International Journal of Numerical Methods for Heat & Fluid Flow: Volume 27 Issue 8

A new algorithm based on modified trigonometric cubic B-splines functions for nonlinear Burgers’-type equations

Ram Jiwari, Ali Saleh Alshomrani

The main aim of the paper is to develop a new B-splines collocation algorithm based on modified cubic trigonometric B-spline functions to find approximate solutions of nonlinear…

Numerical investigation of heat flux distribution in a deep gap based on chemical equilibrium

Guo Huang, Haiming Huang

The purpose of this paper is to perform the simulation to explore the gap flow field under a hypersonic air flow. Thermal protection systems of hypersonic vehicles generally…

A parallel partition of unity method for the nonstationary Navier-Stokes equations

Guangzhi Du, Liyun Zuo

The purpose of this paper is to propose a parallel partition of unity method (PPUM) to solve the nonstationary Navier-Stokes equations.

Solutions of the Blasius and MHD Falkner-Skan boundary-layer equations by modified rational Bernoulli functions

Velinda Calvert, Mohsen Razzaghi

This paper aims to propose a new numerical method for the solution of the Blasius and magnetohydrodynamic (MHD) Falkner-Skan boundary-layer equations. The Blasius and MHD…

Analysis of pore scale fluid migration in a porous medium- application to coal rock seam

Ji Youjun, K. Vafai

The purpose of this study is to digitize the porous structure and reconstruct the geometry of the rock by using the image processing software photoshop (PS) and ant colony…

Numerical simulation of serial launch process of multiple projectiles considering the aftereffect period

Qiao Luo, Xiaobing Zhang

The numerical simulation of the serial launch process of multiple projectiles is an important engineering problem. However, the projectiles’ motion law is hard to obtain…

Total energy balance in a natural convection flow

Hector Barrios-Piña, Stéphane Viazzo, Claude Rey

The purpose of this paper is to show a thermodynamic analysis to determine the contribution of each term of the total energy balance.

An improved enrichment method for weak discontinuities for thermal problems

Julio Marti, Ernesto Ortega, Sergio Idelsohn

The purpose of this paper is to propose a new elemental enrichment technique to improve the accuracy of the simulations of thermal problems containing weak discontinuities.

MHD natural convective flow of nanofluids past stationary and moving inclined porous plate considering temperature and concentration gradients with suction

Thirupathi Thumma, A. Chamkha, Siva Reddy Sheri

This paper aims to focus on the mathematical modeling of magnetohydrodynamic natural convective boundary layer flow of nanofluids past a stationary and moving inclined porous…

Unsteady natural convection in a cubical cavity with a triangular heat source

Nikita Gibanov, Mikhail Sheremet

The purpose of this paper is to study natural convective fluid flow and heat transfer inside a cubical cavity having a local heat source of constant temperature.

Shock waves analysis of planar and non planar nonlinear Burgers’ equation using Scale-2 Haar wavelets

Sapna Pandit, Manoj Kumar, R.N. Mohapatra, Ali Saleh Alshomrani

This paper aims to find the numerical solution of planar and non-planar Burgers’ equation and analysis of the shock behave.

Numerical study on the effects of variable properties and nanoparticle diameter on nanofluid flow and heat transfer through micro-annulus

Morteza Heydari, Hossein Shokouhmand

The purpose of this paper is to evaluate differences between the results of constant property and variable property approaches in solving the problem of Al2O3-water nanofluid heat…

A numerical study on the steady flow in molten salt pump under various conditions for improved hydraulic performance

Wenjie Cheng, Boqin Gu, Chunlei Shao

This paper aims to figure out the steady flow status in the molten salt pump under various temperatures and blade number conditions, and give good insight on the structure and…

Parametric study and performance improvement of regenerative flow pump considering the modification in blade and casing geometry

Jafar Nejad, Alireza Riasi, Ahmad Nourbakhsh

Regenerative flow pump (RFP) is a rotodynamic turbomachine capable of developing high pressure rise at low flow rates. This paper aims to numerically investigate the performance…