International Journal of Numerical Methods for Heat & Fluid Flow: Volume 24 Issue 2

Finite volume formulation of thermal lattice Boltzmann method

Ahad Zarghami, Stefano Ubertini, Sauro Succi

The main purpose of this paper is to develop a novel thermal lattice Boltzmann method (LBM) based on finite volume (FV) formulation. Validation of the suggested formulation is…

Computational study of a turbulent wall jet flow on an oblique surface

Shantanu Pramanik, Manab Kumar Das

The purpose of the present study is to investigate the flow and turbulence characteristics of a turbulent wall jet flowing over a surface inclined with the horizontal and to…

Large eddy simulations of the influence of piston position on the swirling flow in a model two-stroke diesel engine

Anas Obeidat, Teis Schnipper, Kristian M. Ingvorsen, Sajjad Haider, Knud Erik Meyer, Stefan Mayer, Jens H. Walther

– The purpose of this paper is to study the effect of piston position on the in-cylinder swirling flow in a simplified model of a large two-stroke marine diesel engine.

Three-dimensional stretched flow via convective boundary condition and heat generation/absorption

Tasawar Hayat, Sabir Ali Shehzad, Muhammad Qasim, Saleem Asghar

– The purpose of this paper is to investigate the three-dimensional flow of viscous fluid with convective boundary conditions and heat generation/absorption.

Study on constitutive model of coupled damage-permeability of porous media

Xue Xinhua, Zhang Wohua, Xingguo Yang

The paper aims to clarify the relationship between the micro-structures of porous media and the coefficient of permeability. Most materials involve different types of defects like…

Transient mixed convection flow of nanofluids in a vertical tube

Catalin Viorel Popa, Cong Tam Nguyen, Stéphane Fohanno, Guillaume Polidori

In the present work, a theoretical model based on the full Navier-Stokes and energy equations for transient mixed convection in a vertical tube is extended to nanofluids with…

Numerical and analytical solutions for Falkner-Skan flow of MHD Oldroyd-B fluid

S. Abbasbandy, T. Hayat, A. Alsaedi, M.M. Rashidi

– In this paper, analysis is presented to investigate the Falkner-Skan flow of magnetohydrodynamic (MHD) Oldroyd-B fluid. The paper aims to discuss these issues.

Stagnation-point flow of Jeffrey fluid with melting heat transfer and Soret and Dufour effects

T. Hayat, Z. Iqbal, M. Mustafa, A. Alsaedi

This investigation has been carried out for thermal-diffusion (Dufour) and diffusion-thermo (Soret) effects on the boundary layer flow of Jeffrey fluid in the region of…

An analytic solution of micropolar flow in a porous channel with mass injection using homotopy analysis method

Hany Hassan, Mohammad Mehdi Rashidi

– The paper aims to find an accurate analytic solution (series solution) for the micropolar flow in a porous channel with mass injection for different values of Reynolds number.

Analytic and numeric solutions for stagnation-point flow with melting, thermal-diffusion and diffusion-thermo effects

M. Awais, T. Hayat, M. Mustafa, K. Bhattacharyya, M. Asif Farooq

– The aim of this work is to analyze the combined effects of melting, thermal-diffusion and diffusion-thermo on the flow of non-Newtonian fluid.

Exact solutions of fractional heat-like and wave-like equations with variable coefficients

Bo Tang, Xuemin Wang, Leilei Wei, Xindong Zhang

This paper aims to apply fractional variational iteration method using He's polynomials (FVIMHP) to obtain exact solutions for variable-coefficient fractional heat-like and…

Modeling defects in castings using a volume of fluid method

Sailei Zhang, Jeffrey Yanke, David R. Johnson, Matthew J.M. Krane

A single-domain multi-phase model is developed for macrosegregation and shrinkage pipe formation in castings, as functions of buoyancy- and shrinkage-induced flow. The paper aims…

Time-dependent flow of UCM fluid with chemical reaction, thermal-diffusion and diffusion-thermo effects

M. Awais, A. Alsaedi, T. Hayat

The authors presented the time-dependent flow of an upper-convected Maxwell (UCM) fluid in the presence of chemical reaction, thermal-diffusion and diffusion-thermo effects. The…

Soret-Dufour effects on MHD rotating flow of a viscoelastic fluid

T. Hayat, R. Naz, S. Asghar, A. Alsaedi

The purpose of this paper is to study the heat and mass transfer with Soret-Dufour effects for the magnetohydrodynamic three-dimensional flow of second grade fluid in the rotating…