检索结果-南通市图书馆

Optimization of heat transfer in the thermal Marangoni convective flow of a hybrid nanomaterial with sensitivity analysis

引用

Applied Mathematics and Mechanics(English Edition) 2021年第11期42卷 1663-1674页

作者： j.mackolil B.MAHANTHESH Centre for Mathematical Needs Department of MathematicsCHRIST(Deemed to be University)Bengaluru 560029KarnatakaIndia

The heat transfer rate of the thermal Marangoni convective flow of a hybrid nanomaterial is optimized by using the response surface methodology(RSM).The thermal phenomenon is modeled in the presence of a variable inclined magnetic field,thermal radiation,and an exponential heat *** estimated values of the thermal conductivity and viscosity of the hybrid nanomaterial are utilized in the *** governing intricate nonlinear problem is treated numerically,and a parametric analysis is carried out by using graphical visualizations.A finite difference-based numerical scheme is utilized in conjunction with the 4-stage Lobatto IIIa formula to solve the nonlinear governing *** interactive effects of the pertinent parameters on the heat transfer rate are presented by plotting the response surfaces and the contours obtained from the *** mono and hybrid nanomaterial flow fields are *** hybrid nanomaterial possesses enhanced thermal fields for nanoparticle volume fractions less than 2%.The irregular heat source and the thermal radiation enhance the temperature *** high level of the thermal radiation and the low levels of the exponential heat source and the angle of inclination(of the magnetic field)lead to the optimized heat transfer rate(Nux=7.46275).

关键词： inclined magnetic field Marangoni boundary layer flow sensitivity analysis hybrid nanofluid exponential heat source response surface methodology(RSM)

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Reiner-Rivlin nanomaterial heat transfer over a rotating disk with distinct heat source and multiple slip effects

引用

Applied Mathematics and Mechanics(English Edition) 2021年第10期42卷 1495-1510页

作者： A.S.SABU j.mackolil B.MAHANTHESH A.MATHEW Department of Mathematics St.Thomas College(Autonomous)Thrissur 680001KeralaIndia Center for Mathematical Needs Department of MathematicsCHRIST(Deemed to be University)Bengaluru 560029KarnatakaIndia

The thermodynamic features of the Reiner-Rivlin nanoliquid flow induced by a spinning disk are analyzed *** non-homogeneous two-phase nanofluid model is considered to analyze the effect of nanoparticles on the thermodynamics of the Reiner-Rivlin nanomaterial,which also includes a temperature-dependent heat source(THS)and an exponential space-dependent heat source(ESHS).Further,the transfer of heat and mass is analyzed with velocity slip,volume fraction jump,and temperature jump boundary *** finite difference method-based routine is used to solve the complicated differential equations formed after using the von-Karman similarity *** cases of the present problem are found to be in good agreement with benchmarking *** relationship of the pertinent parameters with the heat and mass transport is scrutinized using correlation,which is further evaluated based on the probable error *** models are fitted for the friction factor at the disk and heat transport,which accurately predict the dependent *** Reiner-Rivlin nanoliquid temperature is influenced comparatively more by the ESHS than by *** Nusselt number is decreased by the ESHS and THS,whereas the friction factor at the disk is predominantly decremented by the wall roughness *** increment in the non-Newtonian characteristic of the liquid leads more fluid to drain away in the radial direction far from the disk compared with the fluid nearby the disk in the presence of the centrifugal force during *** increased thermal and volume fraction slip lowers the nanoliquid temperature and nanoparticle volume fraction profiles.

关键词： rotating surface Reiner-Rivlin fluid nanomaterial exponential space-based heat source multiple slip effect regression analysis

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

Dynamics of Sutterby fluid flow due to a spinning stretching disk with non-Fourier/Fick heat and mass flux models

引用

Applied Mathematics and Mechanics(English Edition) 2021年第9期42卷 1247-1258页

作者： F.MABOOD j.mackolil B.MAHANTHESH A.RAUF S.A.SHEHZAD Department of Information Technology Fanshawe College LondonON N5Y 5R6Canada Department of Mathematics CHRIST(Deemed to be University)Bangalore 560029India Department of Mathematics COMSATS University IslamabadSahiwal 57000Pakistan

The magnetohydrodynamic Sutterby fluid flow instigated by a spinning stretchable disk is modeled in this *** Stefan blowing and heat and mass flux aspects are incorporated in the thermal *** conventional models for heat and mass flux,i.e.,Fourier and Fick models,are modified using the Cattaneo-Christov(CC)model for the more accurate modeling of the *** boundary layer equations that govern this problem are solved using the apt similarity *** subsequent system of equations is tackled by the Runge-Kutta-Fehlberg(RKF)*** graphical visualizations of the results are discussed with the physical *** rates of mass and heat transmission are evaluated for the augmentation in the pertinent *** Stefan blowing leads to more species diffusion which in turn increases the concentration field of the *** external magnetism is observed to decrease the velocity ***,more thermal relaxation leads to a lower thermal field which is due to the increased time required to transfer the heat among fluid *** heat transport is enhanced by the stretching of the rotating disk.

关键词： Sutterby fluid Stefan blowing Cattaneo-Christov(CC)theory magnetic field rotating stretching disk

来源：

维普期刊数据库

同方期刊数据库评论

在线全文

学校读者我要写书评

暂无评论

欢迎您,

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案：

请选择收藏分类：

通借通还

欢迎您,

建议与咨询 留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

时间限定

文献类型

馆藏选择

核心期刊

语言

文献类型

帮助

文字说明：

检索规则说明：

检索范例：

分类表

所选分类

限定检索结果

文献类型

馆藏范围

日期分布

学科分类号

主题

机构

作者

语言

在线全文

在线全文

在线全文

请选择保存的检索档案： 新增检索档案 确定 取消

请选择收藏分类： 新增自定义分类 确定 取消

通借通还

建议与咨询留下您的常用邮箱和电话号码，以便我们向您反馈解决方案和替代方法

请选择保存的检索档案：

请选择收藏分类：