Topic
Hartmann number
About: Hartmann number is a research topic. Over the lifetime, 2593 publications have been published within this topic receiving 61342 citations.
Papers published on a yearly basis
Papers
More filters
TL;DR: In this article, a radial coordinate transformation is initiated to map cosine geometry of the stenosis into a rectangular grid and an appropriate finite difference scheme has been adopted to solve the unsteady non-Newtonian momentum equations in cylindrical coordinate system.
107 citations
TL;DR: In this article, a similarity transformation is used to convert the governing radial momentum and energy equations into nonlinear ordinary differential equations with the appropriate boundary conditions, which are solved analytically by Duan-Rach Approach (DRA).
107 citations
TL;DR: The irreversibility aspects in magnetohydrodynamics flow of viscous nanofluid by a variable thicked surface is investigated and significant behavior of various involving parameters on entropy generation rate, velocity, concentration, Bejan number and temperature are examined.
107 citations
TL;DR: Magnetohydrodynamic flow in a nanofluid filled inclined enclosure is investigated numerically using the Control Volume based Finite Element Method and shows that in presence of magnetic field, velocity field retarded, and hence, convection and Nusselt number decreases.
Abstract: Magnetohydrodynamic flow in a nanofluid filled inclined enclosure is investigated numerically using the Control Volume based Finite Element Method. The cold wall of cavity is assumed to mimic a sinusoidal profile with different dimensionless amplitude, and the fluid in the enclosure is a water-based nanofluid containing Cu nanoparticles. The effective thermal conductivity and viscosity of nanofluid are calculated using the Maxwell–Garnetts and Brinkman models, respectively. Numerical simulations were performed for different governing parameters namely the Hartmann number, Rayleigh number, nanoparticle volume fraction and inclination angle of enclosure. The results show that in presence of magnetic field, velocity field retarded, and hence, convection and Nusselt number decreases. At Ra = 103, maximum value of enhancement for low Hartmann number is obtained at γ = 0°, but for higher values of Hartmann number, maximum values of E occurs at γ = 90°. Also, it can be found that for all values of Hartmann number, at Ra = 104 and 105, maximum value of E is obtained at γ = 60° and γ = 0°, respectively.
106 citations
TL;DR: In this paper, the influence of thermal radiation is considered in energy equation and the effect of uniform magnetic field on nanofluid hydrothermal treatment in a porous enclosure is analyzed numerically using control volume based finite element method.
106 citations