To detect faults of a liquid rocket engine(LRE) turbopump effectively,a turbopump fault detection approach based on rotor intrinsic frequency is presented in this paper.
为了有效地检测液体火箭发动机涡轮泵的故障,分析了某型液体火箭发动机的28次历史试车数据,得到了涡轮泵转子的一阶、二阶和三阶临界转速以及轴向固有频率的数值,研究了这4个转子固有频率幅值的稳定性及对涡轮泵故障的敏感性,得出了它们具有较强的稳定性和故障敏感性的结论。
Calculating unbalance response of rotor-bearing system is vital important in rotor dynamic device.
转子—支承系统振动不平衡响应的计算在转子动力学计算中处于重要地位,有限元法是其计算的方法之一,针对工程上的大型软件和软件包不适应小型转子系统和学校开发教学课的特点,文章尝试开发采用MATLAB计算转子-支承系统振动不平衡响应的教学课件。
SCG Rotor's Bearing System Research;
超导陀螺仪转子支承系统研究
natural frequency of rotor/bearing system
转子支承系统固有频率
The Application of Neural Network in Natural Frequency Identification of Rotor Bearing System
神经网络在转子轴承系统固有频率识别中的应用
Natural frequency and stable unbalance response analysis of rotor system for thin-film evaporator
薄膜蒸发器转子系统固有频率及稳态不平衡响应分析
Calculation of Natural Frequency of Torsional Vibrations for an Enclosed Disc Shaft System
封闭盘轴系统扭转振动固有频率的计算
Modeling for Rotor System of AC Magnetic Bearing Electric Spindle;
交流磁轴承支承电主轴转子系统建模
THE CALCULATION AND ANALYSIS OF ZEROORDER FREQUENCY OFHYDROGENERATOR RATOR UNDER TORSIONAL VIBERATION;
水轮发电机组转子轴系扭振零阶固有频率的计算和分析
Study on the Nonlinear Dynamics of a Bearing-Rotor System Having Nonlinear Bearing Stiffness;
具有非线性支承刚度的轴承—转子系统非线性动力学研究
The calculation of the intrinsic frequency of the liquid rocket propulsion system
液体火箭推进系统液路固有频率计算
Calculating natural frequency and vector of an oscillation system;
一类振动系统固有频率与固有向量的计算
The calculation of natural frequencies of stator system and electromagnetic acoustic noise of AFIR disc PM machine
AFIR盘式永磁电机定子系统固有频率及电磁噪声计算
Research on the Dynamic Response of Rotor-Bearing-Isolator System;
转子—支承—减振器系统动力学特性研究
Inherent frequency and amplitude analysis of rotor axles on flat-hammer grinding mill
锤片式粉碎机转子轴组固有频率及振幅的分析
Active Control on Vibration of Multi-Disc Flexible Rotor System Mounted on Magnetic Bearing;
磁力轴承支承的多盘柔性转子系统主动控制
Pedestal Looseness Rotor-branch and Chaos of Rolling Bearing System
支承松动的转子-滚动轴承系统的分岔与混沌
Bearing Load Direct Identification for Multi-support Rotor System
多支承转子系统轴承负荷直接识别技术研究
Simulation and Analysis of Dynamic Behaviors of a Rolling Bearing-rotor System
滚动轴承支承的转子系统动力学仿真与分析
Critical speed calculation of turbocharger rotor-bearing system
增压器转子-支承系统的临界转速计算分析
measurement of natural frequency and damping ratio of suspension
汽车悬挂系统固有频率与阻尼比的测定试验