磁场环境下输流碳纳米管的热振动与稳定性分析 Thermal-Mechanical Vibration and Stability Analysis of Fluid-Conveying Carbon Nanotubes under Magnetic Field

甄亚欣
{"title":"磁场环境下输流碳纳米管的热振动与稳定性分析 Thermal-Mechanical Vibration and Stability Analysis of Fluid-Conveying Carbon Nanotubes under Magnetic Field","authors":"甄亚欣","doi":"10.12677/OJAV.2016.42002","DOIUrl":null,"url":null,"abstract":"本文基于非局部弹性理论和欧拉梁理论,研究了磁场和温度场耦合作用下输流碳纳米管的动力学特性。采用微分求积法进行求解,详细讨论了常温环境下温度变化量和磁通量等对系统的振动频率和临界流速的影响。结果表明随着温度变化量的增大,系统的振动频率和临界流速都增大。随着磁通量的增大,系统的振动频率和临界流速明显增大,增强磁场能够显著提高系统的稳定性。 In this paper, based on nonlocal elasticity theory and Euler-Bernoulli beam theory, we investigate the dynamical characteristics of carbon nanotubes conveying fluid under longitudinal magnetic field with considering thermal effect. Differential quadrature method is used to do the simulation. The influence of temperature changes under normal atmospheric temperature and magnetic flux on the natural frequency and critical flow velocity are discussed in detail. The results show that the natural frequencies and critical flow velocity increase as the temperature changes increase. As the magnetic flux increases, the natural frequency and critical flow velocity increase distinctly, which demonstrate that increase the magnetic flux can obviously improve the stability of the fluid- conveying system.","PeriodicalId":63563,"journal":{"name":"声学期刊(英文)","volume":"04 1","pages":"11-18"},"PeriodicalIF":0.0000,"publicationDate":"2016-07-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"声学期刊(英文)","FirstCategoryId":"1089","ListUrlMain":"https://doi.org/10.12677/OJAV.2016.42002","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0

Abstract

本文基于非局部弹性理论和欧拉梁理论,研究了磁场和温度场耦合作用下输流碳纳米管的动力学特性。采用微分求积法进行求解,详细讨论了常温环境下温度变化量和磁通量等对系统的振动频率和临界流速的影响。结果表明随着温度变化量的增大,系统的振动频率和临界流速都增大。随着磁通量的增大,系统的振动频率和临界流速明显增大,增强磁场能够显著提高系统的稳定性。 In this paper, based on nonlocal elasticity theory and Euler-Bernoulli beam theory, we investigate the dynamical characteristics of carbon nanotubes conveying fluid under longitudinal magnetic field with considering thermal effect. Differential quadrature method is used to do the simulation. The influence of temperature changes under normal atmospheric temperature and magnetic flux on the natural frequency and critical flow velocity are discussed in detail. The results show that the natural frequencies and critical flow velocity increase as the temperature changes increase. As the magnetic flux increases, the natural frequency and critical flow velocity increase distinctly, which demonstrate that increase the magnetic flux can obviously improve the stability of the fluid- conveying system.
查看原文
分享 分享
微信好友 朋友圈 QQ好友 复制链接
本刊更多论文
磁场环境下输流碳纳米管的热振动与稳定性分析 Thermal-Mechanical Vibration and Stability Analysis of Fluid-Conveying Carbon Nanotubes under Magnetic Field
本文基于非局部弹性理论和欧拉梁理论,研究了磁场和温度场耦合作用下输流碳纳米管的动力学特性。采用微分求积法进行求解,详细讨论了常温环境下温度变化量和磁通量等对系统的振动频率和临界流速的影响。结果表明随着温度变化量的增大,系统的振动频率和临界流速都增大。随着磁通量的增大,系统的振动频率和临界流速明显增大,增强磁场能够显著提高系统的稳定性。 In this paper, based on nonlocal elasticity theory and Euler-Bernoulli beam theory, we investigate the dynamical characteristics of carbon nanotubes conveying fluid under longitudinal magnetic field with considering thermal effect. Differential quadrature method is used to do the simulation. The influence of temperature changes under normal atmospheric temperature and magnetic flux on the natural frequency and critical flow velocity are discussed in detail. The results show that the natural frequencies and critical flow velocity increase as the temperature changes increase. As the magnetic flux increases, the natural frequency and critical flow velocity increase distinctly, which demonstrate that increase the magnetic flux can obviously improve the stability of the fluid- conveying system.
本文章由计算机程序翻译,如有差异,请以英文原文为准。
求助全文
约1分钟内获得全文 去求助
来源期刊
自引率
0.00%
发文量
80
期刊最新文献
On the Simulation of the Influence of Defects on Immersed Plane Periodic Multilayer Viscoelastic Media CFD Simulation of Air Flow Behaviour at Different Flow Rates in a Turkish Woodwind Instrument (Turkish Treble Recorder) Vibration Simulation Analysis of Ceramic Matrix Composite Turbine Rotor Integral Blade-Disk A Study on the Noise Characteristics of a Gasoline Vehicle under Typical Operating Conditions Design and Analysis of Sandwich Structure with Negative Poisson’s Ratio for Vibration Reduction in Low Frequency Range
×
引用
GB/T 7714-2015
复制
MLA
复制
APA
复制
导出至
BibTeX EndNote RefMan NoteFirst NoteExpress
×
×
提示
您的信息不完整,为了账户安全,请先补充。
现在去补充
×
提示
您因"违规操作"
具体请查看互助需知
我知道了
×
提示
现在去查看 取消
×
提示
确定
0
微信
客服QQ
Book学术公众号 扫码关注我们
反馈
×
意见反馈
请填写您的意见或建议
请填写您的手机或邮箱
已复制链接
已复制链接
快去分享给好友吧!
我知道了
×
扫码分享
扫码分享
Book学术官方微信
Book学术文献互助
Book学术文献互助群
群 号:481959085
Book学术
文献互助 智能选刊 最新文献 互助须知 联系我们:info@booksci.cn
Book学术提供免费学术资源搜索服务,方便国内外学者检索中英文文献。致力于提供最便捷和优质的服务体验。
Copyright © 2023 Book学术 All rights reserved.
ghs 京公网安备 11010802042870号 京ICP备2023020795号-1