Доступ предоставлен для: Guest
Портал Begell Электронная Бибилиотека e-Книги Журналы Справочники и Сборники статей Коллекции
Computational Thermal Sciences: An International Journal
ESCI SJR: 0.249 SNIP: 0.434 CiteScore™: 0.7

ISSN Печать: 1940-2503
ISSN Онлайн: 1940-2554

Computational Thermal Sciences: An International Journal

DOI: 10.1615/ComputThermalScien.2017018642
pages 49-62

CONVECTING THRESHOLD IN NANOFLUID DRIVEN BY CENTRIFUGAL FORCES IN A ROTATING ANNULAR HELE-SHAW

K. Souhar
Laboratory of Energy Engineering, Materials and Systems, ENSA, Ibn Zohr University, Morocco
M. Kriraa
Department of Civil Engineering and Energetics, ENSA Al-Hoceima, Mohammed I University, Oujda, Morocco
L. Bammou
Laboratory of Thermodynamics and Energy, Faculty of Sciences, Ibn Zohr University, Morocco
S. Alami
Laboratory of Thermodynamics and Energy, Faculty of Sciences, Ibn Zohr University, Morocco
J. Bouchgl
Laboratory of Energy Engineering, Materials and Systems, ENSA, Ibn Zohr University, Morocco
M'barek Feddaoui
Laboratory of Energy Engineering, Materials and Systems, ENSA, Ibn Zohr University, Morocco
S. Aniss
Laboratory of Mechanics, Faculty of Sciences Ain Chock, Hassan II University, Morocco

Краткое описание

The onset of convection in nanofluid confined within a rotating Hele-Shaw cell is studied by using a linear stability analysis. The model for our nanofluid combines the effects of Brownian motion and thermophoresis where the gravitation is negligible and the convection is driven by centrifugal forces. The linear stability equations are solved numerically to find the critical values of the Rayleigh and wave numbers. The analysis reveals that the curvature parameter and the Eckman number delay the onset of convection, while the nanoparticle concentration Rayleigh number, Lewis number and modified diffusivity ratio hasten the onset of convection.


Articles with similar content:

Double Diffusive Convection in a Rotating Porous Layer with Temperature Modulation on the Boundaries
Journal of Porous Media, Vol.10, 2007, issue 6
Beer S. Bhadauria
NUMERICAL INVESTIGATION OF EHD INSTABILITY OF NATURAL CONVECTION IN A VERTICAL DIELECTRIC FLUID SATURATED ANISOTROPIC POROUS LAYER
4th Thermal and Fluids Engineering Conference, Vol.17, 2019, issue
Jai Kumar, I. S. Shivakumara, B. M. Shankar
ELECTROTHERMO CONVECTION OF ROTATING NANOFLUID IN BRINKMAN POROUS MEDIUM
Special Topics & Reviews in Porous Media: An International Journal, Vol.7, 2016, issue 2
G. C. Rana, Ramesh Chand
ONSET OF DOUBLE-DIFFUSIVE NANOFLUID CONVECTION IN A LAYER OF SATURATED POROUS MEDIUM WITH THERMAL CONDUCTIVITY AND VISCOSITY VARIATION
Journal of Porous Media, Vol.16, 2013, issue 2
Rama Bhargava, Dhananjay Yadav, G. S. Agrawal
Numerical Investigations of Oscillatory Motions of a Rotating Viscoelastic Nanofluid Layer in Natural Convection
International Journal of Fluid Mechanics Research, Vol.41, 2014, issue 3
Veena Sharma, Renu Kumari, Anuradha Chowdhary