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Symmetry
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Recent Advances in Conjugate Heat Transfer
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Recent Advances in Conjugate Heat Transfer

A special issue of Symmetry (ISSN 2073-8994). This special issue belongs to the section "Physics".

Deadline for manuscript submissions: closed (30 November 2022) | Viewed by 9451

Special Issue Editors

Dr. Mikhail Sheremet

E-Mail Website
Guest Editor
Laboratory on Convective Heat and Mass Transfer, Tomsk State University, Lenin Ave., 36, 634050 Tomsk, Russia
Interests: heat and mass transfer; fluid mechanics; modeling and simulation; convection; nanofluids; porous media; thermal radiation; electronics cooling
Special Issues, Collections and Topics in MDPI journals
Prof. Dr. Abderrahmane Baïri

E-Mail Website
Guest Editor
Laboratoire de Thermique Interfaces Environnement (LTIE), Université de Paris, 92001 Paris, France
Interests: applied heat transfer; natural convection; nanofluid; porous media; experimentation; fluid dynamics; numerical modeling; interfaces; renewable energy; thermal characterization
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Progress in different engineering fields, including electronics, power engineering, chemical engineering, and others, demands an organization of digital twin that can optimize the technological process. Moreover, a digital twin for the considered engineering system will be useful to understand the nature of the process and separate phenomena. It should be noted that heat and mass transfer is a major transport phenomenon within various engineering and natural systems. Very often, a detailed description of the energy transport requires the analysis of complex heat transfer, including convection and radiation within the fluid domain and heat conduction within the solid blocks. Such heat transfer can be considered a conjugate heat transfer. This complex heat transfer should be used for the accurate description of cooling systems in electronics, optimization of the heat exchangers, development of the crystal growth systems, optimization of the building thermal insulation, modeling of the building thermal performance, and so on. Therefore, numerical simulation of conjugate heat transfer is a very topical challenge and the obtained results can be used in practice. It should be noted that symmetry analysis can also help to obtain very interesting and useful information about the considered phenomena using conservation laws. At the same time, experimental research of such complex heat transfer can obtain the necessary data for validation of the developed mathematical models and numerical methods.

This Special Issue will focus on advances in the numerical and experimental analysis of conjugate heat transfer that can be applied for different engineering and natural systems. It is a very good opportunity to combine original manuscripts on the considered topic to present useful guidelines for future researches.

Dr. Mikhail Sheremet
Prof. Dr. Abderrahmane Baïri
Guest Editors

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Symmetry is an international peer-reviewed open access monthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2400 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • heat transfer enhancement
  • numerical and experimental simulation
  • electronics cooling
  • phase change materials
  • heat exchangers
  • crystal growth
  • building applications

Published Papers (6 papers)

