International Journal of Numerical Methods for Heat & Fluid Flow: Volume 31 Issue 4

Expanding/contracting fin of rectangular profile

Turkyilmazoglu M.

The purpose of this paper is to study an expandable or contractible metallic fin and heat transfer process. The fin is assumed to be thin having a rectangular cross section. It is…

A novel approach for the analytical solution of nonlinear time-fractional differential equations

Haiyan Zhang, Muhammad Nadeem, Asim Rauf, Zhao Guo Hui

The purpose of this paper is to suggest the solution of time-fractional Fornberg–Whitham and time-fractional Fokker–Planck equations by using a novel approach.

Dufour, Soret and radiation effects with magnetic dipole on Powell-Eyring fluid flow over a stretching sheet

K. Vafai, Ambreen A. Khan, G. Fatima, Sadiq M. Sait, R. Ellahi

This paper aims to investigate the effect of Powell–Eyring fluid induced by a stretched sheet. Heat and mass transfer under the influence of magnetic dipole over a stretching…

A variational approach for novel solitary solutions of FitzHugh–Nagumo equation arising in the nonlinear reaction–diffusion equation

Yasir Khan

In the nonlinear model of reaction–diffusion, the Fitzhugh–Nagumo equation plays a very significant role. This paper aims to generate innovative solitary solutions of the…

Rheology of hydromagnetic viscoelastic fluid subjected to dissipation aspect

Muhammad Waqas, Ubaid Ahmed Nisar, Muhammad Ijaz Khan, Sabir Ali Shehzad

The purpose of this paper is to address the impact of gravity induced stretching flow of second grade liquid subject to thermal radiation. The flow is generated by the stretching…

Inverse-thermocapillary evaporation in a thin liquid film of self-rewetting fluid

Elaine Lim, Tze Cheng Kueh, Yew Mun Hung

The present study aims to investigate the inverse-thermocapillary effect in an evaporating thin liquid film of self-rewetting fluid, which is a dilute aqueous solution (DAS) of…

Three-dimensional CFD simulation and experimental validation of particle segregation in CFB riser

Krishna Kant Dwivedi, Achintya Kumar Pramanick, Malay Kumar Karmakar, Pradip Kumar Chatterjee

The purpose of this paper is to perform the computational fluid dynamics (CFD) simulation with experimental validation to investigate the particle segregation effect in abrupt and…

Magneto-thermal-convection stability in an inclined cylindrical annulus filled with a molten metal

Fateh Mebarek-Oudina, R. Bessaih, B. Mahanthesh, A.J. Chamkha, J. Raza

Metal-cooled reactors generally use molten metals such as sodium, potassium or a combination of sodium and potassium because of their excellent heat transfer properties so that…

Thermo-hydraulic and entropy generation analysis for magnetohydrodynamic pressure driven flow of nanofluid through an asymmetric wavy channel

Sumit Kumar Mehta, Sukumar Pati

The purpose of this paper is to analyze the thermal, hydraulic and entropy generation characteristics for the magneto-hydrodynamic (MHD) pressure-driven flow of Al₂O₃-water…

Shell and tube heat exchanger thermal-hydraulic analysis equipped with baffles and corrugated tubes filled with non-Newtonian two-phase nanofluid

Ali Akbar Abbasian Arani, Reza Moradi

Using turbulators, obstacles, ribs, corrugations, baffles and different tube geometry, and also various arrangements of these components have a noticeable effect on the shell and…

Wave propagation in an initially stressed rotating thermo-diffusive medium with two-temperature and micro-concentrations

Devender Sheoran, Ramesh Kumar, Sunil Kumar, Kapil Kumar Kalkal

The purpose of this paper is to study the reflection of plane waves in an initially stressed rotating thermoelastic diffusive medium with micro-concentrations and two-temperature.

On the heat transfer characteristics of a Lamilloy cooling structure with curvatures with different pin fins configurations

Lei Luo, Yifeng Zhang, Chenglong Wang, Songtao Wang, Bengt Ake Sunden

The pin fin is applied into a Lamilloy cooling structure which is broadly used in the leading edge region of the modern gas turbine vane. The purpose of this paper is to…

Cross flow and heat transfer past a permeable stretching/shrinking sheet in a hybrid nanofluid

Natalia C. Roşca, Alin V. Roşca, Amin Jafarimoghaddam, Ioan Pop

The purpose of this paper is to study the laminar boundary layer cross flow and heat transfer on a rotational stagnation-point flow over either a stretching or shrinking porous…

Convective fluid flow and heat transfer in a vertical rectangular duct containing a horizontal porous medium and fluid layer

J.C. Umavathi, O. Anwar Beg

The purpose of this paper is to investigate thermally and hydrodynamically fully developed convection in a duct of rectangular cross-section containing a porous medium and fluid…

Unsteady stagnation-point flow and heat transfer of fractional Maxwell fluid towards a time dependent stretching plate with generalized Fourier’s law

Yu Bai, Lamei Huo, Yan Zhang

The purpose of this study is to investigate the unsteady stagnation-point flow and heat transfer of fractional Maxwell fluid towards a time power-law-dependent stretching plate…