International Journal of Numerical Methods for Heat & Fluid Flow: Volume 27 Issue 11

Vortex force of an impulsively started plate at high angle of attack

Xiang Fu, Gaohua Li, Fuxin Wang

A quantitative study that can identify the primary aerodynamic forces and relate them to individual vortical structures is lacking. The paper aims to clarify the quantitative…

A numerical study of the axisymmetric rotational stagnation point flow impinging radially a permeable stretching/shrinking surface in a nanofluid

Natalia C. Roşca, Ioan Pop

The purpose of this study is to analyze numerically the steady axisymmetric rotational stagnation point flow impinging on a radially permeable stretching/shrinking sheet in a…

State of the art of thermal characterization of electronic components using computational fluid dynamic tools

Eric Monier-Vinard, Brice Rogie, Valentin Bissuel, Najib Laraqi, Olivier Daniel, Marie-Cécile Kotelon

Latest Computational Fluid Dynamics (CFDs) tools allow modeling more finely the conjugate thermo-fluidic behavior of a single electronic component mounted on a Printed Wiring…

Thermal-diffusion and diffusion-thermo effects on MHD natural convective flow through porous medium in a rotating system with ramped temperature

Siva Reddy Sheri, Chamkha Ali. J., Anjan Kumar Suram

The purpose of this paper is to analyze the thermal-diffusion and diffusion-thermo effects on magnetohydrodynamics (MHD) natural convective flow through porous medium in a…

Simplified finite element algorithm to solve conjugate heat and mass transfer in porous medium

Irfan Anjum Badruddin, Azeem Khan, Mohd Yamani Idna Idris, N. Nik-Ghaali, Salman Ahmed N.J., Abdullah A.A.A. Al-Rashed

The purpose of this paper is to highlight the advantages of a simplified algorithm to solve the problem of heat and mass transfer in porous medium by reducing the number of…

Numerical simulation of natural convection using unsteady compressible Navier-stokes equations

Mahmoud M. El-Gendi, Abdelraheem M. Aly

Boussinesq approximation is widely used in solving natural convection problems, but it has severe practical limitations. Using Boussinesq approximation, the temperature difference…

A comparative study of DES type methods for mild flow separation prediction on a NACA0015 airfoil

Liang Wang, Liying Li, Song Fu

The purpose of this paper is to numerically investigate the mildly separated flow phenomena on a near-stall NACA0015 airfoil, by using Detached-Eddy Simulation (DES) type methods…

Study on influence of inlet and outlet flow rates on oil pressures and braking torque in a hydrodynamic retarder

Hongbin Mu, Qingdong Yan, Wei Wei

Traditional prediction of braking characteristics of vehicular hydrodynamic retarders is commonly conducted based on braking characteristics model of closed working chamber…

Two-fluid flow under the constraint of external magnetic field: Revisiting the dam-break benchmark

Luca Marioni, Mehdi Khalloufi, Francois Bay, Elie Hachem

This paper aims to develop a robust set of advanced numerical tools to simulate multiphase flows under the superimposition of external uniform magnetic fields.

A localized Newton basis functions meshless method for the numerical solution of the 2D nonlinear coupled Burgers’ equations

Fahimeh Saberi Zafarghandi, Maryam Mohammadi, Esmail Babolian, Shahnam Javadi

The purpose of this paper is to introduce a local Newton basis functions collocation method for solving the 2D nonlinear coupled Burgers’ equations. It needs less computer storage…

Assessment of turbulence models for transonic oscillating airfoil

Mojtaba Tahani, Mehran Masdari, Hamidreza Eivazi, Massoud Tatar

This paper aims to investigate numerical solution of transonic flow around NACA0012 airfoil under sinusoidal pitch oscillation. Accordingly, effects of the amplitude and frequency…

Hydrothermal waves in two-dimensional liquid layers with sudden changes in the available cross-section

Marcello Lappa

Hydrothermal waves represent the preferred mode of instability of the so-called Marangoni flow for a wide range of liquids and conditions. The related features in classical…

A conservative, spatially continuous method of lines for one-dimensional reaction-diffusion equations

J.I. Ramos

The purpose of this paper is to develop a new finite-volume method of lines for one-dimensional reaction-diffusion equations that provides piece-wise analytical solutions in space…