Magneto-Marangoni nano-boundary layer flow of water and ethylene glycol based γ Al2O3 nanofluids with non-linear thermal radiation effects

被引：56

作者：

Ganesh, N. Vishnu ^{[1
]}

Chamkha, Ali J. ^{[2
,3
]}

Al-Mdallal, Qasem M. ^{[4
]}

Kameswaran, P. K. ^{[5
]}

机构：

[1] Ramakrishna Mission Vivekananda Coll, Dept Math, Chennai 600004, Tamil Nadu, India

[2] Prince Mohammad Bin Fahd Univ, Mech Engn Dept, Prince Sultan Endowment Energy & Environm, Al Khobar 31952, Saudi Arabia

[3] Amer Univ Ras Al Khaimah, RAK Res & Innovat Ctr, POB 10021, Ras Al Khaymah, U Arab Emirates

[4] United Arab Emirates Univ, Dept Math Sci, POB 15551, Abu Dhabi, U Arab Emirates

[5] VIT Univ, Dept Math, Vellore, Tamil Nadu, India

来源：

CASE STUDIES IN THERMAL ENGINEERING | 2018年 / 12卷

关键词：

Effective Prandtl number; Magnetic field; Marangoni boundary layer; gamma-Al2O3; nanoparticles; Non-linear radiation; CHANGE HEAT-TRANSFER; PHASE-CHANGE MATERIALS; MIXED CONVECTION FLOW; MASS-TRANSFER; VISCOUS DISSIPATION; FORCED-CONVECTION; LORENTZ FORCES; SLIP-FLOW; NANOPARTICLES; MHD;

D O I：

10.1016/j.csite.2018.04.019

中图分类号：

O414.1 [热力学];

学科分类号：

摘要：

For the first time, a numerical investigation is performed to study the influences of magnetic field on Marangoni boundary layer flow of water and ethylene glycol based gamma Al2O3 nanofluids over a flat surface in the presence of non-linear thermal radiation. Experimental based thermo-physical properties and an effective Prandtl number model for gamma Al2O3 nanofluids are considered to analyse the Marangoni convection. To study the magnetic field effects, the electric conductivities of both nanoparticles and base fluids are taking into account. Numerical solutions of resulted equations are obtained using fourth order Runge-Kutta method with shooting technique. The combined effect of magnetic parameter with other involved parameters is discussed on velocity and temperature distributions and the local Nusselt number via graphical illustrations.

引用

页码：340 / 348

页数：9

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