International Journal of Numerical Methods for Heat & Fluid Flow: Volume 29 Issue 5

Simulation the effects of cross-flow injection on the slip velocity and temperature domain of a nanofluid flow inside a microchannel

Esmaeil Jalali, Arash Karimipour

In this paper, the forced convection heat transfer of the nanofluid composed of water and AL2O3 nanoparticles is simulated in a two-dimensional horizontal microchannel by…

Computational fluid dynamics and laminar heat transfer of water/Cu nanofluid in ribbed microchannel with a two-phase approach

Navid Ahmadi Cheloii, Omid Ali Akbari, Davood Toghraie

This study aims to numerically investigate the heat transfer and laminar forced and two-phase flow of Water/Cu nanofluid in a rectangular microchannel with oblique ribs with angle…

Effect of tilt angle on the multi-pipe channel with sinusoidal/curved walls – numerical modelling based on finite volume method

Payam Hooshmand, Mohammad Bahrami, Navid Bagheri, Meysam Jamshidian, Emad Hasani Malekshah

This paper aims to investigate the two-dimensional numerical modeling of fluid flow and heat transfer in a fluid channel.

Slip velocity and temperature jump of a non-Newtonian nanofluid, aqueous solution of carboxy-methyl cellulose/aluminum oxide nanoparticles, through a microtube

Marjan Goodarzi, Saeed Javid, Ali Sajadifar, Mehdi Nojoomizadeh, Seyed Hossein Motaharipour, Quang-Vu Bach, Arash Karimipour

With respect to two new subjects, i.e. nanofluids and microchannels, in heat transfer systems and modern techniques used for building them, this paper aims to study on effect of…

Numerical study on flow over a confined oscillating cylinder with a splitter plate

Arya Ghiasi, Seyed Esmaeil Razavi, Abel Rouboa, Omid Mahian

This study aims to investigate the effect of the simultaneous usage of active and passive methods (which in this case are rotational oscillation and attached splitter plate…

Impact of partial slip on mixed convective flow towards a Riga plate comprising micropolar TiO2-kerosene/water nanoparticles

Aurang Zaib, Rizwan Ul Haq, Ali J. Chamkha, Mohammad Mehdi Rashidi

The purpose of this paper is to present an inclusive study of the mixed convective flow involving micropolar fluid holding kerosene/water-based TiO₂ nanoparticle towards a…

Magneto-hydrodynamic natural convection of CuO-water nanofluid in complex shaped enclosure considering various nanoparticle shapes

A.S. Dogonchi, F. Selimefendigil, D.D. Ganji

The purpose of this study is to peruse natural convection in a CuO-water nanofluid-filled complex-shaped enclosure under the influence of a uniform magnetic field by using control…

Investigation of laminar fluid flow and heat transfer of nanofluid in trapezoidal microchannel with different aspect ratios

Hesam Bakhshi, Erfan Khodabandeh, Omidali Akbari, Davood Toghraie, Mohammad Joshaghani, Alireza Rahbari

In the present study, laminar steady flow of nanofluid through a trapezoidal channel is studied by using of finite volume method. The main aim of this paper is to study the effect…

Investigating the effect of nanoparticles diameter on turbulent flow and heat transfer properties of non-Newtonian carboxymethyl cellulose/CuO fluid in a microtube

Ali Rahimi Gheynani, Omid Ali Akbari, Majid Zarringhalam, Gholamreza Ahmadi Sheikh Shabani, Abdulwahab A. Alnaqi, Marjan Goodarzi, Davood Toghraie

Although many studies have been conducted on the nanofluid flow in microtubes, this paper, for the first time, aims to investigate the effects of nanoparticle diameter and…

Heat generating porous matrix effects on Brownian motion of nanofluid

Aydin Zehforoosh, Siamak Hossainpour, Mohammad Mehdi Rashidi

The purpose of this study is to indicate the effect of mounting heat generating porous matrix in a close cavity on the Brownian term of CuO-water nanofluid and its impact on…

Heat transfer enhancement in solidification process by change of fins arrangements in a heat exchanger containing phase-change materials

Mohammad M. Hosseini, Asghar B. Rahimi

Reducing discrepancy between energy demand and supply has been a controversial issue among researchers. Thermal energy storage is a technique to decrease this difference to…

Electromagnetic field analysis and cooling system design for high power switched reluctance motor

Wei-Mon Yan, Hsu-Yang Teng, Chun-Han Li, Mohammad Ghalambaz

The electromagnetic field and cooling system of a high power switched reluctance motor (SRM) are studied numerically. The geometry of the motor and its main components are…

Heat transfer of incompressible flow in a rotating microchannel with slip boundary conditions of second order

A.A. Avramenko, N.P. Dmitrenko, I.V. Shevchuk, A.I. Tyrinov, V.I. Shevchuk

The paper aims to consider heat transfer in incompressible flow in a rotating flat microchannel with allowance for boundary slip conditions of the first and second order. The…

Modeling and analysis of solar air channels with attachments of different shapes

Younes Menni, Ahmed Azzi, A. Chamkha

This paper aims to report the results of numerical analysis of turbulent fluid flow and forced-convection heat transfer in solar air channels with baffle-type attachments of…

A cylindrical insert for parabolic trough solar collector

Evangelos Bellos, Ilias Daniil, Christos Tzivanidis

The purpose of this paper is to investigate a cylindrical flow insert for a parabolic trough solar collector. Centrally placed and eccentric placed inserts are investigated in a…

Heat transfer enhancement of circular and square LED geometry

Sana Ben Salah, Mohamed Bechir Ben Hamida

The purpose of this paper is to compare the thermal effect between square and circular geometry of light emitting diode (LED) with respect of the same surface for the intent of…