International Journal of Numerical Methods for Heat & Fluid Flow: Volume 29 Issue 4

Guest editorial

Ali J. Chamkha, Omid Mahian

Natural convection of a hybrid nanofluid subjected to non-uniform magnetic field within porous medium including circular heater

Mohsen Izadi, Nemat M. Maleki, Ioan Pop, S.A.M. Mehryan

This paper aims to numerically investigate the natural convection heat transfer of a hybrid nanofluid into a porous cavity exposed to a variable magnetic field.

Effect of trapezoidal heater on natural convection heat transfer and fluid flow inside a cubical cavity

Nikita Gibanov, Mikhail A. Sheremet

The purpose of this paper is to investigate natural convective heat transfer in a cubical cavity with the heat source of a trapezoidal form having a constant temperature.

Effect of replacing nanofluid instead of water on heat transfer in a channel with extended surfaces under a magnetic field

Saeed Aghakhani, Behzad Ghasemi, Ahmad Hajatzadeh Pordanjani, Somchai Wongwises, Masoud Afrand

The purpose of this study is to conduct a numerical analysis of flow and heat transfer of water–aluminum oxide nanofluid in a channel with extended surfaces in the presence of a…

Effects of two-phase nanofluid model on convection in a double lid-driven cavity in the presence of a magnetic field

Ammar I. Alsabery, Taher Armaghani, Ali J. Chamkha, Muhammad Adil Sadiq, Ishak Hashim

The aim of this study is to investigate the effects of two-phase nanofluid model on mixed convection in a double lid-driven square cavity in the presence of a magnetic field. The…

Experimental and numerical investigations of thermal performance of Al2O3/water nanofluid for a combi boiler with double heat exchangers

Mustafa Bahadir Ozdemir, Mustafa Emre Ergun

This study aims to focus on usage of Al₂O₃/water nanofluid as working fluid in a combi boiler. The plate heat exchanger located at the bottom of the combi boiler has been used for…

Optimal distribution of metal foam inserts in a double-pipe heat exchanger

Hossein Arasteh, Mohammad Reza Salimpour, Mohammad Reza Tavakoli

In the present research, a numerical investigation is carried out to study the fluid flow and heat transfer in a double-pipe, counter-flow heat exchanger exploiting metal foam…

Simulation and experimental analysis of heat transfer characteristics in the plate type heat exchangers using TiO2/water nanofluid

Ataollah Khanlari, Adnan Sözen, Halil İbrahim Variyenli

The plate heat exchangers (PHE) with small size but large efficiency are compact types of heat exchangers formed by corrugated thin pressed plates, operating at higher pressures…

Effects of discrete heat source location on heat transfer and entropy generation of nanofluid in an open inclined L-shaped cavity

Taher Armaghani, A.M. Rashad, Omid Vahidifar, S.R. Mishra, A.J. Chamkha

This paper aims to concentrate on the impacts of a discrete heat source location on heat transfer and entropy generation for a Ag-water nanofluid in an open inclined L-shaped…

3D numerical analysis of atmospheric-aerosol/carbon-black nanofluid flow within a solar air heater located in Shiraz, Iran

Soroush Sadripour

In this study, the effects of using corrugated absorber plate (instead of flat plate) and also using aerosol/carbon-black nanofluid (instead of air) on heat transfer and turbulent…

Effect of MHD on the flow and heat transfer characteristics of nanofluid in a grooved channel with internal heat generation

Mohammad Sadegh Dehghani, Davood Toghraie, Babak Mehmandoust

The purpose of this study is numerical simulation of magnetohydrodynamics (MHD) water–Al₂O₃ nanofluid mixed convection in a grooved channel with internal heat generation in solid…

Numerical investigation on turbulent convective heat transfer of nanofluid flow in a square cross-sectioned duct

Gülbanu Şenay, Metin Kaya, Engin Gedik, Muhammet Kayfeci

The purpose of this study is to numerically investigate the heat transfer enhancement by using two different nanofluids flow throughout the square duct under a constant heat flux…

Bioconvection in nanofluid-saturated porous square cavity containing oxytactic microorganisms

Chandra Shekar Balla, C. Haritha, Kishan Naikoti, A.M. Rashad

The purpose of this paper is to investigate the bioconvection flow in a porous square cavity saturated with both oxytactic microorganism and nanofluids.

Effect of magnetic field-dependent thermal conductivity on natural convection of magnetic nanofluid inside a square enclosure

Mohammadhossein Hajiyan, Shohel Mahmud, Mohammad Biglarbegian, Hussein A. Abdullah, A. Chamkha

The purpose of this paper is to investigate the convective heat transfer of magnetic nanofluid (MNF) inside a square enclosure under uniform magnetic fields considering…

Performance assessment of novel photovoltaic thermal system using nanoparticle in phase change material

Alper Ergün, Hilal Eyinç

Nanotechnology has developed gradually in recent years and it is encountered in various applications. It has many usage area especially in energy systems. The purpose of this…

Numerical analysis of mixed convection of different nanofluids in concentric annulus

Ahad Abedini, Saeed Emadoddin, Taher Armaghani

This study aims to investigate the numerical analysis of mixed convection within the horizontal annulus in the presence of water-based fluid with nanoparticles of aluminum oxide…

Potential of gear-ring turbulator in three-dimensional heat exchanger tube from second law of thermodynamic viewpoint

Navid Moghaddaszadeh, Saman Rashidi, Javad Abolfazli Esfahani

This paper aims to use the second law of thermodynamic to evaluate the potential of gear-ring turbulator in a three-dimensional heat exchanger tube. Accordingly, a numerical…