International Journal of Numerical Methods for Heat & Fluid Flow: Volume 31 Issue 5

A modified Li-He’s variational principle for plasma

Ji-Huan He

It is extremely difficult to establish a variational principle for plasma. Kalaawy obtained a variational principle by using the semi-inverse method in 2016, and Li and He…

Fluid-structure interaction computational analysis and experiments of tsunami bore forces on coastal bridges

Iman Mazinani, Mohammad Mohsen Sarafraz, Zubaidah Ismail, Ahmad Mustafa Hashim, Mohammad Reza Safaei, Somchai Wongwises

Two disastrous Tsunamis, one on the west coast of Sumatra Island, Indonesia, in 2004 and another in North East Japan in 2011, had seriously destroyed a large number of bridges…

Develop a numerical approach of fuzzy logic type-2 to improve the reliability of a hydraulic automated guided vehicles

Zhixiong Li, Morteza Jamshidian, Sayedali Mousavi, Arash Karimipour, Iskander Tlili

In this paper, the uncertainties important components and the structure status are obtained by using the condition monitoring, expert groups and multiple membership functions by…

Parallel discontinuous Galerkin finite element method for computing hyperbolic conservation law on unstructured meshes

Zhijian Duan, Gongnan Xie

The discontinuous Galerkin finite element method (DGFEM) is very suited for realizing high order resolution approximations on unstructured grids for calculating the hyperbolic…

Modification of superalloy honeycomb thermal protection system

Łukasz Brodzik

Paper aims to present problem of aerodynamic heating of a metallic heat shield. The key elements of this construction are metallic layers of superalloy honeycomb, which…

Motion of circular cylinders during natural convection flow in X-shaped cavity filled with a nanofluid using ISPH method

Abdelraheem M. Aly, Ehab Mahmoud Mohamed

This study aims to illustrate the impacts of the motion of circular cylinders on the natural convection flow from variable heated partitions inside the X-shaped cavity filled with…

Computation of non-similar solution for magnetic pseudoplastic nanofluid flow over a circular cylinder with variable thermophysical properties and radiative flux

Thameem Basha Hayath, Sivaraj Ramachandran, Ramachandra Prasad Vallampati, O. Anwar Bég

Generally, in computational thermofluid dynamics, the thermophysical properties of fluids (e.g. viscosity and thermal conductivity) are considered as constant. However, in many…

On bio-convection thermal radiation in Darcy – Forchheimer flow of nanofluid with gyrotactic motile microorganism under Wu’s slip over stretching cylinder/plate

H. Waqas, M. Imran, Taseer Muhammad, Sadiq M. Sait, R. Ellahi

The purpose of this study is to discuss the Darcy–Forchheimer nanoliquid bio-convection flow by stretching cylinder/plate with modified heat and mass fluxes, activation energy and…

Heat transfer hybrid nanofluid (1-Butanol/MoS2–Fe3O4) through a wavy porous cavity and its optimization

Kh. Hosseinzadeh, Elham Montazer, Mohammad Behshad Shafii, D.D. Ganji

The purpose of this paper is to investigate natural convection in a porous wavy-walled enclosure that is including a cylinder cavity in the middle of it and filled with a hybrid…

Investigations of water-cooled tubes with protrusions for flow and heat transfer characteristics

Fei Wang, Xiaobing Zhang

This study aims to present a numerical study on the flow and heat transfer performance of a water-cooled tube with protrusions in different geometrical parameters.

Entropy generation of mixed convection of SWCNT–water nanofluid filled an annulus with a rotating cylinder and porous lining under LTNE

Oktay Çiçek, A. Filiz Baytaş, A. Cihat Baytaş

The purpose of this study is to numerically analyze the mixed convection and entropy generation in an annulus with a rotating heated inner cylinder for single-wall carbon nanotube…

Using computational fluid dynamics for different alternatives water flow path in a thermal photovoltaic (PVT) system

S. Hoseinzadeh, Ali Sohani, Saman Samiezadeh, H. Kariman, M.H. Ghasemi

This study aim to use the finite volume method to solve differential equations related to three-dimensional simulation of a solar collector. Modeling is done using ANSYS-fluent…

Thermo-bioconvection of oxytactic microorganisms in porous media in the presence of magnetic field

Nirmalendu Biswas, Aparesh Datta, Nirmal K. Manna, Dipak Kumar Mandal, Rama Subba Reddy Gorla

This study aims to explore magnetohydrodynamic (MHD) thermo-bioconvection of oxytactic microorganisms in multi-physical directions addressing thermal gradient, lid motion, porous…

Manninen’s mixture model for conjugate conduction and mixed convection heat transfer of a nanofluid in a rotational/stationary circular enclosure

Faraz Hoseininejad, Saeed Dinarvand, Mohammad Eftekhari Yazdi

This study aims to investigate numerically the problem of conjugate conduction and mixed convection heat transfer of a nanofluid in a rotational/stationary circular enclosure…

Homoclinic breather waves, rouge waves and multi-soliton waves for a (2+1)-dimensional Mel’nikov equation

Na Liu

The purpose of this paper is to study the homoclinic breather waves, rogue waves and multi-soliton waves of the (2 + 1)-dimensional Mel’nikov equation, which describes an…

A semi-implicit characteristic-based polynomial pressure projection for FEM to solve incompressible flows

Mingyang Liu, Huifen Zhu, Guangjun Gao, Chen Jiang, G.R Liu

The purpose of this paper is to investigate a novel stabilization scheme to handle convection and pressure oscillation in the process of solving incompressible laminar flows by…

Stability analysis, solitary wave and explicit power series solutions of a (2 + 1)-dimensional nonlinear Schrödinger equation in a multicomponent plasma

Shou-Fu Tian, Xiao-Fei Wang, Tian-Tian Zhang, Wang-Hua Qiu

The purpose of this paper is to study the stability analysis and optical solitary wave solutions of a (2 + 1)-dimensional nonlinear Schrödinger equation, which are derived from a…