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Advances in Applications, Operating, Design and Modelling of Heat Transfer Equipment

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

Deadline for manuscript submissions: closed (19 July 2024) | Viewed by 4665

Special Issue Editor


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Guest Editor
Faculty of Mechanical Engineering, Brno University of Technology, Technicka 2, 616 69 Brno, Czech Republic
Interests: applied and enhanced heat transfer; process and power heat transfer equipment (low-emission burners, combustion systems, process-fired heaters, boilers, heat exchangers); simulation, optimization, and CFD applications of heat transfer equipment in the process and power industry; process and equipment design and integration for energy savings and emissions reduction; thermal treatment and energy utilization of waste (waste-to-energy); energy savings and environmental protection
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Special Issue Information

Dear Colleagues,

Heat exchangers, fired heaters, furnaces and water or steam boilers belong to the essential heat transfer equipment in production processes of most industry sectors (power, food, pharmaceutical, chemical, petrochemical, refinery, energy, etc.) as well as applications of the communal sphere (waste incineration plants, heating plants, laundries, hospitals, spa and health resorts, server rooms, etc.). Increasing demands for economical, efficient and environmental heat energy management can only be achieved when not only the layout of the whole system but also the individual heat transfer equipment will be designed according to state-of-the-art knowledge. The purpose of this Special Issue is to publish the latest advances in the design, modeling and operation of traditional heat transfer equipment, and in the field of unconventional and innovative designs of heat transfer equipment and their applications.

Dr. Zdenek Jegla
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.

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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

  • heat exchangers
  • fired heaters and furnaces
  • water or steam boilers
  • unconventional and innovative heat transfer equipment
  • advances in modelling and operating
  • new approaches and applications of heat transfer equipment

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Published Papers (2 papers)

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Research

14 pages, 3217 KiB  
Article
Numerical Investigation of the Two-Phase Closed Thermosyphon Operating with Non-Uniform Heat Flux Profiles
by Zhao Wang, Ali Turan and Timothy Craft
Energies 2023, 16(13), 5141; https://doi.org/10.3390/en16135141 - 3 Jul 2023
Cited by 1 | Viewed by 1614
Abstract
The two-phase closed thermosyphon (TPCT) or wickless heat pipe has been widely considered as an extremely effective and low-cost heat removal device for various applications. A computational fluid dynamics (CFD) investigation of the TPCT can provide detailed information regarding its design and development. [...] Read more.
The two-phase closed thermosyphon (TPCT) or wickless heat pipe has been widely considered as an extremely effective and low-cost heat removal device for various applications. A computational fluid dynamics (CFD) investigation of the TPCT can provide detailed information regarding its design and development. In this study, the effect of non-uniform heat-input profiles on a vertical TPCT has been investigated. A CFD model has been built to simulate the evaporation and condensation processes within the TPCT investigated, using a solver based on OpenFOAM which has been modified and validated against experimental data reported in the open literature. Four non-uniform heating profiles of the TPCT have been investigated, and the effects these have on the internal flow field within the pipe are discussed. Simulation results show that the non-uniform heat flux profiles can impact thermal performance depending on the overall heat loading and the heat flux profile. Full article
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23 pages, 91146 KiB  
Article
Technology for Hot Spring Cooling and Geothermal Heat Utilization: A Case Study for Balneology Facility
by Marek Vondra, Jiří Buzík, David Horňák, Michaela Procházková, Václav Miklas, Michal Touš, Zdeněk Jegla and Vítězslav Máša
Energies 2023, 16(7), 2941; https://doi.org/10.3390/en16072941 - 23 Mar 2023
Cited by 2 | Viewed by 2547
Abstract
Reducing energy costs in Europe is more challenging than before due to extreme price increases. The use of local renewable energy sources is one way to contribute to this effort. In the case of spa resorts, the use of heat from hot springs [...] Read more.
Reducing energy costs in Europe is more challenging than before due to extreme price increases. The use of local renewable energy sources is one way to contribute to this effort. In the case of spa resorts, the use of heat from hot springs for therapeutic baths is an option. It is necessary to cool down this thermal mineral water to a temperature acceptable to the human body. However, due to the high mineral content of this water, heavy fouling can be a problem for conventional heat exchangers. The purpose of this study is to identify the suitable cooling technology in terms of required cooling capacity and waste heat recovery capability. The cooling technology was selected on the basis of a literature search. A pilot cooling unit consisting of vacuum cooler and plate heat exchanger was designed and tested in a real spa resort for six months. Both selected technologies have demonstrated the ability to cool thermal mineral water in long-term operation, as well as the possibility to utilize waste heat for domestic hot water heating. However, fouling problems occur in the plate heat exchanger. The vacuum cooler demonstrated greater operational robustness and resistance to encrustation. Full article
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