International Journal of Numerical Methods for Heat & Fluid Flow: Volume 29 Issue 9

Subjects:

Table of contents

Investigation of enclosure aspect ratio effects on melting heat transfer characteristics of metal foam/phase change material composites

Amin Samimi Behbahan, Aminreza Noghrehabadi, C.P. Wong, Ioan Pop, Morteza Behbahani-Nejad

The purpose of this paper is to study thermal performance of metal foam/phase change materials composite under the influence of the enclosure aspect ratios (ratio of enclosure…

MHD flow and heat transfer over a permeable stretching/shrinking sheet in a hybrid nanofluid with a convective boundary condition

Emad H. Aly, Ioan Pop

The purpose of this study is to present both effective analytic and numerical solutions to MHD flow and heat transfer past a permeable stretching/shrinking sheet in a hybrid…

Nonlinear radiative flow of nanofluid in presence of gyrotactic microorganisms and magnetohydrodynamic

Tasawar Hayat, Zeenat Bashir, Sumaira Qayyum, Ahmed Alsaedi

This paper aims to explore the study of magnetohydrodynamic viscous fluid flow past on a stretching cylinder with nonlinear thermal radiation having gyrotactic microorganisms.

Free convection analysis in a Γ-shaped heat exchanger using lattice Boltzmann method employing second law analysis and heatline visualization

HamidReza KhakRah, Mehdi Mohammaei, Payam Hooshmand, Navid Bagheri, Emad Hasani Malekshah

The nanofluid flow and heat transfer within a heat exchanger, with different thermal arrangements of internal active bodies, are investigated.

Lattice Boltzmann simulation of convective flow and heat transfer in a nanofluid-filled hollow cavity

Qiang Pu, Farhad Aalizadeh, Darya Aghamolaei, Mojtaba Masoumnezhad, Alireza Rahimi, Abbas Kasaeipoor

This paper aims to to simulate the flow and heat transfer during free convection in a square cavity using double-multi-relaxation time (MRT) lattice Boltzmann method.

Simulation of phase separation in a Van der Waals fluid under gravitational force with Lattice Boltzmann method

Ezequiel Oscar Fogliatto, Alejandro Clausse, Federico Eduardo Teruel

This paper aims to assess the accuracy of Lattice Boltzmann method (LBM) for numerical simulation of the stratification of a Van der Waals (VdW) fluid subjected to a gravity field…

Hybrid nanofluid flow and heat transfer over a nonlinear permeable stretching/shrinking surface

Iskandar Waini, Anuar Ishak, Ioan Pop

This paper aims to investigate the steady flow and heat transfer of a Cu-Al2O3/water hybrid nanofluid over a nonlinear permeable stretching/shrinking surface with radiation…

A novel heat sink design for simultaneous heat transfer enhancement and pressure drop reduction utilizing porous fins and magnetite ferrofluid

Mojtaba Bezaatpour, Mohammad Goharkhah

With development of the modern electronic and mechanical devices, cooling requirement has become a serious challenge. Innovative heat transfer enhancement methods are generally…

Accurate marine propellers flow field CFD through anisotropic mesh optimization

Ahmed Abou El-Azm Aly, Wagdi G. Habashi

Computational fluid dynamics (CFD) simulation of the flow field around marine propellers is challenging because of geometric complexity and rotational effects. To capture the flow…

Research on the simplified vehicle window buffeting noise with a modified LRN CLES model using a transition-code based method

Zhen Chen, Zhengqi Gu, Zhonggang Wang

This paper aims to propose a precise turbulence model for vehicle aerodynamics, especially for vehicle window buffeting noise.

Numerical simulation of the interaction between a vortex ring and a bubble plume

Van Luc Nguyen, Tomohiro Degawa, Tomomi Uchiyama

This paper aims to provide discussions of a numerical method for bubbly flows and the interaction between a vortex ring and a bubble plume.

Numerical simulation of shock wave – dense particles cloud interaction using Godunov solver for Baer–Nunziato equations

P. Utkin

This paper aims to clarify some aspects of the application of the Godunov method for the Baer–Nunziato equations solution on the example of the problem of shock wave – dense…

Influence of gravity and micro-temperatures on the thermoelastic porous medium under three theories

Mohamed I.A. Othman, Elsayed M. Abd-Elaziz

The purpose of this study is to obtain a general solution to the field equations of thermoelastic solid with voids and micro-temperatures under the gravitational field in the…

Study on the transition process of a molten salt pump transporting media with crystalline particles by modeling test and numerical simulation

Chunlei Shao, Aixia He, Zhongyuan Zhang, Jianfeng Zhou

The purpose of this paper is to study the transition process from the crystalline particles appearing before the pump inlet to the stable operation of the pump.

