International Journal of Numerical Methods for Heat & Fluid Flow: Volume 33 Issue 3

Conjugate MHD natural convection of hybrid nanofluids in a square enclosure containing a complex conductive cylinder

Tongsheng Wang, Anna Li, Guang Xi, Zhu Huang

The purpose of this study is to investigate the enhancement and suppression of heat transfer for hybrid nanofluids (Cu–Al2O3/water) in a square enclosure containing a…

New approach for soliton solutions for the (2 + 1)-dimensional KdV equation describing shallow water wave

Suheil Khuri

The purpose of this study is to produce families of exact soliton solutions (2+1)-dimensional Korteweg-de Vries (KdV) equation, that describes shallow water waves, using an…

3D active mixing of confined power law aqueous polymer solutions: a comparative numerical study

Elena B. Martin, Francisco Sastre, Angel Velazquez, Abderrahmane Baïri

This paper aims to study the influence that the second invariant of the rate-of-strain tensor of a power law polymeric fluid (aqueous solution of hydroxyethyl cellulose [HEC]) has…

A novel space/time integration technology via altogether different space and time stepping methods for nonlinear first-order systems

David Tae, Kumar K. Tamma

The purpose of this paper is to describe a novel implementation of a multispatial method, multitime-scheme subdomain differential algebraic equation (DAE) framework allowing a mix…

Effect of casting speed on solidification and inclusion motions in bloom mold caster under the influence of in-mold electromagnetic stirring

Rajneesh Kumar, Pradeep Kumar Jha

The purpose of this article is to numerically investigate the effect of casting speed on the fluid flow, solidification and inclusion motion under the influence of electromagnetic…

Light-driven mixing strategy inside a nanofluid droplet by asymmetrical Marangoni flow

Zhe Liu, Hao Wei, Li Chen, Haihang Cui, Bohua Sun

The purpose of this study is to establish an effective numerical simulation method to describe the flow pattern and optimize the strategy of noncontact mixing induced by…

A new strategy for the approximate solution of fourth-order parabolic partial differential equations with fractional derivative

Muhammad Nadeem, Zitian Li

This study aims to purpose the idea of a new hybrid approach to examine the approximate solution of the fourth-order partial differential equations (PDEs) with time fractional…

A novel trussed fin-and-elliptical tube heat exchanger with periodic cellular lattice structures

Babak Lotfi, Bengt Ake Sunden

This study aims to computational numerical simulations to clarify and explore the influences of periodic cellular lattice (PCL) morphological parameters – such as lattice…

Two-dimensional deformations in an initially stressed nonlocal micropolar thermoelastic porous medium subjected to a moving thermal load

Sandeep Kundu, Kapil Kumar Kalkal, Monika Sangwan, Devender Sheoran

The purpose of the present paper is to investigate the thermo-mechanical interactions in an initially stressed nonlocal micropolar thermoelastic half-space having void pores under…

Blood-based hybrid nanofluid flow through converging/diverging channel with multiple slips effect: a development of Jeffery-Hamel problem

Saeed Dinarvand, Hamza Berrehal, Ioan Pop, Ali. J. Chamkha

The purpose of this paper is to study and analyze the converging/diverging channel flow and heat transfer with the multiple slips effect, which is a development of the…

Thermal and hydrodynamic performance of an improved passive solar water heater equipped with asymmetric U-type evacuated tubes

Leilei Fan, Zhilin Sun, Wuyi Wan, Yunze Shen

To modify a conventional evacuated tube, an improved asymmetric U-type evacuated tube (AUET) is proposed. This study aims to investigate the thermal and hydrodynamic performances…

Convective flow over heat dissipating fins for application of electronic package cooling using curved boundary scheme lattice Boltzmann method

Emad Hasani Malekshah, Ahmed Kadhim Hussein, Lioua Kolsi

The purpose of this study is to address a problem in cooling of an electronic package where the dissipating fins transfer the extra heat energy from the heat source (i.e…

Heat transfer characteristics of plate fin heat sink with longitudinal vortex generators

Mani Sekaran Santhanakrishnan, Timothy Tilford, Christopher Bailey

This study aims to provide an insight into the relationship between design parameters and thermal performance of plate fin heat sinks (PFHSs) incorporating longitudinal vortex…

Structure optimization and cooling performance of a heat sink with discontinuous arc protrusions impacted by nanofluid confined slot jet impingement

Zhiguo Tang, Feng Deng, Yongtao Ji, Jianping Cheng

The purpose of this paper is to improve the overall heat transfer performance and the temperature uniformity of the heat sink and to explore the effects of the jet Reynolds number…

Impacts of heater-cooler position and Lorentz force on heat transfer and entropy generation of hybrid nanofluid convection in quarter-circular cavity

Nirmal K. Manna, Nirmalendu Biswas, Dipak Kumar Mandal, U.K. Sarkar, Hakan F. Öztop, Nidal Abu-Hamdeh

The study aims to assess the heater and cooler positional impacts systematically using four different quadrantal cavities filled with hybrid nanofluid, keeping the curved surface…