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Special Issue "Heat Transfer Enhancement"

A special issue of Energies (ISSN 1996-1073).

Deadline for manuscript submissions: 28 February 2019

Special Issue Editors

Guest Editor
Prof. Dr. Mikhail Sheremet

Head of the Department of Theoretical Mechanics, Tomsk State University, Tomsk 634050, Russia
Website | E-Mail
Interests: heat and mass transfer; fluid mechanics; electronics cooling; nanofluids; phase change materials; computational fluid dynamics
Guest Editor
Prof. Oronzio Manca

Dipartimento di Ingegneria, Università degli Studi della Campania "Luigi Vanvitelli", 81100 Caserta, Italy
Website | E-Mail
Interests: heat transfer; thermal sciences and applied thermodynamics
Guest Editor
Prof. Ioan Pop

Faculty of Mathematics and Computer Science, Babeş-Bolyai University, 400084 Cluj-Napoca, Romania
Website | E-Mail
Phone: 0040722218681
Interests: fluid mechanics; heat transfer; boundary layer; numerical methods

Special Issue Information

Dear Colleagues,

Development of modern engineering applications demands the heat transfer enhancement. At the same time, efficient heat transfer equipment is necessary to reduce energy consumption and improve energy savings. Such techniques allow also to reduce emissions and pollution and to obtain more control in carbon dioxide increase. Heat transfer enhancement is both very attractive and challenging in the research and industry fields. It has a fundamental role in improving energy efficiency, as well as in developing thermal systems with high performances. Heat transfer enhancement techniques can be found in different engineering applications, such as solar energy systems, thermal control, electronics cooling, nuclear reactors, heat exchangers, automotive cooling, refrigeration, chemical process, etc. They are classified as passive methods and active methods. In the first method, no direct application of external power is required, whereas in the second method an external power source is necessary. The effectiveness of heat transfer enhancement techniques is strongly related to the heat transfer mechanisms. This can be due to single-phase free convection and dispersed-flow film boiling. Plate fins, nanofluids, and porous insertions can be considered as examples of passive techniques, while magnetic fields, induced vibrations, and rotations are examples of active techniques. The present Special Issue is a good opportunity to collect original papers on the most recent research activities on the topic to provide useful guidelines for future research directions and engineering applications.

Prof. Dr. Mikhail Sheremet
Prof. Oronzio Manca
Prof. Ioan Pop
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 papers will be 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 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 1600 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 and mass transfer
  • nanofluids
  • phase change materials
  • porous media
  • turbulent transport
  • heat-generating elements
  • electronics cooling
  • solar collectors

Published Papers (1 paper)

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Research

Open AccessArticle Effects of Non-Homogeneous Nanofluid Model on Natural Convection in a Square Cavity in the Presence of Conducting Solid Block and Corner Heater
Energies 2018, 11(10), 2507; https://doi.org/10.3390/en11102507
Received: 1 September 2018 / Revised: 12 September 2018 / Accepted: 14 September 2018 / Published: 20 September 2018
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Abstract
This study investigates numerically the effect of the two-phase nanofluid model due to natural convection within a square cavity along with the existence of a conducting solid block, and a corner heater using the finite difference method (FDM). The top horizontal wall is
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This study investigates numerically the effect of the two-phase nanofluid model due to natural convection within a square cavity along with the existence of a conducting solid block, and a corner heater using the finite difference method (FDM). The top horizontal wall is retained at a cold temperature that is fixed as constant, while the isothermal heater is positioned at the bottom left corner within the square cavity. The remaining fractions of the right vertical wall and the heated wall are set to be adiabatic. The water-based nanofluid, together with Al 2 O 3 nanoparticles, have been evaluated by determining the following parameters: the volume fraction of nanoparticles, thickness of solid block, Rayleigh number, and the solid block thermal conductivity. As a result, the comparative evaluation with outputs reported in publications and prior experimental works has pointed out exceptional agreement with the findings retrieved in this study. The experimental outcomes are graphically illustrated in terms of the average and local Nusselt numbers, isotherms, distribution of nanoparticles, and the streamlines. The findings indicate that an elevation of the thermal conductivity in blocks with a similar size successfully increases the transfer rate of heat, wherein the dominance of conduction has been observed. Full article
(This article belongs to the Special Issue Heat Transfer Enhancement)
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