International Journal of Numerical Methods for Heat & Fluid Flow: Volume 27 Issue 12

Numerical solution of Stefan problem with variable space grid method based on mixed finite element/finite difference approach

Milos Ivanovic, Marina Svicevic, Svetislav Savovic

The purpose of this paper is to improve the accuracy and stability of the existing solutions to 1D Stefan problem with time-dependent Dirichlet boundary conditions. The accuracy…

Unsteady natural convection with entropy generation in partially open triangular cavities with a local heat source

Hakan F. Öztop, Nadezhda S. Bondareva, Mikhail A. Sheremet, Nidal Abu-Hamdeh

The main aim of this work is to perform a numerical analysis on natural convection with entropy generation in a partially open triangular cavity with a local heat source.

Application of Hybrid RANS/LES turbulence models in rotor-stator fluid machinery: A comparative study

Chunbao Liu, Weiyang Bu, Dong Xu, Yulong Lei, Xuesong Li

This paper aims to improve performance prediction and to acquire more detailed flow structures so as to analyze the turbulence in complex rotor-stator flow.

MHD mixed convection oblique stagnation-point flow on a vertical plate

Giulia Giantesio, Anna Verna, Natalia C. Roşca, Alin V. Rosca, Ioan Pop

This paper aims to study the problem of the steady plane oblique stagnation-point flow of an electrically conducting Newtonian fluid impinging on a heated vertical sheet. The…

Load balancing for chemically reacting flows

Rainald Löhner, Fumiya Togashi, Joseph David Baum

A common observation made when computing chemically reacting flows is how central processing unit (CPU)-intensive these are in comparison to cold flow cases. The update of tens or…

A pore scale analysis for determination of interfacial convective heat transfer coefficient for thin periodic porous media under mixed convection

Hasan Celik, Moghtada Mobedi, Oronzio Manca, Unver Ozkol

The purpose of this study is to determine interfacial convective heat transfer coefficient numerically, for a porous media consisting of square blocks in inline arrangement under…

Influence of selected parameters on phenomena of two-phase flow and heat exchange in TSL furnace – numerical investigation

Ewa Kolczyk, Zdzisław Miczkowski, Józef Czernecki

The purpose of this study is application of a numerical simulation for determination of the influence of geometric parameters of a furnace and hydrodynamics of the gas introduced…

Numerical solution of second law analysis for MHD Casson nanofluid past a wedge with activation energy and binary chemical reaction

Aurang Zaib, Mohammad Mehdi Rashidi, Ali J. Chamkha, Krishnendu Bhattacharyya

This paper aims to peruse the influence of second law analysis for electrically conducting fluid of a Casson nanofluid over a wedge. For activation energy, a modified Arrhenius…

High-order non-inertial computation method for helicopter rotor flows in forward flight

Gaohua Li, Xiang Fu, Fuxin Wang

This paper aims to improve the computational efficiency and to achieve high-order accuracy for the computation of helicopter rotor unsteady flows in forward flight during the…

MHD three dimensional double diffusive flow of Casson nanofluid with buoyancy forces and nonlinear thermal radiation over a stretching surface

B.J. Gireesha, M. Archana, Prasannakumara B.C., R.S. Reddy Gorla, Oluwole Daniel Makinde

This paper aims to deal with the study of heat and mass transfer on double-diffusive three-dimensional hydromagnetic boundary layer flow of an electrically conducting Casson…

Three dimensional MHD stagnation point flow of Al-Cu alloy suspended water based nanofluid with second order slip and convective heating

N. Nithyadevi, P. Gayathri, A. Chamkha

The paper aims to examine the boundary layers of a three-dimensional stagnation point flow of Al-Cu nanoparticle-suspended water-based nanofluid in an electrically conducting…

Numerical analysis of turbulent/transitional natural convection in trapezoidal enclosures

Mahmoud Salari, Mohammad Mehdi Rashidi, Emad Hasani Malekshah, Masoud Hasani Malekshah

Because the local Re numbers, ratio of inertia to viscous forces, are not same at different regions of the enclosures, the present study aims to deal with the influences of using…