International Journal of Numerical Methods for Heat & Fluid Flow: Volume 25 Issue 2

Direct numerical simulation of multiple interacting particles at intermediate Reynolds numbers

Deming Nie, Limin Qiu, Xiaobin Zhang

The purpose of this paper is to study the flow patterns and particle-particle collisions during the sedimentation of multiple circular particles under gravity at intermediate…

Bioconvection peristaltic flow in an asymmetric channel filled by nanofluid containing gyrotactic microorganism: Bio nano engineering model

Noreen Sher Akbar

– The purpose of this paper is to discuss free convection peristaltic flow in an asymmetric channel with nanofluid containing gyrotactic microorganism.

A new meshless local B-spline basis functions-FD method for two-dimensional heat conduction problems

Mas Irfan Purbawanto Hidayat, Bambang Ariwahjoedi, Setyamartana Parman

The purpose of this paper is to present a new approach of meshless local B-spline based finite difference (FD) method for solving two dimensional transient heat conduction…

Thermal decomposition of unsteady non-Newtonian MHD Couette flow with variable properties

Daniel Oluwole Makinde, Oswald Franks

The purpose of this paper is to investigate the unsteady magnetohydrodynamic (MHD) Couette flow of an electrically conducting incompressible non-Newtonian third grade reactive…

Numerical solutions of the reaction-diffusion equation: An integral equation method using the variational iteration method

G Wu, Eric Wai Ming Lee, Gao Li

The purpose of this paper is to introduce variational iteration method (VIM) to construct equivalent integral equations for initial-boundary value problems of nonlinear partial…

Deflated preconditioned conjugate gradients applied to a Petrov-Galerkin generalized least squares finite element formulation for incompressible flows with heat transfer

Rosilene A. Kraft, Alvaro L. G. A. Coutinho

The purpose of this paper is to show benefits of deflated preconditioned conjugate gradients (CG) in the solution of transient, incompressible, viscous flows coupled with heat…

Boundary layer flow of a nanofluid past a permeable exponentially shrinking surface with convective boundary condition using Buongiorno’s model

M.M. Rahman, Alin V. Rosca, I. Pop

The purpose of this paper is to numerically solve the problem of steady boundary layer flow of a nanofluid past a permeable exponentially shrinking surface with convective surface…

A new reduced model for the moments of droplet size distribution in condensing flow

Xiaoke Ku, Rob Hagmeijer

– The purpose of this paper is to create a computationally efficient reduced model (RM) for the moments of droplet size distribution (DSD) in condensing flow.

Three-dimensional mixed convection flow of viscoelastic nanofluid over an exponentially stretching surface

Tasawar Hayat, Bilal Ashraf, Sabir Ali Shehzad, A. Alsaedi, N. Bayomi

– The purpose of this paper is to investigate the three-dimensional mixed convection flow of viscoelastic nanofluid induced by an exponentially stretching surface.

Stability of jets in a shallow water layer

Zhanhong Wan, Saihua Huang, Zhilin Sun, Zhenjiang You

The present work is devoted to the numerical study of the stability of shallow jet. The effects of important parameters on the stability behavior for large scale shallow jets are…

Numerical simulation of gas-solid two-phase reaction flow with multiple moving boundaries

Qiao Luo, Xiaobing Zhang

In engineering applications, gas-solid two-phase reaction flow with multi-moving boundaries is a common phenomenon. The launch process of multiple projectiles is a typical…

Mixing of electrokinetically-driven power-law fluids in zigzag microchannels

Ching-Chang Cho, Cha’o-Kuang Chen, Her-Terng Yau

– The purpose of this paper is to study the mixing performance of the electrokinetically-driven power-law fluids in a zigzag microchannel.

The XFEM for nonlinear thermal and phase change problems

Pawel Stapór

Of particular interest is the ability of the extended finite element method (XFEM) to capture transient solution and motion of phase boundaries without adaptive remeshing or…

Non-Darcy natural convection flow for non-Newtonian nanofluid over cone saturated in porous medium with uniform heat and volume fraction fluxes

A Chamkha, S Abbasbandy, A.M. Rashad

The purpose of this paper is to investigate the effect of uniform lateral mass flux on non-Darcy natural convection of non-Newtonian fluid along a vertical cone embedded in a…

Different approximate models of the sectional method for nanoparticle Brownian coagulation

Zhongli Chen, Fangyang Yuan, R.J. Jiang

The original v2-based sectional method assumes that the selected property quantity of particles is uniformly distributed in each section, which makes particle size distribution…

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