International Journal of Numerical Methods for Heat & Fluid Flow: Volume 32 Issue 12

Thermal performance of an environmentally friendly nanoliquid in a cabinet with two l-shaped heaters: application for electronic cooling

Yuan Ma, Rasul Mohebbi, Zhigang Yang, Mikhail Sheremet

The purpose of this paper is to analyze numerically the nanofluid natural convection inside a square enclosure with two L-shaped heaters using lattice Boltzmann method.

Solution of a nonlinear fractional COVID-19 model

Marwan Abukhaled, Suheil Khuri, Fatima Rabah

The purpose of this study is to obtain an analytical solution for a nonlinear system of the COVID-19 model for susceptible, exposed, infected, isolated and recovered.

Numerical investigation and prediction of phase separation in diverging T-junction

Faheem Ejaz, William Pao, Hafiz Muhammad Ali

In plethora of petroleum, chemical and heat transfer applications, T-junction is often used to partially separate gas from other fluids, to reduce work burden on other separating…

Photothermal excitation of an initially stressed nonlocal semiconducting double porous thermoelastic material under fractional order triple-phase-lag theory

Shishir Gupta, Rachaita Dutta, Soumik Das

This paper aims to study photothermal excitation process in an initially stressed semi-infinite double porous thermoelastic semiconductor with voids subjected to Eringen’s…

State-space approach to nonlocal thermo-viscoelastic piezoelectric materials with fractional dual-phase lag heat transfer

Magdy A. Ezzat, Shereen M. Ezzat, Modhi Y. Alkharraz

The purpose of this study is to develop a comprehensive size-dependent piezoelectric thermo-viscoelastic coupling model that accounts for two fundamentally distinct size-dependent…

Melting process of PCM with Carreau – Yasuda non-Newtonian behavior in a shell and tube heat exchanger occupied by anisotropic porous medium

Mojtaba Fadaei, Mohsen Izadi, Ehsanolah Assareh, Ali Ershadi

This study aims to evaluate the melting process of the phase-change RT-35 material in a shell and tube heat exchanger saturated with a porous medium. Titanium porous media with…

Study of the flow mechanism and influencing factors of sputum excretion from the distal lung

Yongjun Jin, Haihang Cui, Li Chen, Zhe Liu, Kai Sun

The purpose of this paper is to study the mechanism of efficient sputum excretion from the distal lung by using a tessellationally distal lung model with alveolar pores.

Effect of fluid distribution along the channel length on the cooling performance of microchannel heat sink

Yanjun Zhang, Shuangfeng Wang, Zhuming Liu

The purpose of this study is to conduct research on a new kind of division microchannel heat sink (D-MCHS), which can distribute cooling water along the channel-length direction…

Unsteady inclined stagnation point flow and thermal transmission of Maxwell fluid on a stretched/contracted plate with modified pressure field

Yu Bai, Qiaoli Tang, Yan Zhang

The purpose of this study is to investigate the two-dimensional unsteady inclined stagnation point flow and thermal transmission of Maxwell fluid on oscillating…

Modeling of iced rotor dynamics via CFD/CSD coupling

Wagdi G. Habashi, Maged Yassin

The purpose of this paper is to advance the multiphysics analysis of helicopter rotors under icing conditions by coupling the iced rotor’s aerodynamics, analyzed by CFD, with the…

Evaluation of modified turbulent viscosity on shedding dynamic of three-phase cloud cavitation around hydrofoil – numerical/experimental analysis

Emad Hasani Malekshah, Wlodzimierz Wróblewski, Krzysztof Bochon, Mirosław Majkut

This paper aims to focus on the cavitating flow around the Clark-Y hydrofoil when the dissolved air is taken into account as the third phase. As the RNG k-epsilon model yields…

The impact of strut profile geometry and malapposition on the haemodynamics and drug-transport behaviour of arteries treated with drug-eluting stents

Pujith Rajaguru Senapathy Vijayaratnam, John Arthur Reizes, Tracie Jacqueline Barber

Stent malapposition is one of the most significant precursors of stent thrombosis and restenosis. Adverse haemodynamics may play a key role in establishing these diseases…

An inverse analysis of the brain cooling process in neonates using the particle filter method

Felipe Sant'Anna Nunes, Helcio R.B. Orlande, Andrzej J. Nowak

This study deals with the computational simulation and inverse analysis of the cooling treatment of the hypoxic-ischemic encephalopathy in neonates. A reduced-order model is…

Thermal behavior of a conical antenna cooled with nanofluid saturated porous media: effects of the cavity’s inclination and aspect ratio

Nacim Alilat, Elena B. Martin, Francisco Sastre, Jose Antonio Millán García, Abderrahmane Baïri

The aim of this work is to determine the average surface temperature of a conical antenna. Its cooling is ensured by means of a nanofluid-saturated porous structure. The volume…