International Journal of Numerical Methods for Heat & Fluid Flow: Volume 27 Issue 2

Investigation on compound field of electrospinning and melt blowing for producing nanofibers

Kai Meng

This paper aims to discuss the combination of electrospinning and melt blowing in theory, which may be a good way to produce nanofibers.

Natural convection in a wavy porous cavity with sinusoidal heating and internal heat generation

Huey Tyng Cheong, S. Sivasankaran, M. Bhuvaneswari

The purpose of this paper is to study natural convective flow and heat transfer in a sinusoidally heated wavy porous cavity in the presence of internal heat generation or…

Influences of aspect ratio and wall boundary condition on laminar Rayleigh–Bénard convection of Bingham fluids in rectangular enclosures

Sahin Yigit, Nilanjan Chakraborty

This paper aims to investigate the aspect ratio (AR; ratio of enclosure height:length) dependence of steady-state Rayleigh–Bénard convection of Bingham fluids within rectangular…

Effects of uniform magnetic field on the natural convection of Cu–water nanofluid in a triangular cavity

T. Javed, Z. Mehmood, M.A. Siddiqui, Ioan Pop

The purpose of this paper is to perform a numerical study for heat transfer through natural convection in the presence of a constant magnetic field in an incompressible steady…

A numerical approach for a class of astrophysics equations using piecewise spectral-variational iteration method

Mohammad Heydari, Ghasem Barid Loghmani, Abdul-Majid Wazwaz

The main purpose of this paper is to implement the piecewise spectral-variational iteration method (PSVIM) to solve the nonlinear Lane-Emden equations arising in mathematical…

Entropy generation optimization for MHD natural convection of a nanofluid in porous media-filled enclosure with active parts and viscous dissipation

M.A. Mansour, Sameh Elsayed Ahmed, Ali J. Chamkha

This paper aims to investigate the entropy generation due to magnetohydrodynamic natural convection flow and heat transfer in a porous enclosure filled with Cu-water nanofluid in…

Large eddy simulation of spark ignition of a bluff-body stabilized burner using a subgrid-ignition model coupled with FGM-based combustion models

Alain Fossi, Alain DeChamplain

Safety improvement and pollutant reduction in many practical combustion systems and especially in aero-gas turbine engines require an adequate understanding of flame ignition and…

Numerical analyses for improved terminal velocity of deep water torpedo anchor

Boonping Soh, William Pao, XiaoHui Chen

This research aims to investigate the effects of manipulation of a torpedo’s geometries to attain higher terminal velocity. The parameters of interest include geometric changes of…

Numerical investigation on the heat transfer of a droplet-laden flow in a microfluidic system

Rui-jin Wang

This paper aims to explore the effectiveness and mechanism of a droplet-laden flow in a microfluidic system.

Chemical reaction, radiation and slip effects on MHD mixed convection stagnation-point flow in a porous medium with convective boundary condition

S. Sivasankaran, H. Niranjan, M. Bhuvaneswari

The purpose of this paper is to investigate the Newtonian heating and slip effect on mixed convective flow near a stagnation point in a porous medium with thermal radiation in the…

Nanoparticle migration effects at film boiling of nanofluids over a vertical plate

Amir Malvandi, Saeed Heysiattalab, Amirmahdi Ghasemi, D.D. Ganji, Ioan Pop

The purpose of this paper is to theoretically investigate the effects of nanoparticle migration on the heat transfer enhancement at film boiling of nanofluids. The modified…

A new approximate analytical technique for dual solutions of nonlinear differential equations arising in mixed convection heat transfer in a porous medium

S. Abbasbandy, Elyas Shivanian, K. Vajravelu, Sunil Kumar

The purpose of this paper is to present a new approximate analytical procedure to obtain dual solutions of nonlinear differential equations arising in mixed convection flow in a…

Natural convection in a triangular cavity filled with a micropolar fluid

Mikhail Sheremet, Teodor Grosan, Ioan Pop

The purpose of this paper is to study steady natural convection flow and heat transfer in a triangular cavity filled with a micropolar fluid.

A direct solution of temperature field and physical quantities for the nonlinear porous fin problem

Mustafa Turkyilmazoglu

The purpose of this study is to target the solution of nonlinear porous fin problem. In contrast to the various complicated numerical or analytical approximate procedures existing…

A highly efficient operator-splitting finite element method for 2D/3D nonlinear Allen–Cahn equation

Xufeng Xiao, Dongwei Gui, Xinlong Feng

This study aims to present a highly efficient operator-splitting finite element method for the nonlinear two-dimensional/three-dimensional (2D/3D) Allen–Cahn (AC) equation which…