International Journal of Numerical Methods for Heat & Fluid Flow: Volume 34 Issue 10

Velocity slip and temperature jump effects on entropy generation of MHD second-grade hybrid nanofluid in Jeffery-Hamel flow

Mohamed Kezzar, Nabil Talbi, Saeed Dinarvand, Sanatan Das, Mohamed Rafik Sari, Samia Nasr, Ali Akhlaghi Mozaffar

This paper aims to model and analyze Jeffery Hamel’s channel flow with the magnetohydrodynamics second-grade hybrid nanofluid. Considering the importance of studying the velocity…

Entropy optimization in multigrade motor oil based nanofluid: a spectral and sensitivity analysis with particle shape and dispersion effects

RamReddy Chetteti, Sweta  , Pranitha Janapatla

This study aims to enhance heat transfer efficiency while minimizing friction factor and entropy generation in the flow of Nickel zinc ferrite (NiZnFe₂O₄) nanoparticles suspended…

Heat transfer characteristics of printed circuit heat exchangers under mechanical vibrations

Zhengqiang Ding, Li Xu, Yiping Zhang

The purpose of this paper is to investigate the impact of mechanical vibration on the heat transfer and pressure drop characteristics of semicircular channel printed circuit heat…

Study of a combined Kairat-II-X equation: Painlevé integrability, multiple kink, lump and other physical solutions

Abdul-Majid Wazwaz, Weaam Alhejaili, Samir El-Tantawy

This study aims to explore a novel model that integrates the Kairat-II equation and Kairat-X equation (K-XE), denoted as the Kairat-II-X (K-II-X) equation. This model demonstrates…

Effect of wing height layout on the aerodynamic performance ofhigh-speed train

Xiaohui Xiong, Jiaxu Geng, Kaiwen Wang, Xinran Wang

This paper aims to investigate the effect of different wing height layouts on the aerodynamic performance and flow structure of high-speed train, in a train-wing coupling method…

Magnetohydrodynamic double diffusion natural convection of power-law Non-Newtonian Nano-Encapsulated phase change materials in a trapezoidal enclosure

Khairunnahar Suchana, Md. Mamun Molla

The present numerical investigation examines the magnetohydrodynamic (MHD) double diffusion natural convection of power-law non-Newtonian nano-encapsulated phase change materials…

Comparative study of Yamada-Ota and Xue models for MHD hybrid nanofluid flow past a rotating stretchable disk: stability analysis

Muhammad Yousuf Rafiq, Ayesha Sabeen, Aqeel ur Rehman, Zaheer Abbas

The hybrid nanofluid flow due to a rotating disk has numerous applications, including centrifugal pumps, paper production, polymers dying, air filtration systems, automobile…

Research on aerodynamic characteristics of the pantograph on double-stack high container transportation lines

Yuhan Li, Qun Luo, Shiyu Zhao, Wenyan Qi, Zhong Huang, Guiming Mei

The purpose of this paper is to study the aerodynamic characteristics and uplift force tendencies of pantographs within the operational height span of 1,600–2,980 mm, aiming to…

Solution of the Poisson equation by the boundary integral method

Sandipan Kumar Das

The boundary integral method (BIM) is very attractive to practicing engineers as it reduces the dimensionality of the problem by one, thereby making the procedure computationally…

Numerical study on the behavior of a polymeric MHD nanofluid: entropy optimization and thermal analysis

Razi Khan

Analyzing and reducing entropy generation is useful for enhancing the thermodynamic performance of engineering systems. This study aims to explore how polymers and nanoparticles…

Novel localized waves and dynamics analysis for a generalized (3+1)-dimensional breaking soliton equation

Jingfeng Quan, Xiaoyan Tang

This paper aims to explore new variable separation solutions for a new generalized (3 + 1)-dimensional breaking soliton equation, construct novel nonlinear excitations and discuss…

Thermal radiation, Soret and Dufour effects on MHD mixed convective Maxwell hybrid nanofluid flow under porous medium: a numerical study

J. Jayaprakash, Vediyappan Govindan, S.S. Santra, S.S. Askar, Abdelaziz Foul, Susmay Nandi, Syed Modassir Hussain

Scientists have been conducting trials to find ways to reduce fuel consumption and enhance heat transfer rates to make heating systems more efficient and cheaper. Adding solid…

Heat transfer and entropy generation in viscous-joule heating MHD microchannels flow under asymmetric heating

Antar Tahiri, Haroun Ragueb, Mustafa Moussaoui, Kacem Mansouri, Djemaa Guerraiche, Khelifa Guerraiche

This paper aims to present a numerical investigation into heat transfer and entropy generation resulting from magnetohydrodynamic laminar flow through a microchannel under…

MLFV: a novel machine learning feature vector method to predict characteristics of turbulent heat and fluid flow

Iman Bashtani, Javad Abolfazli Esfahani

This study aims to introduce a novel machine learning feature vector (MLFV) method to bring machine learning to overcome the time-consuming computational fluid dynamics (CFD…

Bright and dark optical solitons in optical metamaterials using a variety of distinct schemes for a generalized Schrodinger equation

Suheil Khuri, Abdul-Majid Wazwaz

The purpose of this study is to investigate the nonlinear Schrödinger equation (NLS) incorporating spatiotemporal dispersion and other dispersive effects. The goal is to derive…

Retraction notice: Turbulent flows in a spiral double-pipe heat exchanger: Optimal performance conditions using an enhanced genetic algorithm

Retraction notice: Investigation of heat transfer and fluid flow behaviors of CuO/(60:40)% ethylene glycol and water nanofluid through a serpentine milichannel heat exchanger