International Journal of Numerical Methods for Heat & Fluid Flow: Volume 32 Issue 5

Editorial: Professor Kannahalli Narasimha Shastri Seetharamu – a tribute to an outstanding computational heat transfer expert

Perumal Nithiarasu, R.W. Lewis, Hywel Thomas

Smoothed/profile lattice Boltzmann method for hydrothermal analysis of a corrugated parabolic-trough solar collector filled with nanofluid predicted by Koo–Kleinstreuer–Li model

Alireza Shariatifard, Dariuosh Kamali, Saeid Hejri, Emad Hasani Malekshah

This study aims to employ a modern numerical approach for conducting the simulations, which uses the smoothed-profile lattice Boltzmann method. Two separate distribution functions…

Numerical study of cavitating flow over hydrofoil in the presence of air

Włodzimierz Wróblewski, Krzysztof Bochon, Mirosław Majkut, Krzysztof Rusin, Emad Hasani Malekshah

The presence of air in the water flow over the hydrofoil is investigated. The examined hydrofoil is ClarkY 11.7% with an angle of attack of 8 deg. The flow simulations are…

Entropy generation in MHD free convection of nanoliquid within a square open chamber with a solid body

Sivaraj Chinnasamy, Vignesh E., Mikhail Sheremet

The study aims to investigate magnetohydrodynamics thermal convection energy transference and entropy production in an open chamber saturated with ferrofluid having an isothermal…

Thermal performance evaluation of a microchannel with different porous media insert configurations

Rouhollah Moosavi, Mehdi Banihashemi, Cheng-Xian Lin

This paper aims to numerically investigate the thermal performance evaluation of a microchannel with different porous media insert configurations.

Duality and stability of MHD Darcy–Forchheimer porous medium flow of rotating nanofluid on a linear shrinking/stretching sheet: Buongiorno model

Jawad Raza, Sumera Dero, Liaquat Ali Lund, Zurni Omar

The purpose of study is to examine the dual nature of the branches for the problem of Darcy–Forchheimer porous medium flow of rotating nanofluid on a linearly stretching/shrinking…

Application of lattice Boltzmann method to curved boundaries for simulating nanofluid flow in an L-Shape enclosure

Shayan Naseri Nia, Faranak Rabiei, M.M. Rashidi

This paper aims to use the Lattice Boltzmann method (LBM) to numerically simulate the natural convection heat transfer of Cu-water nanofluid in an L-shaped enclosure with curved…

Numerical evaluation of separation efficiency in the diverging T-junction for slug flow

Faheem Ejaz, William Pao, Hafiz Muhammad Ali

Offshore industries encounter severe production downtime due to high liquid carryovers in the T-junction. The diameter ratio and flow regime can significantly affect the excess…

Three-dimensional computational study in a corrugated pipe inserted system filled with phase change material

Ömer Akbal, Hakan F. Öztop, Nidal H. Abu-Hamdeh

The purpose of this paper is to make a three-dimensional computational analysis of melting in corrugated pipe inserted system filled with phase change material (PCM). The system…

Numerical study of the propulsive performance of two-dimensional pitching foils at very high frequencies: scaling laws and turbulence effects

Enrique Sanmiguel-Rojas, Ramon Fernandez-Feria

This paper aims to analyze the propulsive performance of small-amplitude pitching foils at very high frequencies with double objectives: to find out scaling laws for the…

Analysis of thermo-hydraulic and entropy generation characteristics for flow through ribbed-wavy channel

Sumit Kumar Mehta, Sukumar Pati, Shahid Ahmed, Prangan Bhattacharyya, Jishnu Jyoti Bordoloi

The purpose of this study is to analyze the thermal, hydraulic and entropy generation characteristics for laminar flow of water through a ribbed-wavy channel with the top wall as…

Shape effect of nanoparticles on MHD nanofluid flow over a stretching sheet in the presence of heat source/sink with entropy generation

Hamza Berrehal, G. Sowmya, Oluwole Daniel Makinde

In heat transfer, fluids and nanoparticles can provide new innovative technologies with potential to adapt the heat transfer fluid’s thermal properties through control over…

New (3+1)-dimensional integrable fourth-order nonlinear equation: lumps and multiple soliton solutions

Abdul-Majid Wazwaz

This paper aims to introduce a new (3 + 1)-dimensional fourth-order integrable equation characterized by second-order derivative in time t. The new equation models both right- and…

A Hausdorff fractal Nizhnik-Novikov-Veselov model arising in the incompressible fluid

Yasir Khan

Nizhnik–Novikov–Veselov system (NNVS) is a well-known isotropic extension of the Lax (1 + 1) dimensional Korteweg-deVries equation that is also used as a paradigm for an…

Flow and heat transfer over a permeable moving wedge in a hybrid nanofluid with activation energy and binary chemical reaction

Nurul Amira Zainal, Roslinda Nazar, Kohilavani Naganthran, Ioan Pop

The analysis of boundary layers is needed to reflect the behaviour of fluid flows in current industrial processes and to improve the efficacy of products. Hence, this study aims…

MHD hybrid nanofluid flow with convective heat transfer over a permeable stretching/shrinking surface with radiation

Nur Syahirah Wahid, Norihan Md Arifin, Najiyah Safwa Khashi'ie, Ioan Pop, Norfifah Bachok, Ezad Hafidz Hafidzuddin

The purpose of this paper is to numerically investigate the hybrid nanofluid flow with the imposition of magnetohydrodynamic (MHD) and radiation effects alongside the convective…

MHD stagnation point flow on a shrinking surface with hybrid nanoparticles and melting phenomenon effects

Ioan Pop, Iskandar Waini, Anuar Ishak

This study aims to explore the stagnation flow over a shrinking surface in a hybrid nanofluid consists of Al₂O₃ and Cu nanoparticles. Here, the flow is subjected to the…

Magnetohydrodynamic thermal characteristics of water-based hybrid nanofluid-filled non-Darcian porous wavy enclosure: effect of undulation

Nirmalendu Biswas, Dipak Kumar Mandal, Nirmal K. Manna, Rama Subba Reddy Gorla, Ali J. Chamkha

The aims of this study is to numerically investigate the thermal phenomena during magnetohydrodynamic (MHD) free convection in an oblique enclosure filled with porous media…

Enhanced effectiveness with positive Joule–Thomson pressure drop effects on a cryogenic heat exchanger with three fluid-two communications

Vishnudas Alias Vipul Luvu Chodankar, Aswatha , K.N. Seetharamu

The purpose of this paper is to attain higher effectiveness with an introduction of Joule–Thomson effect on a three-fluid heat exchanger with two communications. It also gives a…

Numerical modelling of convection-diffusion problems with first-order chemical reaction using the dual reciprocity boundary element method

Salam Adel Al-Bayati, Luiz C. Wrobel

The purpose of this paper is to describe an extension of the boundary element method (BEM) and the dual reciprocity boundary element method (DRBEM) formulations developed for one…