International Journal of Numerical Methods for Heat & Fluid Flow: Volume 31 Issue 1

Subjects:

Table of contents

Numerical simulations and optimization of impinging jet configuration

Alankrita Singh, Balaji Chakravarthy, BVSSS Prasad

Numerical simulations are performed to determine the heat transfer characteristics of slot jet impingement of air on a concave surface. The purpose of this paper is to investigate…

Heat transfer enhancement in pool boiling and condensation using h-BN/DCM and SiO2/DCM nanofluids: experimental and numerical comparison

Erdem Çiftçi, Adnan Sözen

The purpose of this study is to experimentally and numerically scrutinize the heat transfer enhancement in pool boiling and condensation by changing the hydrophilicity or…

637

Entropy generation analysis of hybrid nanofluid in a microchannel with slip flow, convective boundary and nonlinear heat flux

S. Sindhu, B.J. Gireesha

Thermal features of hybrid nanoliquid consist of Cu–Ti, CuO–TiO2 and C71500–Ti6Al4V/H2O as hybrid mixtures of nano-sized particles in a base fluid through a microchannel are…

Mixed convection stagnation point flow of a hybrid nanofluid past a vertical flat plate with a second order velocity model

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

The purpose of this study is to describe the steady mixed convection stagnation point of a hybrid nanofluid with a second-order velocity slip.

Homotopy perturbation method for predicting tsunami wave propagation with crisp and uncertain parameters

Perumandla Karunakar, Snehashish Chakraverty

The purpose of this paper is to find the solution of classical nonlinear shallow-water wave (SWW) equations in particular to the tsunami wave propagation in crisp and interval…

The boundary knot method for the solution of two-dimensional advection reaction-diffusion and Brusselator equations

Mehdi Dehghan, Vahid Mohammadi

This study aims to apply a numerical meshless method, namely, the boundary knot method (BKM) combined with the meshless analog equation method (MAEM) in space and use a…

Influence of the chamber inclination angle and heat-generating element location on thermal convection of power-law medium in a chamber

Darya Loenko, Aroon Shenoy, Mikhail Sheremet

This paper aims to study the mathematical modeling of passive cooling systems for electronic devices. Improving heat transfer is facilitated by the correct choice of the working…

Incompressible smoothed particle hydrodynamics simulations of natural convection flow resulting from embedded Y-fin inside Y-shaped enclosure filled with a nanofluid

Zehba Raizah, Mitsuteru Asai, Abdelraheem M. Aly

The purpose of this study is to apply the incompressible smoothed particle hydrodynamics (ISPH) method to simulate the natural convection flow from an inner heated Y-fin inside…

A variety of completely integrable Calogero–Bogoyavlenskii–Schiff equations with time-dependent coefficients

Abdul-Majid Wazwaz

The purpose of this paper is to introduce a variety of new completely integrable Calogero–Bogoyavlenskii–Schiff (CBS) equations with time-dependent coefficients. The author…

Short note: empirical findings for spatial and temporal discretization orders for the Taylor – Green vortex

Alejandro Figueroa, Rainald Löhner

The purpose of this paper is to shed some light into the equivalency of grid size and spatial and temporal orders of accuracy for turbulent flows.

Comparative analysis on the film cooling mechanisms of elliptical and cylindrical holes with 90° compound angle

Guohua Zhang, Gongnan Xie, Bengt Ake Sunden

In this study, numerical simulations are performed to compare the adiabatic film cooling effectiveness and reveal the difference of film cooling mechanisms of two models with the…

Hybrid nanofluid flow towards a stagnation point on an exponentially stretching/shrinking vertical sheet with buoyancy effects

Iskandar Waini, Anuar Ishak, Ioan Pop

This paper aims to examine the hybrid nanofluid flow towards a stagnation point on an exponentially stretching/shrinking vertical sheet with buoyancy effects.

Unsteady mixed convection flow at a three-dimensional stagnation point

Amin Noor, Roslinda Nazar, Kohilavani Naganthran, Ioan Pop

This paper aims to probe the problem of an unsteady mixed convection stagnation point flow and heat transfer past a stationary surface in an incompressible viscous fluid…

Investigation of magnetohydrodynamics in Ag-TiO2/water hybrid nanofluid in a Shamse knot shaped cavity

Yuan Ma, Mohammad Mehdi Rashidi, Rasul Mohebbi, Zhigang Yang

The nanofluid natural convection heat transfer in a hollow complex enclosure, which is named as Shamse knot shape, is studied numerically. This paper aims to present how the…

Solving the fractional heat-like and wave-like equations with variable coefficients utilizing the Laplace homotopy method

Muhammad Nadeem, Shao-Wen Yao

This paper aims to suggest the approximate solution of time fractional heat-like and wave-like (TFH-L and W-L) equations with variable coefficients. The proposed scheme shows that…

