Results 91 to 100 of about 1,892,423 (234)
International Journal of ThermofluidsIn this study, the thermal conductivity and viscosity of multiwalled-carbon nanotubes/zinc oxide water hybrid nanofluid across volume concentrations varying from 0.2 % to 0.8 % and temperatures from 25 °C to 65 °C were experimentally studied.
Surendra D. Barewar +5 more
doaj +1 more source
Real-time error compensation on machine tools through optimal thermal error modeling.
, 1994 This dissertation presents a real-time error compensation approach, which combines finite element analyses and a developed optimization method with error modeling, measurements and real-time control system.
Lo, Chih-Hao Howard
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Jixie chuandong, 2015 By using the theory of multi-body system and Denavit-Hartenberg homogeneous coordinate transformation,the geometric error and thermal error of face gear NC grinding machine is analyzed.According to the principle of face gear meshing and production ...
Ming Xingzu +3 more
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Application of Time Series Analysis to Thermal Error Modeling on NC Machine Tools
工程科学与技术, 2006 :The basic principle and method of time series analysis and its application in thermal error modeling on NC machine tools were presented. How to utilize the thermal error serials surveyed to identify, model, predict and compensate was discussed in detail.
doaj
Thermal error modeling of electrical spindle based on optimized ELM with marine predator algorithm
Case Studies in Thermal Engineering, 2022 Zhaolong Li +4 more
semanticscholar +1 more source
A Real-time Compensation Method for the Geometric and Thermal Error on CNC Turning Machine
工程科学与技术, 2008 :Compensation for the geometric and thermal error is the most effective methods to improve the machining precision. These errors were classified and the normal modeling methods were given.
doaj
Research on Thermal Error Compensation of Gear Hobbing Machine [PDF]
, 2013 : The purpose of this research is to improve the machining accuracy of YK3610 Hobbing machine through thermal error compensation. This study presents the whole process of thermal error modeling and compensation by using Back Propagation Network (BPN) and
Shanshan Yu, Jianguo Yang, Qianjian Guo
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Optimal Partition Method & Stepwise Regression Based Thermal Error Modeling for a Machine Tool
, 2010 根据机械结构的基本热变形模式,分析加工过程中的机床热误差模态,对温度测点进行初步选择.通过最优分割法优化温度测点和逐步回归法建模,将温度测点个数从初始的16个减少到3个热关键点.机床热误差模型拟合结果与实际热误差测量结果进行比较,检验结果说明该热误差模型精确度优良.In this paper a novel concept of thermal error modes analysis is proposed to develop a better understanding of the ...
朱睿, 朱永炉, 陈真, 郭隐彪
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, 2013 The conversion of solar energy into usable forms of energy such as electricity and heat is attractive given the abundance of solar energy and the numerous issues recently raised in the consumption of fossil fuels.
Ghani, Faisal Abid
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