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Research

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19 pages, 7929 KiB  
Article
Thermal Onsets of Viscous Dissipation for Radiative Mixed Convective Flow of Jeffery Nanofluid across a Wedge
by Yogesh Dadhich, Nazek Alessa, Reema Jain, Abdul Razak Kaladgi, Karuppusamy Loganathan and V. Radhika Devi
Symmetry 2023, 15(2), 385; https://0-doi-org.brum.beds.ac.uk/10.3390/sym15020385 - 01 Feb 2023
Cited by 1 | Viewed by 1210
Abstract
The current analysis discusses Jeffery nanofluid’s thermally radiative flow with convection over a stretching wedge. It takes into account the Brownian movement and thermophoresis of the Buongiorno nanofluid model. The guiding partial differential equations (PDEs) are modified by introducing the symmetry variables, leading [...] Read more.
The current analysis discusses Jeffery nanofluid’s thermally radiative flow with convection over a stretching wedge. It takes into account the Brownian movement and thermophoresis of the Buongiorno nanofluid model. The guiding partial differential equations (PDEs) are modified by introducing the symmetry variables, leading to non-dimensional ordinary differential equations (ODEs). To solve the generated ODEs, the MATLAB function bvp4c is implemented. Examined are the impacts of different flow variables on the rate of transmission of heat transfer (HT), temperature, mass, velocity, and nanoparticle concentration (NC). It has been noted that the velocity and mass transfer were increased by the pressure gradient factor. Additionally, the thermal boundary layer (TBL) and nanoparticle concentration are reduced by the mixed convection (MC) factor. In order to validate the present research, the derived numerical results were compared to previous findings from the literature while taking into account the specific circumstances. It was found that there was good agreement in both sets of data. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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13 pages, 3884 KiB  
Article
Analysis of the Melting Time of Phase Change Material in a Heat Exchanger with Sinusoidal Inner Duct
by Hakan F. Öztop, Ömer Akbal, Fatih Selimefendigil and Nidal H. Abu-Hamdeh
Symmetry 2023, 15(1), 129; https://0-doi-org.brum.beds.ac.uk/10.3390/sym15010129 - 02 Jan 2023
Cited by 1 | Viewed by 1114
Abstract
Three-dimensional computational analysis has been performed to investigate the melting time of the phase change material (PCM) in a sinusoidal pipe inserted into another pipe. The other pipe is filled with PCM and the system is heated from the inner sinusoidal pipe at [...] Read more.
Three-dimensional computational analysis has been performed to investigate the melting time of the phase change material (PCM) in a sinusoidal pipe inserted into another pipe. The other pipe is filled with PCM and the system is heated from the inner sinusoidal pipe at different temperatures. The main aim of the study is to control the melting time. The finite volume method (FVM) is used to solve time-dependent governing equations. Four different cases are chosen for the sinusoidal wall to see the effects of geometry on melting. After the analysis, it is observed that melting time can be controlled via an adjustment of the geometrical parameter, namely a passive technique, without spending extra energy. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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18 pages, 7437 KiB  
Article
Numerical Study of Cattaneo–Christov Heat Flux on Water-Based Carreau Fluid Flow over an Inclined Shrinking Sheet with Ternary Nanoparticles
by Sanju Jangid, Nazek Alessa, Ruchika Mehta, N. Thamaraikannan and Shilpa Shilpa
Symmetry 2022, 14(12), 2605; https://0-doi-org.brum.beds.ac.uk/10.3390/sym14122605 - 08 Dec 2022
Cited by 2 | Viewed by 1151
Abstract
Due to their capacity to create better thermal conductivity than standard nanofluids, hybrid nano-fluids and modified nanofluids have notable applications in aerospace, energy materials, thermal sensors, antifouling, etc. This study aims to the modified and hybrid nanofluid flow with the Carreau fluid over [...] Read more.
Due to their capacity to create better thermal conductivity than standard nanofluids, hybrid nano-fluids and modified nanofluids have notable applications in aerospace, energy materials, thermal sensors, antifouling, etc. This study aims to the modified and hybrid nanofluid flow with the Carreau fluid over a sloped shrinking sheet. The Cattaneo–Christov heat flux also takes into account. To determine the thermal efficiency of the heat, three different kinds of nanomaterials, copper oxide (CuO), copper (Cu), and alumina (Al2O3), are used. The similarity alteration commutes the insolubility of the model into ODEs. The conclusions are attained by program writing in MATLAB software and dealing with them through the bvp4c solver with the shooting method. The skin-friction amount decreases with the inclined sheet and local Weissenberg parameter for both modified and hybrid nanofluid. An upsurge thermal relaxation parameter declines the skin-friction coefficient for modified nanofluid flow and increases the skin-friction coefficient for hybrid nanofluid flow. The heat transfer rate is upsurged with modified and hybrid nanofluid for thermal relaxation parameter. Furthermore, the presentation includes the development of skin friction coefficient and Nusselt number values for specific parameters. Through benchmarking, numerical solutions are validated using certain limiting situations that were previously published findings, and typically solid correlation is shown. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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18 pages, 7625 KiB  
Article
Impact of Irregular Heat Sink/Source on the Wall Jet Flow and Heat Transfer in a Porous Medium Induced by a Nanofluid with Slip and Buoyancy Effects
by Umair Khan, Aurang Zaib, Anuar Ishak, Samia Elattar, Sayed M. Eldin, Zehba Raizah, Iskandar Waini and Muhammad Waqas
Symmetry 2022, 14(10), 2212; https://0-doi-org.brum.beds.ac.uk/10.3390/sym14102212 - 20 Oct 2022
Cited by 13 | Viewed by 1557
Abstract
In many industries, extremely high-performance cooling is a crucial requirement. However, the fundamental challenge to developing energy-efficient heat transfer fluids required for cooling is insufficient thermal conductivity. In this case, the utilization of nanofluid is effective to overcome these challenges. The current study [...] Read more.
In many industries, extremely high-performance cooling is a crucial requirement. However, the fundamental challenge to developing energy-efficient heat transfer fluids required for cooling is insufficient thermal conductivity. In this case, the utilization of nanofluid is effective to overcome these challenges. The current study aims to examine the two-dimensional (2D) stretching wall jet heat transfer fluid flow induced by a water-based alumina nanofluid embedded in a porous medium with buoyancy force. In addition, irregular heat sink/source and slip effects are assessed. The leading partial differential equations are changed into ordinary differential equations by incorporating similarity variables, then these equations are computationally or numerically worked out via the boundary-value problem of fourth-order (bvp4c) technique. The pertinent factors influencing the symmetry of the hydrothermal performance including friction factor, velocity, and temperature profiles, are illustrated using tables and graphs. The symmetrical outcomes reveal that the velocity declines in the presence of nanoparticles, whereas the temperature uplifts both assisting and opposing flows. Moreover, the friction factor augments due to porosity while the heat transfer rate declines. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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17 pages, 7455 KiB  
Article
Free Convection Heat Transfer and Entropy Generation in an Odd-Shaped Cavity Filled with a Cu-Al2O3 Hybrid Nanofluid
by Mohammad Ghalambaz, Seyed Mohsen Hashem Zadeh, Ali Veismoradi, Mikhail A. Sheremet and Ioan Pop
Symmetry 2021, 13(1), 122; https://0-doi-org.brum.beds.ac.uk/10.3390/sym13010122 - 12 Jan 2021
Cited by 18 | Viewed by 1703
Abstract
The present paper aims to analyze the thermal convective heat transport and generated irreversibility of water-Cu-Al2O3 hybrid nanosuspension in an odd-shaped cavity. The side walls are adiabatic, and the internal and external borders of the enclosure are isothermally kept at [...] Read more.
The present paper aims to analyze the thermal convective heat transport and generated irreversibility of water-Cu-Al2O3 hybrid nanosuspension in an odd-shaped cavity. The side walls are adiabatic, and the internal and external borders of the enclosure are isothermally kept at high and low temperatures of Thand Tc, respectively. The control equations based on conservation laws are formulated in dimensionless form and worked out employing the Galerkin finite element technique. The outcomes are demonstrated using streamlines, isothermal lines, heatlines, isolines of Bejan number, as well as the rate of generated entropy and the Nusselt number. Impacts of the Rayleigh number, the hybrid nanoparticles concentration (ϕhnf), the volume fraction of the Cu nanoparticles to ϕhnf ratio (ϕr), width ratio (WR) have been surveyed and discussed. The results show that, for all magnitudes of Rayleigh numbers, increasing nanoparticles concentration intensifies the rate of entropy generation. Moreover, for high Rayleigh numbers, increasing WR enhances the rate of heat transport. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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Review

