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Thermo-mechanical fatigue conditions of power plant components
Applied mechanics Computational material science and mechanics Fatigue
2009/12/14
Purpose: The main purpose of this work is the description of the mechanical behaviour of power plant components working under mechanical and thermal loading that cause the thermo-mechanical fatigue fr...
Project of a trenchless works tunneling machines ordered construction family
Engineering design Constructional design Series of types
2009/12/14
Purpose: The water and electricity (etc.) supply is the main problem that big agglomerations meet, therefore the non-excavation works are developed in areas of high buildings density.
Design/methodol...
Simplified and advanced models of a valve system used in shock absorbers
Computational mechanics Finite Elements Model Valve system
2009/12/14
Purpose: The aim of this paper is to develop a model of a valve system applicable for strain and stress prediction.
Design/methodology/approach: The analytical and numerical approaches are presented ...
A conceptual model for manufacturing performance improvement
Conceptual model Advanced Quality Practices Manufacturing performance
2009/12/14
Purpose: Important performance objectives manufacturers sought can be achieved through adopting the appropriate manufacturing practices. This paper presents a conceptual model proposing relationship b...
Dynamical flexibility of the free-free damped rod in transportation
Numerical Techniques Computational Mechanics Applied mechanics
2009/12/14
Purpose: of this thesis is derivation of dynamical flexibility of the free-free rod system in transportation. The well-known problem of dynamical analysis of systems in rotational transportation was d...
Kaizen philosophy a manner of continuous improvement of processes and products
Continuous improvement Kaizen idea Worker responsibility and commitment
2009/12/14
Purpose: of the paper aimed at motivating the legitimacy of implementation of kaizen system – the philosophy conducting to the continuous improvement of processes and products by the responsibility of...
Experimental and numerical study of damage initiation mechanism in elastomeric composites
Damage mechanism Finite elements model Rubber composites
2009/12/14
Purpose: Experimental and Finite Element Analysis (FEA) of the damage initiation mechanisms in elastomeric composites were carried out under static loading at room temperature. Double Cantilever Beam ...
Design, manufacture and technological verification of SiC/C composite stirrer
Composites Solidification Thermovision
2009/12/3
Purpose: In article were presented assumptions and choose results of investigations connected with material selection and technology production of prototype’s ceramic stirrer with destination to work ...
New approach for applications of machinability and machining strength
Machinability Machining strength Cutting process
2009/12/3
Purpose: The purpose of this paper is to present and discuss the machinability and machining strength concepts under a new viewpoint concerned with both their applications and how to measure then. Des...
Mechanical and electrical properties of mined coal filled polyethylene and polyamide
Mined coal Filled polymers Polymer composites
2009/12/3
Purpose: The purpose of the present paper is to present results of basic mechanical properties research of high-density polyethylene and polyamide 6 filled with two kinds of mined coal particles. Beca...
改进型变步长光伏最大功率点快速跟踪
光伏 最大功率点跟踪 变步长 Matlab/Simulink
2009/12/1
介绍硅太阳能电池Matlab/Simulink仿真模型，通过该模型得到太阳能电池模型的输出特性曲线和最大功率点跟踪(maximum power point tracking, MPPT)曲线;其次介绍MPPT原理，对传统的扰动观察(perturbation and observation, P&O)法进行研究，提出一种基于功率斜率曲线的判断标准.基于改进的变步扰动法，利用Matlab/Simuli...
提出一种电镀金刚石工具磨料层与基体的绿色分离方法, 可以实现工具的有效回收和再利用. 采用有限元分析软件 ANSYS模拟了电镀金刚石磨头的热震过程, 分析了工具基体与镍镀层之间的热应力及其分布. 计算结果表明: 在冷热载荷作用下, 镀层与基体之间发生热膨胀失配, 导致界面附近易出现疲劳破坏, 产生裂纹, 且裂纹首先产生于界面形状突变区域. 通过电镀金刚石钻头的热震实验观察到磨料层...
复演对指运动的康复机械手机构学探讨
连续被动运动 手指康复 尺度综合
2009/11/20
以连续被动运动(continuous passive motion，CPM)康复理论为基础，设计一种可以完成对指运动的手指康复训练机械手.在分析人体手指结构及运动特点的基础上，通过动态运动捕捉系统采集手指末端运动轨迹参数，并结合图谱法进行手指康复训练机器人机构的尺度综合.最后，通过Simulink仿真实验验证了其可行性.