International Journal of Numerical Methods for Heat & Fluid Flow: Volume 34 Issue 4

Editorial: Comment on “MHD-mixed convection flow in a lid-driven trapezoidal cavity under uniformly/non-uniformly heated bottom wall”

Sumon Saha, M.M. Awad

Scaling and modeling of the heat transfer across the free surface of a thermocapillary liquid bridge

Francesco Romanò, Mario Stojanović, Hendrik C. Kuhlmann

This paper aims to derive a reduced-order model for the heat transfer across the interface between a millimetric thermocapillary liquid bridge from silicone oil and the…

Numerical analysis of the SIS infectious disease model with spatial heterogeneity

Yarong Zhang, Meng Hu

The susceptible-infectious-susceptible (SIS) infectious disease models without spatial heterogeneity have limited applications, and the numerical simulation without considering…

Numerical modelling and experimental validation of dripping, jetting and whipping modes of gas dynamic virtual nozzle

Krištof Kovačič, Jurij Gregorc, Božidar Šarler

This study aims to develop an experimentally validated three-dimensional numerical model for predicting different flow patterns produced with a gas dynamic virtual nozzle (GDVN).

Magnetotactic bacteria and Fe3O4–water in a wavy walled cavity

Bengisen Pekmen Geridonmez, Hakan Oztop

The purpose of this study is to investigate the interaction between magnetotactic bacteria and Fe₃O₄–water nanofluid (NF) in a wavy enclosure in the presence of 2D natural…

Simulation of phase change during the freezing of unsaturated porous media by using a coupled lattice Boltzmann model

Fei Xu, Zheng Wang, Wei Hu, Caihao Yang, Xiaolong Li, Yaning Zhang, Bingxi Li, Gongnan Xie

The purpose of this paper is to develop a coupled lattice Boltzmann model for the simulation of the freezing process in unsaturated porous media.

Multi-segmental heating of facing vertical walls in porous systems filled with hybrid nanofluid in a constant-strength magnetic environment

Sobhan Pandit, Milan K. Mondal, Dipankar Sanyal, Nirmal K. Manna, Nirmalendu Biswas, Dipak Kumar Mandal

This study aims to undertake a comprehensive examination of heat transfer by convection in porous systems with top and bottom walls insulated and differently heated vertical walls…

Effects of heater positions on magneto-hydrodynamic convection of CuO-water nanofluid flow in a grooved channel

Md Motiur Rahaman, Nirmalendu Biswas, Apurba Kumar Santra, Nirmal K. Manna

This study aims to delve into the coupled mixed convective heat transport process within a grooved channel cavity using CuO-water nanofluid and an inclined magnetic field. The…

A Hamiltonian equation produces a variety of Painlevé integrable equations: solutions of distinct physical structures

Abdul-Majid Wazwaz

The purpose of this paper is to investigate a variety of Painlevé integrable equations derived from a Hamiltonian equation.

Comparative analysis of entropy generation and heat transfer in a tilted partially heated square enclosure using the finite difference method

Ebrahem A. Algehyne

In recent times, there has been a growing interest in buoyancy-induced heat transfer within confined enclosures due to its frequent occurrence in heat transfer processes across…

Analysis of open channel flow with various layered vegetation using CFD, considering different near-wall treatment methods

Rahim Şibil

The purpose of this paper is to investigate the impact of near-wall treatment approaches, which are crucial parameters in predicting the flow characteristics of open channels, and…

Thermal performance improvement in wavy microchannels using secondary channels

Karthikeyan Paramanandam, Venkatachalapathy S, Balamurugan Srinivasan, Nanda Kishore P V R

This study aims to minimize the pressure drop across wavy microchannels using secondary branches without compromising its capacity to transfer the heat. The impact of secondary…

Adjoined ISPH method and artificial intelligence for thermal radiation on double diffusion inside a porous L-shaped cavity with fins

Hillal M. Elshehabey, Andaç Batur Çolak, Abdelraheem Aly

The purpose of this study is to adapt the incompressible smoothed particle hydrodynamics (ISPH) method with artificial intelligence to manage the physical problem of double…

Numerical investigation of three-dimensional natural convection heat transfer on corrugated plates of variable height

Sílvio Aparecido Verdério Júnior, Pedro J. Coelho, Vicente Luiz Scalon

The purpose of this study is to numerically investigate the geometric influence of different corrugation profiles (rectangular, trapezoidal and triangular) of varying heights on…

Heat transfer analysis of magnetohydrodynamics peristaltic fluid with inhomogeneous solid particles and variable thermal conductivity through curved passageway

Atifa Kanwal, Ambreen A. Khan, Sadiq M. Sait, R. Ellahi

The particle distribution in a fluid is mostly not homogeneous. The inhomogeneous dispersion of solid particles affects the velocity profile as well as the heat transfer of fluid…

Impact of memory-dependent heat transfer on Rayleigh waves propagation in nonlocal piezo-thermo-elastic medium with voids

Vipin Gupta, Barak M.S., Soumik Das

This paper addresses a significant research gap in the study of Rayleigh surface wave propagation within a piezoelectric medium characterized by piezoelectric properties, thermal…