The onset of convection in a viscoelastic nanofluid layer

摘要：

This paper presents a linear stability analysis for natural convection in a horizontal layer of viscoelastic nanofluid whose rheological behavior is described by an Oldroyd B model. The effects of Brownian motion and thermophoresis on the motion of nanoparticles are considered. The onset criterion for stationary and oscillatory convection is derived analytically. Results indicate that oscillatory instability is possible in both bottom-heavy and topheavy nanoparticle distributions. Regimes of stationary and oscillatory convection for various parameters are derived and discussed in detail.

关键词： instability viscoelastic nanofluids oscillatory Brownian Thermophoresis

作者: Long-Jye sheu Horng-Shing Chiou Wei-Tai Weng Shah-RongLee

作者单位: Department of Mechanical Engineering Chung Hua University HsinChu Department of Electrical Engineering Technology and Science Institute of Northern Taiwan Taipei Departmcnt of Industrial Engineering and Management Ming Chi University of Technology Taishan, Taipe Department of Mechanical Engineering Technology and Science Institute of Northern Taiwan Taipei

会议类型: 国际会议

会议名称: 2011 International Conference on Electronic & Mechanical Engineering and Information Technology(EMEIT 2011)(2011年机电工程与信息技术国际会议)

会议地点: 哈尔滨

会议语种:英文

页码: 2044-2047

在线出版日期: 2011-08-12（万方平台首次上网日期，不代表论文的发表时间）