International Journal of Numerical Methods for Heat & Fluid Flow: Volume 33 Issue 7

Impacts of using discrete and continuous porous layers on the cooling performance of confined multiple slot jet impingement under partially active magnetic field

Fatih Selimefendigil, Hakan Oztop

The purpose of this study is to examine the effects of using discrete and continuous porous layers on the convective heat transfer improvement for multiple slot jet impingement…

Laplace residual power series method for the numerical solution of time-fractional Newell–Whitehead–Segel model

Xiankang Luo, Muhammad Nadeem

This study aims to investigate the approximate solution of the time fractional time-fractional Newell–Whitehead–Segel (TFNWS) model that reflects the appearance of the stripe…

Dual solutions on three-dimensional nanofluid flow and heat transfer over a permeable non-linearly shrinking surface with second-order velocity slips

Natalia C. Roşca, Alin V. Roşca, Ioan Pop

This paper aims to present the steady dual solutions on three-dimensional flow and heat transfer of nanofluid over a permeable non-linearly shrinking surface with two-order…

An integrated enabling technology interfacing multiple space/time methods/algorithms/domains with model reduction for first-order systems

David Tae, Kumar K. Tamma

The purpose of this study is to further advance the multiple space/time subdomain framework with model reduction. Existing linear multistep (LMS) methods that are second-order…

Transient heat transfer and electro-osmotic flow of Carreau–Yasuda non-Newtonian fluid through a rectangular microchannel

Saeed Ghorbani, Amin Emamian, Amin Amiri Delouei, R. Ellahi, Sadiq M. Sait, Mohamed Bechir Ben Hamida

The purpose of this study is to investigate heat transfer and electrokinetic non-Newtonian flow in a rectangular microchannel in the developed and transient states.

Heat transfer characteristics in turbulent FIV of three circular cylinders with different isosceles-triangle arrangements

Mostafa Esmaeili, Amir Hossein Rabiee

This study aims to numerically explore the heat transfer characteristics in turbulent two-degree-of-freedom vortex-induced vibrations (VIVs) of three elastically mounted circular…

A numerical study on thermo-hydraulic performance of micro pin-fin heat sink using hybrid pin-fins arrangement for electronic cooling devices

Amir Rezazad Bari, Mohammad Zabetian Targhi, Mohammad Mahdi Heyhat

This study aims to examine the effect of a combination of hybrid pin-fin patterns on a heat sink's performance using numerical techniques. Also, flow characteristics have been…

Study of flow field and vibration characteristics of supersonic centrifugal impellers based on fluid-structure interaction

Huanjun Li, Yimin Zhang

There are three purposes in this paper: to verify the importance of bi-directional fluid-structure interaction algorithm for centrifugal impeller designs; to study the…

An extended Painlevé integrable Kadomtsev--Petviashvili equation with lumps and multiple soliton solutions

Abdul-Majid Wazwaz, Haifa A. Alyousef, Samir El-Tantawy

This study aims to propose an extended (3 + 1)-dimensional integrable Kadomtsev–Petviashvili equation characterized by adding three new linear terms.

A sixth-order finite difference WENO scheme for non-linear degenerate parabolic equations: an alternative technique

Rooholah Abedian

This paper aims to construct a sixth-order weighted essentially nonoscillatory scheme for simulating the nonlinear degenerate parabolic equations in a finite difference framework.

Predicting the effect of different magnetic fields on the solute segregation during direct chill casting of large-size magnesium alloy slab

Wenchao Duan, Yiqiang Yang, Wenhong Liu, Zhiqiang Zhang, Jianzhong Cui

The purpose of this paper is to reveal the solute segregation behavior in the molten and solidified regions during direct chill (DC) casting of a large-size magnesium alloy slab…

An effective high-order five-point stencil, based on integrated-RBF approximations, for the first biharmonic equation and its applications in fluid dynamics

Nam Mai-Duy, Cam Minh Tri Tien, Dmitry Strunin, Warna Karunasena

The purpose of this paper is to present a new discretisation scheme, based on equation-coupled approach and high-order five-point integrated radial basis function (IRBF…

Fluid flow and heat transfer in carotid sinuses of different sizes and locations in an open surgery: CFD vs FSI

Yajing Hu, Botong Li, Xinhui Si, Jing Zhu, Linyu Meng

Atherosclerosis tends to occur in the distinctive carotid sinus, leading to vascular stenosis and then causing death. The purpose of this paper is to investigate the effect of…

Flow and heat transfer for MHD wall jet of hybrid nanofluids: theoretical and numerical solutions

Amr M. Mahros, Emad H. Aly, John H. Merkin, Ioan M. Pop

This paper aims to study the magnetohydrodynamic (MHD) wall jet of a hybrid nanofluid flow over a moving surface with a thermally convective surface, wall moving with…

An extended variational iteration method for fractional BVPs encountered in engineering applications

Suheil Khuri, Reem Assadi

The purpose of this paper is to find approximate solutions for a general class of fractional order boundary value problems that arise in engineering applications.