Numerical solution of fractional Bratu–type BVPs: a generalized variational iteration approach

Reem Assadi, Suheil Khuri, Issam Louhichi

The purpose of this study is to implement a newly introduced numerical scheme for the numerical solution of a class of nonlinear fractional Bratu-type boundary value problems…

Numerical investigation of conjugate heat transfer and entropy generation of MHD natural convection of nanofluid in an inclined enclosure

Amin Kardgar

The purpose of this paper is to investigate conjugate heat transfer of natural convection and entropy generation of nanofluid in the presence of external magnetic field via…

Non-similar solution of Sisko nanofluid flow with variable thermal conductivity: a finite difference approach

Ankita Bisht, Rajesh Sharma

The main purpose of this study is to present a non-similar analysis of two-dimensional boundary layer flow of non-Newtonian nanofluid over a vertical stretching sheet with…

149

Numerical simulation of methane spreading in porous media after leaking from an underground pipe

Ji Wang, Yuting Yan, Junming Li

Natural gas leak from underground pipelines could lead to serious damage and global warming, whose spreading in soil should be systematically investigated. This paper aims to…

Difference equation vs differential equation on different scales

Ji-Huan He, Fei-Yu Ji, Hamid Mohammad-Sedighi

The purpose of this paper is to demonstrate that the numerical method is not everything for nonlinear equations. Some properties cannot be revealed numerically; an example is used…

Investigation of micropolar hybrid ferrofluid flow over a vertical plate by considering various base fluid and nanoparticle shape factor

Kh. Hosseinzadeh, So Roghani, A. Asadi, Amirreza Mogharrebi, D.D. Ganji

The purpose of this paper is to investigate micropolar magnetohydrodynamics (MHD) fluid flow passing over a vertical plate. Three different base fluids have been used that include…

Nonhomogeneous model for conjugate mixed convection of nanofluid and entropy generation in an enclosure in presence of inclined magnetic field with Joule heating

Subhasree Dutta, Somnath Bhattacharyya, Ioan Pop

This study aims to numerically analyse the impact of an inclined magnetic field and Joule heating on the conjugate heat transfer because of the mixed convection of an Al2O3–water…

A new fractal model for the soliton motion in a microgravity space

KangLe Wang

On a microgravity condition, a motion of soliton might be subject to a microgravity-induced motion. There is no theory so far to study the effect of air density and gravity on the…

Thermal convection in a chamber filled with a nanosuspension driven by a chemical reaction using Tiwari and Das’ model

Mikhail A. Sheremet, Teodor Grosan, Ioan Pop

The purpose of this paper is to study numerically the steady thermal convection in a chamber filled with a nanoliquid affected by a chemical reaction using the single-phase…

An analytical method for spiral-wound heat exchanger: design and cost estimation considering temperature-dependent fluid properties

Seyed Mohsen Hosseinian, Ali Mostafazade Abolmaali, Hossein Afshin

Spiral-wound heat exchangers (SWHEs) are widely used in different industries. In special applications, such as cryogenic (HEs), fluid properties may significantly depend on fluid…

A new approach for numerical-diffusion control of flux-vector-splitting schemes for viscous-compressible flows

Paragmoni Kalita, Anoop K. Dass, Jongki Hazarika

The flux vector splitting (FVS) schemes are known for their higher resistance to shock instabilities and carbuncle phenomena in high-speed flow computations, which are generally…

Experimental and numerical analysis on using CuO-Al2O3/water hybrid nanofluid in a U-type tubular heat exchanger

Emine Yağız Gürbüz, Halil İbrahim Variyenli, Adnan Sözen, Ataollah Khanlari, Mert Ökten

Heat exchangers (HEXs) are extensively used in many applications such as heating and cooling systems. To increase the thermal performance of HEXs, nano-sized particles could be…

Symmetry and Painlevé analysis for the extended Sakovich equation

Gangwei Wang, Abdul-Majid Wazwaz

The purpose of this paper is to concern with introducing symmetry analysis to the extended Sakovich equation.

Thermo-mechanical memory responses of biological viscoelastic tissue with variable thermal material properties

Magdy A. Ezzat

In the present paper, the new concept of “memory dependent derivative” in the Pennes’ bioheat transfer and heat-induced mechanical response in human living tissue with variable…

FEM-CBS algorithm for convective transport of nanofluids in inclined enclosures filled with anisotropic non-Darcy porous media using LTNEM

Sameh Elsayed Ahmed

The Galerkin finite element method (FEM) based on the characteristic-based split (CBS) scheme is applied to simulate the nanofluid flow and thermal fields inside an inclined…

Cover of International Journal of Numerical Methods for Heat & Fluid Flow

ISSN:

0961-5539

Online date, start – end:

1991

Copyright Holder:

Emerald Publishing Limited

Open Access:

hybrid

Editor:

  • Prof Roland Lewis