本公式。
短句来源
     In this paper,the energy method is adopted. By means of analyzing the effect upon the kinetic energy of vibration system caused by cross-coupling, the amended formula for natural frequency of the longitudinal vibration rod with variable cross-section is obtained.
     采用能量法,通过分析横向耦合对振动系统动能的影响,推出了变截细面杆纵振动固有频率的修正公式。
短句来源
更多       
  longitudinal vibrations
     The Design and Characteristic on the Longitudinal Vibrations System of the Composite Ultrasonic Motor
     复合型超声波电机纵振动系统的设计及其特性
短句来源
     The Research on the Longitudinal Vibrations System of the Composite Ultrasonic Motor
     复合型USM纵振动系统的研究
     In this paper,firstly the design theory about longitudinal torsional composite type ultrasonic motor is put forward Meanwhile,it is also pointed in the paper that the main reason difficult to realize the mode degeneracy of motors is the low precision of Longitudinal vibrations system model Based on the experimental research,that how the longitudinal and torsional vibrations change in the neighborhood of their resonant frequencies is analyzed,and the reason of why the resonant nonresonant frequent running motor can also output the high torque are described
     同时 ,指出纵振动系统设计精度低是导致纵扭复合型超声波电机难以实现模态简并的主要原因。 通过实验研究 ,分析了纵、扭转振动在各自谐振点附近的振动特点 ,得出谐振 -非谐振点运行的纵扭复合型USM能输出较大力矩的原因。
短句来源
  longitudinal wave vibration
     The paper presents a method of measuring Young's Modulus by means of longitudinal wave vibration and the principle is discussed.
     提出了一种利用纵振动法测量型材杨氏模量的方法,并对其原理作出了论述.
短句来源
  longitudinal vibrating
     Study of Longitudinal Vibrating Natural Frequency of Metallic Rod
     金属杆中纵振动固有频率的研究
短句来源
     Study on Longitudinal Vibrating Natural Frequency of Metallic rod
     金属杆中纵振动固有频率的研究

 

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      longitudinal vibration
    The results show a significant correlation between ES, transverse vibration DMOE (EF), and longitudinal vibration DMOE (EL).
          
    Convective flows of a nonuniformly heated fluid in a cylindrical fluid zone in a high-frequency longitudinal vibration field are studied.
          
    Dynamics of a two-fluid system in a rotating horizontal cylinder under longitudinal vibration
          
    In order to match the resonance frequencies of longitudinal vibration and torsional vibration excited in the stators, a symmetrical structure was adopted in design of the motor.
          
    A finite element model was developed using ANSYS software for the purpose of analyzing the resonance frequencies of longitudinal vibration and torsional vibration as well as the function of the adjusting rings.
          
    更多          
      longitudinal vibrations
    Ritz's method is used to solve the problem of longitudinal vibrations of an ellipsoid of revolution in a circular cylinder.
          
    Stability of convective motion in a vertical layer in the presence of longitudinal vibrations
          
    The stability of plane convective flow in a horizontal layer with a longitudinal temperature gradient under the action of longitudinal vibrations is considered.
          
    Direct and inverse problems of longitudinal vibrations in a cylindrical rod with a flaw in the form of a cavity of a small characteristic size are considered.
          
    A condition for the formation of unstable drops of an ideal liquid in a gas and bubbles in an ideal liquid at a cylindrical nozzle executing longitudinal vibrations is considered.
          
    更多          
      extensional vibration
    We propose a spiral-shaped piezoelectric bimorph power harvester operating with coupled flexural and extensional vibration modes for applications to low frequency energy sources.
          
    we propose a piezoelectric transformer, operating in thickness extensional vibration mode for step-down voltage.
          
    The maximum peak of gain G as a first mode for thickness extensional vibration occurs near 0.85 MHz at load resistance of 10 Ω.
          
    Extensional vibration of a certain type of composite circular plate with a central hole
          
    In this paper, extensional vibration of a composite circular plate consisting of two concentric circular rings in welded contact has been studied.
          
    更多          
      其他


    The Mobius trasformation is applied to anaylyze the loaded amplitude transformer in a high power ultrasonic system. Several features of the vibrating horn can be predicted from the mapping: the dependence of the input impedance on the load impedance, the points of equal impedances, the condition of resonance and the working stability Limited experimental verification has been effected.

    本文把复变数解析映象理论引用于变幅杆的研究,解决了有复数、变动负载阻抗时,变幅杆的一些特性分析问题。 文中导出了圆锥形、指数形和悬链线形等变幅杆纵振动解析解;应用Mboius变换,建立了阻抗映象图,直观地表达了变幅杆两端复阻抗对应关系及相应变化关系;讨论了变幅杆两端相对阻抗相等问题;分析了变幅杆工作稳定性;此外,应用Mobius反变换,给出了在各种负载条件下的变幅杆谐振方程,并对方程有解条件进行了讨论。 计算结果表明:现有的一些计算变幅杆谐振频率公式,均包括在本文所给结果之中。理论和验证实验结果相符合。

    In ihis paper, a longitudinal vibration problem on bars is solued in seven various ways.

    本文用七种不同的方法,求解杆的一个纵振动问题。

    Since the vibration behaviours of a piezoelectric vibration system change with an electrical load, the Vibration of such a system will be damped, when the electrical load includes a resistance component. Based on this effect, a principle of piezoelectric damping of vibration is developed.

    由于压电振动系统的振动随电负载变化而变化,当电负载含有电阻成份时,系统的振动将是阻尼的。基于此,提出了压电阻尼原理。本文中,实验研究了厚度振动和纵振动的压电阻尼结构。实验结果表明:压电材料可以成为一种新型阻尼材料,而压电振动体能用来作成一种新型阻尼器。压电阻尼器的阻尼调节控制是方便的,并可以连续调节和瞬时调节。

     
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