Two thrust bearings vibration transfer characteristics are studied.
针对目前舰船上大多采用的米契尔式推力轴承所带来的振动问题,提出采用新型法兰盘式推力轴承的思路;对两型推力轴承推进轴系的振动传递特性进行对比分析;结果显示:两型推力轴承推进轴系的纵向振动特性相似,但法兰盘式推力轴承能有效衰减推力轴承基座振动向船体的传递,具有较好的减振降噪效果。
This paper presents a network model of a vibration transfer system in multi input and multi output, and also proposes a maximum capacity algorithm of finding N mainpaths in a vibration transfer system.
建立了多输入多输出振动传递系统的网络模型,并给出了求N条振动传递主途径的最大容量算法。
This paper establishes the network optimization model and mathematical programming model of a vibration transfer system with multi input and single output, presents a stage maximum flow algorithm of finding the total vibration transfer information, and discusses the properties and characteristics of a most common vibration transfer system with multi input and single output.
建立了多输入单输出振动传递系统的网络优化模型和数学规划模型,给出了一种求振动传递总信息的分层极大流算法。
Varying the excitation position,the characteristics of vibration transmission for the two aforementioned typical connection structure between double cylindrical shell are evaluated by two indexes,viz.
基于有限元方法分析了在径向简谐点力作用下,支柱-托板式连接和实肋板式连接时水下双层加筋圆柱壳的稳态振动响应,进而通过壳体径向面均方速度级比、径向等效机械阻抗两个指标,分析了激励位置变化时,两种典型连接方式下的双层加筋圆柱壳层间结构的振动传递特性,研究表明所定义的指标能够有效的对双层圆柱壳的振动传递特性进行评估,径向简谐点力激励位置的改变对支柱-托板式连接的双层加筋圆柱壳的振动传递特性影响较实肋板连接时相对明显,但激励位置改变对内外壳间振动能量传递的影响总体较小,选用合适的结构尺寸参数,亦可使实肋板式连接结构的振动性能不弱于、甚至优于支柱-托板式连接结构。
The experimental investigation of vibration transmission for propeller was performed by using hammering method.
建立了某型螺旋桨的传力结构与动力学模型,对其振动传递路径进行了分析;采用锤击方法进行了螺旋桨振动传递试验研究,得到了由螺旋桨到功率输出机匣的振动传递率,应用该振动传递率对功率输出机匣测量振动进行了修正,并将其结果用于螺旋桨叶片振动应力计算。
Vibration transmissibility of polystyrene (EPS) packaging pillow combined with corrugated paperboard is researched using vibration table and sinusoidal scan technique.
测试在不同静应力下的频率响应曲线,探讨其固有频率和振动传递率与静应力之间的关系,所得数据对指导家电产品包装设计有一定实际意义。
By choosing appropriate feedback variables and feedback gains, the vibration transmissibility and efficiency of electromagnetic vibration feeders can be markedly improved by a hybrid vibrat.
采取被动隔振后,可使振动传递率降低,从而减少其振动对周围其它工作机械的影响,但同时也降低了振动给料机的工作效率。
In order to provide reference data for utilizing honeycomb paperboard in vibration-proof packaging design,vibration transmissibility of honeycomb paperboards with different thickness are experimentally investigated under sine wavelength of diverse frequency .
针对不同厚度的蜂窝纸板在正弦变频振动测试中的加速度传递,绘制其不同衰减系数的振动传递率曲线,为蜂窝纸板在防振包装设计中的应用提供参考数据。
Research on Vibration Transmissibility of Doubled-Wall Corrugated Paperboard;
双瓦楞纸板振动传递特性研究
The vibration transmissibility of the conical shell with composite material honeycomb structure is investigated by modal experiment and vibration table experiment.
通过模态试验和振动台试验,对复合材料蜂窝结构锥形壳的振动传递特性进行了研究。
In order to provide basic data for utilizing honeycomb paperboard in cushioning and vibrationproof packaging, dynamic cushioning property and vibration transmissibility of honeycomb paperboards with different thickness are experimentally investigated on the drop shock machine and vibration table.
试验结果表明:蜂窝纸板的动态缓冲曲线呈凹谷状,开口向上,只有一个极小值点,冲击加速度波形近似于半正弦波,冲击作用时间较长,吸收的冲击能量较大,具有优良的动态缓冲特性;振动传递特性具有多模态性,有主次之分,对高频振动有显著的衰减性。
Sensitivity analysis of powerflow transfer probability for a vibration transfer path system
振动传递路径的功率流传递度灵敏度分析
Research on Power Flow Transmission and Experiment of Complex Vibration Isolation System;
复杂隔振系统振动传递特性及实验研究
Dynamics Analysis of Vibration Transmission for Inner and Outer Cases of a Gas Turbine
某型燃气轮机内、外机匣振动传递的动力学分析
Testing method of vibration transmissibility for package cushioning materials
GB/T8169-1987包装用缓冲材料振动传递特性试验方法
Study of Carry-over Displacement on the Floor Vibration Beyond the Basic Frequency Resonance
扰频超过基频后楼板振动传递位移的研究
Study of Delay Time of Transfer of Rolling Mill Vibration Based on Cross-correlation Function
基于互相关函数的轧机振动传递时间滞后分析
On characteristics of vibration transmission for the connection structure between double cylindrical shell with ring supports
双层加筋圆柱壳层间结构的振动传递特性
Sensitivity Analysis of Nonlinear Stiffness Vibration Transmission Path System
非线性刚度振动传递路径系统灵敏度分析
V-T energy transfer
振动-平动能量传递
automatic computing transfer oscillator
自动计算传递振荡器
Shock waves from an explosion travel through water to the meat.
爆炸产生的振动波从水传递到肉。
A transfer matrix method in frequency domain for lateral vibration of liquid-filled pipes
流体管道横向振动的频域传递矩阵法
Characteristics of vibration wave propagation in typical hull structure
典型船舶结构中振动波传递特性研究
Powerflow transfer ratio of vibration path systems in frequency range
频域内振动路径的功率流传递度排序
Impeding vibration wave propagation from several arranged vibration isolation masses
多级阻振质量阻隔振动波的传递特性研究
The Study on Stabilization and Transfer Path of Vibration of Floating Disk Brake;
浮钳盘式制动器振动稳定性及传递路径研究
Research on Dynamic Design of Vibration Screen Based on Transfer Matrix
基于传递矩阵法的振动筛动态设计研究
Dynamic property analysis on vibratory shaft of road rollers via transfer matrix method
基于传递矩阵法的压路机振动轴动态特性分析
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