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Energies
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Energy Performance of Nanofluids Used for Heat Transfer Applications
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Energy Performance of Nanofluids Used for Heat Transfer Applications

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "J1: Heat and Mass Transfer".

Deadline for manuscript submissions: 31 July 2024 | Viewed by 1333

Special Issue Editor

Dr. Yunus Tansu Aksoy

E-Mail Website
Guest Editor
Department of Mechanical Engineering, Division of Applied Mechanics and Energy Conversion (TME), KU Leuven, B-3001 Leuven, Belgium
Interests: heat transfer; nanofluids, spray cooling, droplet dynamics

Special Issue Information

Dear Colleagues,

Nanofluids, colloidal suspensions containing nanoparticles in a base fluid, have emerged as cutting-edge developments with the potential to revolutionize heat transfer processes and enhance energy efficiency in various applications. The unique properties of nanoparticles dispersed in a base fluid hold the potential to revolutionize traditional heat transfer fluids. However, research in this field has been marked by both promising advances and conflicting results, motivating the need for further investigation and progress. The complexities in nanofluid behavior, along with variations in experimental conditions and nanoparticle types, have contributed to inconsistent outcomes. Despite the conflicts, the research community has made commendable progress in addressing the underlying issues and improving understanding through collaborative efforts between researchers from different disciplines. This Special Issue aims to bring together the latest advancements in nanofluid energy performance, reconcile conflicting results, and foster a deeper understanding of their potential benefits and limitations of nanofluids in order to unlock their full potential in enhancing energy efficiency in heat transfer applications.

We welcome contributions from researchers, scientists, and practitioners engaged in theoretical, experimental, and computational studies related to nanofluid-based heat transfer. Potential topics for submissions may include, but are not limited to:

  1. Theoretical analysis and modeling of nanofluid properties and heat transfer characteristics.
  2. Experimental and numerical investigations of the thermal conductivity and convective heat transfer performance of nanofluids.
  3. Novel nanofluid formulations and their impact on energy efficiency in heat exchangers and cooling systems.
  4. Applications of nanofluids in electronic cooling, solar thermal systems, aerospace, icing, automotive cooling, and other industrial heat transfer processes.
  5. Challenges and solutions to the stability and long-term performance of nanofluids in real-world applications.
  6. Economic feasibility and cost analysis of integrating nanofluids into heat transfer systems.
  7. Comparative studies between nanofluids and conventional heat transfer fluids in terms of energy performance.

As the Guest Editor, I am committed to ensuring that all submitted papers undergo a rigorous peer review process to maintain the high quality and scientific integrity of this Special Issue. The selected contributions will not only advance our understanding of nanofluids, but also foster discussions surrounding the potential applications, limitations, and future directions of this promising technology.

I encourage researchers from various disciplines to contribute their original research, reviews, or case studies to this Special Issue. Together, we can collectively improve our understanding of the energy performance of nanofluids and their transformative role in the advancement of heat transfer applications.

Thank you for your valuable contributions, and I look forward to an enriching and impactful Special Issue.

Dr. Yunus Tansu Aksoy
Guest Editor

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. Energies is an international peer-reviewed open access semimonthly 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 2600 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

  • nanofluids
  • heat transfer
  • energy performance
  • heat transfer applications
  • economic feasibility
  • electronic cooling
  • solar thermal systems
  • sustainable heat transfer
  • heat transfer enhancement

Published Papers (1 paper)

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Research

18 pages, 48383 KiB  
Article
Practical Challenges in Nanofluid Convective Heat Transfer Inside Silicon Microchannels
by Pinar Eneren, Yunus Tansu Aksoy and Maria Rosaria Vetrano
Energies 2023, 16(23), 7885; https://doi.org/10.3390/en16237885 - 2 Dec 2023
Viewed by 998
Abstract
Despite numerous studies on nanofluids in microchannel heat sinks (MCHSs), they are not yet commercialized due to long-term stability issues and high maintenance costs. Therefore, this study explores the impact of nanofluids and nanoparticle clustering on single-phase convective heat transfer inside microchannels under [...] Read more.
Despite numerous studies on nanofluids in microchannel heat sinks (MCHSs), they are not yet commercialized due to long-term stability issues and high maintenance costs. Therefore, this study explores the impact of nanofluids and nanoparticle clustering on single-phase convective heat transfer inside microchannels under laminar conditions. Water and commercially available water-based nanosuspensions, including Al2O3-water (30–60 nm), TiO2-water (5–30 nm), and polystyrene-water (50 nm), are circulated through silicon MCHS having rectangular channels integrated into a closed flow loop. To assess the in situ and real-time nanoparticle clustering during heat transfer experiments, Light Extinction Spectroscopy (LES) is applied as a non-intrusive measurement technique on nanofluids without any fluid sampling. Our findings reveal the appearance of nanofluid discoloration with no measurable increase in heat transfer coefficient. This unexpected change is attributed to the interplay of abrasion, erosion, and corrosion phenomena, likely triggered by the clustering of nanoparticles within the silicon microchannels—a novel insight into the complex dynamics of nanofluid behavior (an increase in the De Brouckere mean diameter from 11 nm to 107.3 nm over a 2.5 h period for TiO2 nanoparticles). The resulting material loss could not be mitigated by altering the nanoparticle material, which may impede heat transfer enhancement under tested conditions. Full article
(This article belongs to the Special Issue Energy Performance of Nanofluids Used for Heat Transfer Applications)
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