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critical speed 临界速率,临界转速

  • The real-time flutter boundary prediction system predicts the critical speed of flutter during the course of airplane′s flutter test.

    实时颤振边界预测系统主要用于完成飞机试验过程中临界速度预测

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  • The AMA with constant voltage source exhibits damping character, while with constant current source it provides only a negative stiffness that lowers the critical speed of the rotor system.

    提供电源,控制执行器提供刚度,从而使整个支承刚度降低转子临界转速下降,此时宜采用变刚度控制

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  • The results demonstrated that laser can increase undercut critical speed of hybrid welding, which reaches 5 times than that of arc welding with appropriate welding parameters.

    结果表明激光能够提高复合焊接临界咬边速度,最高电弧焊接5

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  • The investigation shows that moment of gyro force raises critical speed of shaft greatly, but magnetic pull reduces the critical speed.

    研究表明陀螺力矩使轴系临界转速显著提高拉力使临界转速降低

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  • The results of the wind tunnel test show the flutter critical speed of the wing model increases by 37% after the implementation of AFS system.

    风洞试验结果说明采用主动抑制控制系统机翼临界速度提高37%。

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  • Therefore, the calculation of critical speed of anisotropic supporting rotor-bearing system of the PMSM is a typical mechanical and electrical coupling problem.

    因此永磁同步电动机转子-轴承系统临界转速计算一个典型机电耦合问题

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  • Because of the complexities in geometric forms of the axle and the supporting Patterns, most of the calculations of the critical speed of turning axle are difficult.

    由于几何形状支承方式复杂性转轴临界转速计算中的许多问题,困难问题。

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  • The effects of bearing damping, axial Reynolds numbers and seal parameters on the critical speed of instability are investigated and the results can be utilized for turbopump rotor-seal system design.

    分析轴承阻尼轴向雷诺数以及密封各参数两种支承下对系统临界失稳角速度影响

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  • In this paper, first, the concepts of the bend-rigid critical speed and bend-flexible critical speed of rotors are presented, and then the concept of a semi-flexible rotor is presented.

    本文提出弯曲刚性临界转速弯曲挠性临界转速概念然后提出挠性转子概念

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  • Secondly, use transfer matrix arithmetic to have finished the relative program to calculate the critical speed of flexible multi-tray rotor bearing system by MATLAB language.

    采用MATLAB语言编制传递矩阵计算转子-支承系统临界转速

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  • The paper determines the rational range of a new spiral rotary drum's rotation speed through theoretically analyzing the critical speed of the drum in a coal machine.

    通过对采煤新型变升角螺旋滚筒极限转速理论分析确定该种新型螺旋滚筒转速合理范围

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  • The paper theoretically analyzes the critical speed of the rotor system of a vertical impact crusher by use of the vibration theory, and the analyzed result is verified by experiments.

    采用振动理论,对立式冲击破碎机转子系统临界转速进行理论分析进行实验验证

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  • This paper presents the method of broad-sense original parameter of continuous body of elasticity for calculating the critical speed of rotor system.

    本文提出弹性连续广义参数计算转子系统临界转速

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  • The locating stiffness of the axle-box pull rod has an important relation with the dynamics performance of the locomotive, it also has a very big influence to the critical speed of the locomotive.

    轴箱拉杆定位刚度机车动力学性能密切相关同时机车临界运行速度很大影响

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  • On the data obtained from the measurement and analysis, the shaft's flexibility, one-sided magnetic pull and the critical speed of shaft of the electrical motor are computed.

    根据已知数据计算电机转轴挠度单边拉力电机临界转速

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  • According to this article , ' Building-Block' transfer matrix was an ideal method for calculating the critical speed of a single or twin rotor system .

    积木传递矩阵一种用于计算转子系统临界转速理想方法

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  • The influences of impeller types, baffle configurations and gas sparger on critical speed of floating particle in an agitated vessel were investigated.

    探讨搅拌桨挡板气体分布器等结构因素及气体流量、颗粒质量分数等工艺因素下沉颗粒三相体系临界搅拌转速影响

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  • It shows the effect of main design parameters of bogies to the critical speed of cars. And car performance obtained from it is compared with that of cars with common bogies.

    模型显示转向架主要设计参数车辆临界速度影响由此获得车辆性能常规转向架车辆性能进行了比较

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  • The result shows that with the increase of fluid viscosity, the critical speed of the reservoir rock of middle and low permeability and medium and strong consolidation decre

    结果表明流体粘度增加中等强度胶结胶结渗透率岩石临界速度降低,弱胶结渗透率岩石临界速度降低敏损害程度增强。

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  • In this paper, the critical speed of the rotor system on new model high speed vertical im-pact mill is analysed with Transfer Matrix Method and the working speed of the rotor system is designed.

    利用传递矩阵方法立式高速冲击粉碎机转子系统进行临界转速分析对其工作转速进行了设计

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  • The planetary mill can be used for the ultrafine comminution, when the mechanism size of the mill is determined, the escaping position of the critical speed of the grinding ball will not be changed.

    行星式球磨机可以用于磨矿结构尺寸一旦确定脱离筒壁临界转速脱离点位置不会改变

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  • The research results show that the non-linear critical speed of the rail car is fairly high, with fairly big stability margin;

    研究结果表明轨道非线性临界速度较高具有较大稳定性裕度

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  • The study shows that the bearing stiffness has significant impact on the critical speed of rotor. The critical speed can be adjusted by changing bearing stiffness and material properties.

    研究表明,磁力轴承刚度转子临界转速影响很大可以通过改变磁力轴承刚度转子材料调整临界转速

    lib.cqvip.com

  • The study shows that the bearing stiffness has significant impact on the critical speed of rotor. The critical speed can be adjusted by changing bearing stiffness and material properties.

    研究表明,磁力轴承刚度转子临界转速影响很大可以通过改变磁力轴承刚度转子材料调整临界转速

    lib.cqvip.com

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