International Journal of Numerical Methods for Heat & Fluid Flow: Volume 33 Issue 5

Thermal analysis and entropy generation of magnetic Eyring-Powell nanofluid with viscous dissipation in a wavy asymmetric channel

M.M. Bhatti, Sadiq M. Sait, R. Ellahi, Mikhail A. Sheremet, Hakan Oztop

This study aims to deal with entropy generation and thermal analysis of magnetic hybrid nanofluid containing silver and gold as nanoparticles (Au-Ag/NPs) in the Eyring–Powell…

Two dimensional MHD nanofluid flow analysis of fractional dual-phase-lag heat conduction between inclined cylinders with variable thickness

Jinxia Jiang, Haojie Zhao, Yan Zhang

This study aims to investigate the two-dimensional magnetohydrodynamic flow and heat transfer of a fractional Maxwell nanofluid between inclined cylinders with variable thickness…

Role of curved walls on efficient thermal convection in porous beds confined within enclosures: heatline and entropy production maps

Damodara Priyanka, Pratibha Biswal, Tanmay Basak

This study aims to elucidate the role of curved walls in the presence of identical mass of porous bed with identical heating at a wall for two heating objectives: enhancement of…

A dual-lattice hydrodynamic-thermal MRT-LBM model implemented on GPU for DNS calculations of turbulent thermal flows

T.O.M. Forslund, I.A.S. Larsson, J.G.I. Hellström, T.S. Lundström

The purpose of this paper is to present a fast and bare bones implementation of a numerical method for quickly simulating turbulent thermal flows on GPUs. The work also validates…

A numerical study of mist-air film cooling on a 3-D flat plate

Srinivas M.V.V., Mudragada Hari Surya, Devendra Pratap Singh, Pratibha Biswal, Sathi Rajesh Reddy

The purpose of this study is to explore the mist-air film cooling performance on a three-dimensional (3-D) flat plate. In mist-air film cooling technique, a small amount of water…

Local heat flux estimation inside tubes through conjugate gradient method with adjoint operator: application to the pulsating heat pipes case

Marcelo Colaço, Fabio Bozzoli, Luca Cattani, Luca Pagliarini

The purpose of this paper is to apply the conjugate gradient (CG) method, together with the adjoint operator (AO) to the pulsating heat pipe problem, including some quite…

Computational study of dynamics of confined droplets under electric field: effect of contact angle

Qianqian Cao, Lujuan Li, Hao You, Hao Liu

The contact behaviors of droplets on confined surfaces influence significantly their dynamics and morphological transition induced by the electric field. This paper aims to delve…

Comparison of heat transfer enhancement between open and closed cell porous metal structures for solid–liquid phase change

Chunyang Wang, Takuma Sugiura, Moghtada Mobedi, Haisheng Chen

The purpose of this study is to analyze heat transfer for solid–liquid phase change in two inclined cavities assisted with open cell and closed cell porous structures for…

Wall laminar nanofluid jet flow and heat transfer

Waqar Khan Usafzai, Rizwan Ul Haq, Emad H. Aly

This work aims to investigates exact solutions of the classical Glauert’s laminar wall jet mass and heat transfer under wall suction, wall contraction or dilation, and two thermal…

Integrability features of a new (3+1)-dimensional nonlinear Hirota bilinear model: multiple soliton solutions and a class of lump solutions

Abdul-Majid Wazwaz, Lamiaa El-Sherif, Samir El-Tantawy

This paper aims to propose a new (3+1)-dimensional integrable Hirota bilinear equation characterized by five linear partial derivatives and three nonlinear partial derivatives.

An overall blockage attenuation-based aerodynamic performance and stability design optimization method for transonic axial flow compressors

Xuesong Wang, Jinju Sun, Ernesto Benini, Peng Song, Youwei He

This study aims to use computational fluid dynamics (CFD) to understand and quantify the overall blockage within a transonic axial flow compressor (AFC), and to develop an…

Cooling of a periodic heat-generating solid element in an electronic cabinet using a non-Newtonian pseudoplastic nanofluid and a heat-conducting substrate

Darya Loenko, Hakan F. Öztop, Mikhail A. Sheremet

Nowadays, the most important challenge in mechanical engineering, power engineering and electronics is a development of effective cooling systems for heat-generating units. Taking…

Higher-order implicit shock-capturing scheme based on linearization of implicit fluxes for the Euler equations

Roshith Mittakolu, Sarma L. Rani, Dilip Srinivas Sundaram

A higher-order implicit shock-capturing scheme is presented for the Euler equations based on time linearization of the implicit flux vector rather than the residual vector.

New strategy for the numerical solution of multi-dimensional diffusion equations

Muhammad Nadeem

The purpose of this paper is to introduce an innovative strategy for the approximate solution of the heat flow problems in two- and three-dimensional spaces. This new strategy is…

Experimental and LBM analysis of medium-Reynolds number fluid flow around NACA0012 airfoil

Andro Rak, Luka Grbčić, Ante Sikirica, Lado Kranjčević

The purpose of this paper is the examination of fluid flow around NACA0012 airfoil, with the aim of the numerical validation between the experimental results in the wind tunnel…