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影响系数法
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  influence coefficient method
    The procedure of rotor balance recommended in this paper is based on influence coefficient method.
    本文研究的转子动平衡技术主要采用影响系数法。 考虑到现场动平衡的需要,在如下三个方面进行了改进:
短句来源
    Influence coefficient method which is successfully used in field dynamic balancing is selected as imbalance calculating method. It only need to measure the output
    影响系数法是一种现场动平衡的方法,不平衡量的分析处理及影响系数法的编程首先采用MATLAB实现,然后采用VC++和MATLAB混合编程的方法转换成cpp代码,嵌入到整个动平衡控制系统中。
短句来源
    High speed dynamic balancing experiments have been accomplished in good quality with a long slender flexible rotor by using creatively the influence coefficient method and self-designed and manufactured balance collars.
    在试验过程中 ,创造性地应用影响系数法和自行设计加工的精密平衡卡箍 ,高质量地完成了细长柔性转子的高速动平衡试验。
短句来源
    It is solved based on Euler/N-S equations with cell-centered finite-volume algorithm. The structure deformation is calculated by a structure influence coefficient method. We use a triangle area weight method and a constant volume transformation(CVT) method to solve the fluid-structure interaction problem.
    在C-H网格的基础上,采用Jam eson的中心差分有限体积法求解Eu ler/N-S方程,采用结构影响系数法计算结构的弹性变形,用三角元面积加权法和常体积转换法(CVT)实现流固耦合,计算了弹性后掠机翼在跨音速状态的静气动弹性问题
短句来源
  “影响系数法”译为未确定词的双语例句
    According to the characteristics of precision centrifuge mechanical structure, the precision centrifuge dynamic balancing system was realized.
    本文针对精密离心机机械结构的特点,用影响系数法对精密离心机进行动平衡。
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  influence coefficient method
In case of high concentrations C increases the intensity of Cr.3.The influence coefficient method based on the solution of overdetermined linear equation systems does not lead to useful results if the calibration data set is treated by groups.
      
In this paper, an active balancing device, which is of an electro-magnetic type, has been developed and an active balancing method using the influence coefficient method is proposed.
      
Selected reaction coefficients are calibrated by an optimization technique based on influence coefficient method.
      


Some simple dynamic balance methods of rotor systems are investigated These methods featuring simplicity and ease without recourse to any complicated instrumentation and calculation system are particularly suitable for rotor balance in field. The simple rotor balance method with influence coefficients and that with least quadratic are presented. The balance problems of rotors with non-axisymmetrical support stiffness and for rigid rotor systems in field are also discussed. Some practical examples prove the methods...

Some simple dynamic balance methods of rotor systems are investigated These methods featuring simplicity and ease without recourse to any complicated instrumentation and calculation system are particularly suitable for rotor balance in field. The simple rotor balance method with influence coefficients and that with least quadratic are presented. The balance problems of rotors with non-axisymmetrical support stiffness and for rigid rotor systems in field are also discussed. Some practical examples prove the methods presented are applicable.

本文研究了只用简单仪器和工具的简易本机平衡法。提出了平衡柔性转子的简易影响系数法,简易最小二乘法,支承异性转子的本机平衡法以及刚性转子的简易本机平衡法等。

In this paper, a statistical model of random atmospheric density as a function of latitude, altitude and time (month), below an altitude of 90km and along the return trajectory of satellite, has been developed.The sample of random atmospheric density generated by the model has been used in Monte Carlo trajectory simulating. By statistical analysis of samples of return trajectory parameters obtained in trajectory simulation, the effects of random atmospheric density variance on return trajectory parameters has...

In this paper, a statistical model of random atmospheric density as a function of latitude, altitude and time (month), below an altitude of 90km and along the return trajectory of satellite, has been developed.The sample of random atmospheric density generated by the model has been used in Monte Carlo trajectory simulating. By statistical analysis of samples of return trajectory parameters obtained in trajectory simulation, the effects of random atmospheric density variance on return trajectory parameters has been learned. Also, this paper deals with the "method of influence coefficients" used in evaluating approximately the effects of random atmospheric density variance on return trajectory parameters.

本文在考虑大气密度(90km高度以下) 随地理纬度、高度及时间(月份)随机变化的基础上,沿卫星的返回轨道建立了随机大气密度的统计模型。并应用该模型产生的随机大气密度样本,进行返回轨道的Monte Corlo法模拟计算。通过对模拟计算得到的返回轨道参数样本的统计处理,本文分析了大气密度变化对卫星返回轨道参数的影响。另外,本文还介绍了近似估计大气密度变化对返回轨道参数影响的影响系数法

A series of experiments are performed in the NASA Lewis Transonic Oscillating Cascade Facility to provide fundamental data quantifying the high subsonic and transonic steady and oscillating aerodyna mics of a biconvex airfoil cascade at realistic reduced frequency values for all interblade phase angles.This is accomplished by developing and utilizing an unsteady aerodynamic influence coefficient technique in which only one cascaded airfoil is oscillated...

A series of experiments are performed in the NASA Lewis Transonic Oscillating Cascade Facility to provide fundamental data quantifying the high subsonic and transonic steady and oscillating aerodyna mics of a biconvex airfoil cascade at realistic reduced frequency values for all interblade phase angles.This is accomplished by developing and utilizing an unsteady aerodynamic influence coefficient technique in which only one cascaded airfoil is oscillated at a time.The vector summation of the resulting airfoil surface unsteady pressures measured on a dynamically instrumented airfoil enables the unsteady aerodynamics of an equivalent cascade with all airfoils oscillating at any specified interblade phase angle to be determined.

为了提供双凸翼型叶栅在所有叶间相位角及实际折合频率下高亚音和跨音定常和振荡气动性能的基本数据 ,在 NASA路易斯研究中心的跨音振荡叶栅试验设备上进行了一系列试验。为了进行该试验 ,研制出并使用了非定常气动影响系数法 ,即叶栅中一次只有一个翼型振荡 ,测出该振荡翼型与邻近静止翼型上非定常压力的矢量和 ,藉此就能确定在特定叶间相位角下相当于全部叶片振荡的叶栅的非定常气动性能。

 
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