Numerical simulation for Darcy-Forchheimer flow of carbon nanotubes due to convectively heated nonlinear curved stretching surface

Muhammad Ijaz Khan, Khursheed Muhammad, Tasawar Hayat, Shahid Farooq, Ahmed Alsaedi

This paper aims to discuss the salient aspects of the Darcy–Forchheimer flow of viscous liquid in carbon nanotubes (CNTs). CNTs are considered as nanofluid, and water is taken as…

Analysis of efficiency of convection in porous geometries (square vs triangular) with multiple discrete heaters on walls: A heatline perspective

Debayan Das, Leo Lukose, Tanmay Basak

The purpose of the paper is to study natural convection within porous square and triangular geometries (design 1: regular isosceles triangle, design 2: inverted isosceles…

Optimization of entropy generation in motion of magnetite-Fe3O4 nanoparticles due to curved stretching sheet of variable thickness

Sumaira Qayyum, Tasawar Hayat, Ahmed Alsaedi

Investigation for convective flow of water-based nanofluid (composed of ferric oxide asnanoparticles) by curved stretching sheet of variable thickness is made. Bejan number…

SEM-based numerical framework for non-Darcy mixed convection in a porous cavity with three adiabatic thin baffles on the hot wall

Yazhou Wang, Guoliang Qin, Ximeng Ye, Zhenzhong Bao

The purpose of this paper is to develop a numerical framework based on the accurate spectral element method (SEM) to simulate the mixed convective heat transfer within a porous…

Computational analysis of nanofluid and hybrid nanofluid in Darcy’s squeezing flow with entropy optimization

Muhammad Ijaz Khan, Ahmed Alsaedi, Salman Ahmad, Tasawar Hayat

This paper aims to examine squeezing flow of hybrid nanofluid inside the two parallel rotating sheets. The upper sheet squeezes downward, whereas the lower sheet stretches…

Lump solutions and interaction phenomena of the (3 + 1)-dimensional nonlinear evolution equations

Jin-Jin Mao, Shou-Fu Tian, Xing-Jie Yan, Tian-Tian Zhang

The purpose of this study is to examine the lump solutions of the (3 + 1)-dimensional nonlinear evolution equations by considering a (3 + 1)-dimensional generalized…

An efficient space-time operator-splitting method for high-dimensional vector-valued Allen–Cahn equations

Yunxia Sun, Xufeng Xiao, Zhiming Gao, Xinlong Feng

The purpose of this paper is to propose an efficient space-time operator-splitting method for the high-dimensional vector-valued Allen–Cahn (AC) equations. The key of the…

A comparison of topology optimization and genetic algorithms for the optimization of thermal energy storage composites

Heinrich Badenhorst

The purpose of this paper is to apply two optimization methods to the issue of sensible energy store design.

LBM modelling unsteady flow past and through permeable diamond-shaped cylinders: Effects of aspect ratios and Darcy numbers

Yingchun Zhang, Nesrin Ozalp, Gongnan Xie

The purpose of this paper is to investigate the unsteady flow past through a permeable diamond-shaped cylinder and to study the effects of the aspect ratios and Darcy numbers of…

196

Mathematical analysis of thermally radiative time-dependent Sisko nanofluid flow for curved surface

Waqar Azeem Khan, Muhammad Waqas, Mehboob Ali, F. Sultan, M. Shahzad, M. Irfan

This paper aims to develop a mathematical model featuring Brownian motion and thermophoresis. The idea of curved stretching subjected to time-dependent non-Newtonian (Sisko) fluid…

High-order approximation for generalized fractional derivative and its application

Swati Yadav, Rajesh K. Pandey, Anil K. Shukla, Kamlesh Kumar

This paper aims to present a high-order scheme to approximate generalized derivative of Caputo type for μ ∈ (0,1). The scheme is used to find the numerical solution of generalized…

Chemical reaction effectiveness in non-Darcian nanofluid radiated flow considering entropy generation

M.Z. Kiyani, Tasawar Hayat, I. Ahmad, Ahmed Alsaedi

The purpose of this study is to analyze the entropy generation in magnetohydrodynamics stagnation point mixed convection flow of Carreau nanofluid through porous medium.

Cover of International Journal of Numerical Methods for Heat & Fluid Flow

ISSN:

0961-5539

Online date, start – end:

1991

Copyright Holder:

Emerald Publishing Limited

Open Access:

hybrid

Editor:

  • Prof Roland Lewis