Special Issue "Heat Exchangers: Cooling and Heating Systems"

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "Advanced Energy Materials".

Deadline for manuscript submissions: 28 February 2021.

Special Issue Editors

Prof. Dr. Andrej Kitanovski
Website
Guest Editor
Laboratory for Refrigeration and District Energy, University of Ljubljana, Ljubljana, Slovenia
Interests: refrigeration; heat pump; heat transfer; heat exchanger; thermal physics; thermal control; thermal management
Assist. Prof. Dr. Jaka Tušek
Website1 Website2
Guest Editor
Laboratory for Refrigeration and District Energy, University of Ljubljana, Ljubljana, Slovenia
Interests: refrigeration; heat pump; heat transfer; heat exchanger; thermal physics; thermal control; thermal management

Special Issue Information

Dear Colleagues,

Over the last decade, important improvements have been achieved in terms of design, new materials or composites, surface treatment and topology, improved heat transfer, and/or the associated performance of different types of heat exchangers in cooling and heating technology. These include single-phase or phase-change fluids or suspensions, new materials and their composites, advanced topology and improved heat transfer surface, new or improved types of heat exchangers and manufacturing technologies, and new design tools.

For all of the above topics as well as others, summary information on advances in heat exchangers that could provide the reader with the most important and latest knowledge and achievements is missing. This information can undoubtedly promote new ideas for the reader and help researchers to find solutions that can be transferred from one topic to another, making this Special Issue a relevant milestone for any engineer working with heat exchangers in various fields of cooling, heating or process engineering.

Prof. Dr. Andrej Kitanovski
Assist. Prof. Dr. Jaka Tušek
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 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 1800 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 exchanger
  • enhanced heat transfer
  • energy efficiency
  • composites
  • advanced energy materials
  • working fluid
  • nanofluid
  • regenerator
  • recuperator
  • evaporator
  • condenser
  • additive manufacturing

Published Papers (1 paper)

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Research

Open AccessArticle
Numerical Study on the Influence Mechanism of Crosswind on Frozen Phenomena in a Direct Air-Cooled System
Energies 2020, 13(15), 3831; https://doi.org/10.3390/en13153831 - 25 Jul 2020
Abstract
The frozen phenomenon is unfavorable for the direct air-cooled condensers (DACCs) in a very cold area. The effect of crosswind on frozen phenomena in DACCs at the representative 2 × 350 MW thermal power units was investigated numerically. Results showed that when the [...] Read more.
The frozen phenomenon is unfavorable for the direct air-cooled condensers (DACCs) in a very cold area. The effect of crosswind on frozen phenomena in DACCs at the representative 2 × 350 MW thermal power units was investigated numerically. Results showed that when the crosswind velocity was 4 m·s−1, the number of frozen air-cooled units reached a maximum of six. The increase of vortex range in the air-cooled unit was one of the important reasons to restrain the formation of frozen phenomena at a crosswind velocity from 4 m·s−1 to 12 m·s−1. The frozen phenomena in the DACC disappeared when the crosswind velocity was 12 m·s−1. As the crosswind velocity continued to increase to 28 m·s−1, the frozen region mainly appeared at the position of column 1 row 4, where the airflow rate was the maximum and the inlet air temperature was the minimum among all air-cooled units. This phenomenon occurred because there existed a relatively high-pressure zone near the inlet of each frozen air-cooled unit. In addition, although the frozen area increased from one-third of the air-cooled unit surface to half with the crosswind velocity from 20 m·s−1 to 28 m·s−1, the flow characteristics and the size of vortices in the air-cooled unit were similar in the above two crosswind conditions. Therefore, the key influencing factor became the airflow rate and the inlet air temperature of the air-cooled units under strong crosswind conditions. This study has important guiding significance for the antifreezing design and operation of DACCs. Full article
(This article belongs to the Special Issue Heat Exchangers: Cooling and Heating Systems)
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Planned Papers

The below list represents only planned manuscripts. Some of these manuscripts have not been received by the Editorial Office yet. Papers submitted to MDPI journals are subject to peer-review.

Title: Recent Advances in Polymer Heat Exchangers for HVAC&R Applications
Authors: Primož Poredoš, Boris Vidrih, Stefano Dall'Ollio, Andrej Kitanovski
Affiliation: University of Ljubljana, Ljubljana, Slovenia

Title: Condensation of Water Vapor in the Presence of Non-condensable Gas on Vertical Plates and Horizontal Pipes Heat Exchangers - Experimental and Semi-empirical Investigation
Authors: Primož Poredoš, Nada Petelin, Boris Vidrih, Pero Gatarić, Andrej Kitanovski
Affiliation: University of Ljubljana, Ljubljana, Slovenia

Title: Evaporator Frosting and Defrosting: Fundamentals, Modeling and Design
Authors: Joel Boeng, Christian J. L. Hermes
Affiliation: POLO Laboratories, Department of Mechanical Engineering, Federal University of Santa Catarina, Brazil

Title: Recent Advances in Design and Application of Ground Heat Exchangers
Authors: Luka Boban, Iva Bertović, Vladimir Soldo
Affiliation: University of Zagreb, Faculty of Mechanical Engineering and Naval Architecture

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