搜索结果: 1-15 共查到“工学 Bearing”相关记录40条 . 查询时间(0.066 秒)
第十届国际道路、铁路和机场承载能力会议（Tenth International Conference on the Bearing Capacity of Roads, Railways and Airfields）
第十届 国际 道路 铁路 机场 承载能力 会议
2017/1/19
BCRRA 2017 Conference will cover aspects related to materials, laboratory testing, design, construction, maintenance and management systems of transport infrastructure focusing on roads, railways and ...
Boundary element method of hydrodynamic characteristics of lubricant in three-leaf dislocated floating-ring bearing
hydrodynamics boundary element method stability inner friction
2014/6/9
The problem of hydrodynamics of the three-leaf dislocated floating-ring bearing was studied by means of boundary element method. The law including the distribution of pressure on boundary surface (axi...
3D FE Analysis of Effect of Ground Subsidence and Piled Spacing on Ultimate Bearing Capacity of Piled Raft and Axial Force of Piles in Piled Raft
Ground Subsidence Piled Raft Piled Spacing Bearing Capacity Axial Force 3D FE Simulation
2013/1/31
The effects of ground subsidence and piled spacing on axial force of piles in squared piled rafts were investigated using numerical analysis. Two cases of piled rafts in soft clay including case 1 (s ...
Nano-Fe3O4 Encapsulated-Silica Particles Bearing Sulfonic Acid Groups as a Magnetically Separable Catalyst for Highly Efficient Knoevenagel Condensation and Michael Addition Reactions（图）
magnetic nanoparticle silica Knoevenagel condensation Michael addition cyclic diketone
2013/10/4
Sulfonic acid-functionalized silica-coated nano-Fe3O4 particles (Fe3O4@SiO2-SO3H) have been prepared as a novel heterogeneous acid using a facile process. The material was subsequently identified as a...
Evaluation of Screw Reinforcement on Bearing Performance of Wood Depending on Screw Position
Screw Reinforcement FEM Partial Compression Bearing
2013/1/31
In this study, the reinforcement of wood by screws for partial compression perpendicular to the grain was studied. For the estimation of stiffness and strength, the reinforcement effect of screws depe...
Prediction of ultimate bearing capacity of Tubular T-joint under fire using artificial neural networks
Ultimate bearing capacity Tubular T-joint Artificial neural network Finite element analysis Fire
2012/3/23
An artificial neural network (ANN) model is developed for the prediction of the ultimate bearing capacity of tubular T-joint under fire. The input parameters of the network are composed of the diamete...
Prediction of ultimate bearing capacity of Tubular T-joint under fire using artificial neural networks
Ultimate bearing capacity Tubular T-joint Artificial neural network Finite element analysis Fire
2012/3/20
An artificial neural network (ANN) model is developed for the prediction of the ultimate bearing capacity of tubular T-joint under fire. The input parameters of the network are composed of the diamete...
Experimental Investigation on Vibration Control of Rotor-bearing System with Active Magnetic Exciter
vibration control rotor-bearing system active magnetic exciter
2011/8/5
Vibration control is an efficient way to minimize a rotating machine’s vibration level so that its vibration fault-free can be realized. While，several factors, such as unbalance, misalignment and inst...
Minimally Intrusive Identification of Traffic-Bearing Optical Fibers
Traffic-Bearing Optical Fibers Minimally Intrusive Identification
2015/5/18
An ongoing problem in any network finds craft personnel opening incorrect optical circuits for diagnosis. We demonstrate an instrument that non-intrusively induces a time-varying loss on optical fiber...
Weldability of Copper-bearing Aging Steel
copper-bearing aging steel weldability acicular ferrite bainite softening
2011/8/4
The weldability of copper-bearing aging steel is evaluated using calculated cracking susceptibility index Pcm, oblique Y-groove cracking test, heat-affected zone (HAZ) maximum hardness measurement, su...
Weldability of Copper-bearing Aging Steel
copper-bearing aging steel weldability acicular ferrite
2011/8/4
The weldability of copper-bearing aging steel is evaluated using calculated cracking susceptibility index Pcm, oblique Y-groove cracking test, heat-affected zone (HAZ) maximum hardness measurement, su...
Load Bearing Capacity and Safety Analysis for Strain-hardening Austenitic Stainless Steel Pressure Vessels
pressure vessel austenitic stainless steel strain hardening
2011/8/4
By increasing the yield strengths of austenitic stainless steels for pressure vessels with strain hardening techniques, the elastic load bearing capacity of austenitic stainless steel pressure vessels...
基于经验模态分解和Duffing振子的轴承故障诊断（Fault Diagnosis of Bearing Based on EMD and Duffing Oscillator）
轴承 故障诊断 混沌振子 经验模态分解
2010/12/29
针对齿轮箱轴承振动信号故障信息容易被噪声淹没，且具有非线性、非平稳特性的问题，提出了基于经验模态分解（EMD）和Duffing振子的轴承故障诊断方法。首先对原始振动信号进行经验模态分解，找到包含轴承故障信息的固有模态函数（IMF），然后利用Duffing振子的分岔图找到混沌振子相轨迹发生变化的内部激励力分界值，并将Duffing 振子的内部激励力频率设定为轴承故障特征频率，最后从混沌振子输出相轨迹...
Modeling and Analysis of Novel Integrated Radial Hybrid Magnetic Bearing for Magnetic Bearing Reaction Wheel
magnetic bearing reaction wheel radial hybrid magnetic bearing
2011/8/3
Conventional ball bearing reaction wheel used to control the attitude of spacecraft can’t absorb the centrifugal force caused by imbalance of the wheel rotor, and there will be a torque spike at zero ...
Entrance Effect on Load Capacity of Orifice Compensated Aerostatic Bearing with Feeding Pocket
aerostatic thrust bearing feeding pocket entrance effects
2011/8/3
The current research of the aerostatic thrust bearing mainly focuses on the porous material bearing and inherent compensated air bearing, which aims at obtaining small physical dimension and large loa...