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30 pages, 6816 KiB  
Review
A Review on Non-Newtonian Nanofluid Applications for Convection in Cavities under Magnetic Field
by Fatih Selimefendigil, Gürel Şenol, Hakan F. Öztop and Nidal H. Abu-Hamdeh
Symmetry 2023, 15(1), 41; https://0-doi-org.brum.beds.ac.uk/10.3390/sym15010041 - 23 Dec 2022
Cited by 7 | Viewed by 1615
Abstract
This review is about non-Newtonian nanofluid applications for convection in cavities under a magnetic field. Convection in cavities is an important topic in thermal energy system, and diverse applications exist in processes such as drying, chemical processing, electronic cooling, air conditioning, removal of [...] Read more.
This review is about non-Newtonian nanofluid applications for convection in cavities under a magnetic field. Convection in cavities is an important topic in thermal energy system, and diverse applications exist in processes such as drying, chemical processing, electronic cooling, air conditioning, removal of contaminates, power generation and many others. Some problems occur in symmetrical phenomena, while they can be applicable to applied mathematics, physics and thermal engineering systems. First, brief information about nanofluids and non-Newtonian fluids is given. Then, non-Newtonian nanofluids and aspects of rheology of non-Newtonian fluids are presented. The thermal conductivity/viscosity of nanofluids and hybrid nanofluids are discussed. Applications of non-Newtonian nanofluids with magnetohydrodynamic effects are given. Different applications of various vented cavities are discussed under combined effects of using nanofluid and magnetic field for Newtonian and non-Newtonian nanofluids. The gap in the present literature and future trends are discussed. The results summarized here will be beneficial for efficient design and thermal optimization of vented cavity systems used in diverse energy system applications. Full article
(This article belongs to the Special Issue Recent Advances in Conjugate Heat Transfer)
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