International Journal of Numerical Methods for Heat & Fluid Flow: Volume 29 Issue 3

A comprehensive review on natural convection flow and heat transfer: The most practical geometries for engineering applications

Alireza Rahimi, Ali Dehghan Saee, Abbas Kasaeipoor, Emad Hasani Malekshah

The purpose of this paper is to carry out a comprehensive review of some latest studies devoted to natural convection phenomenon in the enclosures because of its significant…

Stability analysis, solition solutions and Gaussian solitons of the generalized nonlinear Schrödinger equation with higher order terms

Hui Wang, Tian-Tian Zhang

The purpose of this paper is to study stability analysis, solition solutions and Gaussian solitons of the generalized nonlinear Schrödinger equation with higher order terms, which…

Numerical investigation on the improved three-hole cooling unit with the trench

Rui Hou, Fengbo Wen, Tao Cui, Xiaolei Tang, Songtao Wang

This study aims to introduce a three-hole cooling unit to improve downstream cooling performance by jet interaction and coalescence at a lower manufacture cost.

Free convection heat transfer and entropy generation analysis of water-Fe3O4/CNT hybrid nanofluid in a concentric annulus

Amin Shahsavar, Pouyan Talebizadeh Sardari, D. Toghraie

This paper aims to numerically investigate the heat transfer and entropy generation characteristics of water-based hybrid nanofluid in natural convection flow inside a concentric…

Three-dimensional rotating Darcy–Forchheimer flow with activation energy

Sadia Rashid, Tasawar Hayat, Sumaira Qayyum, Muhammad Ayub, Ahmed Alsaedi

The purpose of this study is to study flow caused by rotating frame. Effects of Darcy–Forchheimer and porous medium are considered to study velocity field. Concentration field is…

Evaluation of PANS method in conjunction with non-linear eddy viscosity closure using OpenFOAM

Sagar Saroha, Sawan S. Sinha, Sunil Lakshmipathy

In recent years, the partially averaged Navier–Stokes (PANS) methodology has earned acceptability as a viable scale-resolving bridging method of turbulence. To further enhance its…

Effect of non-uniform asymmetric heating on the thermal and entropy generation characteristics for flow of Al2O3-water nanofluid in a micro-channel

Manash Protim Boruah, Pitambar R. Randive, Sukumar Pati

The purpose of this study is to numerically analyze the thermal and entropy generation characteristics on two-dimensional, incompressible, laminar single-phase flow of Al₂O₃-water…

Homoclinic breather-wave and singular periodic wave for a (2 + 1)D GSWW equation

Kang Xiaorong, Xian Daquan

The purpose of this paper is to discuss the homoclinic breathe-wave solutions and the singular periodic solutions for (2 + 1)-dimensional generalized shallow water wave (GSWW…

Numerical modeling of Glauert type exponentially decaying wall jet flows of nanofluids using Tiwari and Das’ nanofluid model

Amin Jafarimoghaddam, Ioan Pop

The purpose of this study is to present a simple analytic solution to wall jet flow of nanofluids. The concept of exponentially decaying wall jet flows proposed by Glauert (1956)…

Stagnation-point flow and heat transfer of upper-convected Oldroyd-B MHD nanofluid with Cattaneo–Christov double-diffusion model

Yu Bai, Bo Xie, Yan Zhang, Yingjian Cao, Yunpeng Shen

The purpose of this paper is to investigate the two-dimensional stagnation-point flow, heat and mass transfer of an incompressible upper-convected Oldroyd-B MHD nanofluid over a…

Lattice Boltzmann simulation of free convection’s hydrothermal aspects in a finned/multi-pipe cavity filled with CuO-water nanofluid

Alireza Rahimi, Pouria Azarikhah, Abbas Kasaeipoor, Emad Hasani Malekshah, Lioua Kolsi

This paper aims to investigate the natural convection fluid flow and heat transfer in a finned/multi-pipe cavity.

Numerical investigation for second law analysis of ferrofluid inside a porous semi annulus: An application of entropy generation and exergy loss

M. Sheikholeslami, R. Ellahi, Ahmad Shafee, Zhixiong Li

The purpose of this paper is to present the entropy analysis of ferrofluid inside a porous space with magnetic force. Homogenous model with second law analysis is also taken into…

Numerical simulation of annular bubble plume by vortex in cell method

Van Luc Nguyen, Tomohiro Degawa, Tomomi Uchiyama

This study aims to provide discussions of the numerical method and the bubbly flow characteristics of an annular bubble plume.

Numerical investigation on the forced laminar convection heat transfer of Al2O3-water nanofluid within a three-dimensional asymmetric heated channel

Vincenzo Bianco, Annalisa Marchitto, Federico Scarpa, Luca Antonio Tagliafico

The purpose of this paper is to carry out a numerical investigation to study laminar convection flow of Al₂O₃-water nanofluids within a three-dimensional rectangular section…

Quantification of free convection within a hemispherical annulus through a porous medium saturated by water-copper nanofluid

Abderrahmane Baïri, Nagaraj Suresh, Palanisamy Gayathri, Nagarajan Nithyadevi, Purusothaman Abimanyu

A porous medium saturated with a nanofluid based on pure water and copper nanoparticles is used for cooling a hemispherical electronic device contained in an annulus space. The…

Effects of wave breaking on the oceanic boundary layer in hurricane conditions

Zhanhong Wan, Xiuyang Lü, Chen Jiawang, Tianyu Song, Shizhu Luo

Wave breaking significantly affects the exchange process between ocean and atmosphere. This paper aims to simulate the upper ocean dynamics under the influence of wave breaking…

Computation of flow and heat transfer through channels with periodic dimple/protrusion walls using low-Reynolds number turbulence models

Mohammad Fazli, Mehrdad Raisee

This paper aims to predict turbulent flow and heat transfer through different channels with periodic dimple/protrusion walls. More specifically, the performance of various low-Re k…