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Advances in Solar Photovoltaic/Thermal (PV/T) Systems for Combined Energy Production and Efficient Thermal Management

A special issue of Energies (ISSN 1996-1073). This special issue belongs to the section "A2: Solar Energy and Photovoltaic Systems".

Deadline for manuscript submissions: 31 March 2025 | Viewed by 1644

Special Issue Editors


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Guest Editor
School of Built Environment, Engineering and Computing, Leeds Beckett University, Leeds LS2 8AG, UK
Interests: energy efficiency in building services; thermal energy storage; demand-based system modelling
Special Issues, Collections and Topics in MDPI journals
Energy and Environment Institute, University of Hull, Hull HU67RX, UK
Interests: heat pump; solar thermal conversion; concentrated solar power; thermal storage; organic rankine cyle; refrigeration cycle
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleague,

The transformation of solar energy into usable forms is an essential field for reducing carbon emissions and increasing the market share of energy generated from renewable sources. Specifically, solar photovoltaic/thermal systems can provide sustainable electrical energy and thermal energy simultaneously, potentially covering most building energy consumption.

Advanced PV/T systems typically include innovative solar panel designs that incorporate both PV cells for electricity and heat-absorbing materials for thermal energy collection. Additionally, advanced thermal management techniques are employed to regulate and utilize the heat generated by the system for various applications such as space heating, water heating, power generation or industrial processes. This Special Issue aims to present the advances in PV/T systems and thermal energy management in terms of theoretical, experimental and economic studies and to provide a deeper understanding of contemporary trends.

The Special Issue welcomes papers related to solar PV/T collectors including flat plate and concentrated solar collectors, solar cooling, heating and power generation systems with ORC, thermal energy storage systems and demand-based system analysis.

Dr. Cagri Kutlu
Dr. Jing Li
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. 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

  • solar thermal collectors
  • PV/T
  • solar-assisted ORC
  • compact thermal energy storage

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Published Papers (1 paper)

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Research

21 pages, 4715 KiB  
Article
Assessment of the Impact of Direct Water Cooling and Cleaning System Operating Scenarios on PV Panel Performance
by Krzysztof Sornek
Energies 2024, 17(17), 4392; https://doi.org/10.3390/en17174392 - 2 Sep 2024
Viewed by 1111
Abstract
Among the various renewable energy-based technologies, photovoltaic panels are characterized by a high rate of development and application worldwide. Many efforts have been made to study innovative materials to improve the performance of photovoltaic cells. However, the most commonly used crystalline panels also [...] Read more.
Among the various renewable energy-based technologies, photovoltaic panels are characterized by a high rate of development and application worldwide. Many efforts have been made to study innovative materials to improve the performance of photovoltaic cells. However, the most commonly used crystalline panels also have significant potential to enhance their energy yield by providing cooling and cleaning solutions. This paper discusses the possibility of introducing a dedicated direct-water cooling and cleaning system. As assumed, detailed schedules of the operation of the developed direct water cooling and cleaning system should be fitted to actual weather conditions. In this context, different cooling strategies were proposed and tested, including different intervals of opening and closing water flow. All tests were conducted using a dedicated experimental rig. 70 Wp monocrystalline panels were tested under laboratory conditions and 160 Wp polycrystalline panels were tested under real conditions. The results showed that introducing a scenario with a 1-min cooling and a 5-min break allowed for proving the panel’s surface temperature lower than 40 °C. In comparison, the temperature of the uncooled panel under the same operating conditions was close to 60 °C. Consequently, an increase in power generation was observed. The maximum power increase was observed in July and amounted to 15.3%. On the other hand, considering selected weeks in May, July, and September, the average increase in power generation was 3.63%, 7.48%, and 2.51%, respectively. It was concluded that the division of photovoltaic installation allows reasonable operating conditions for photovoltaic panels with a lower amount of energy consumed to power water pumps. Full article
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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: Comparative Analysis of PV/T and Hybrid Systems with Integrated EV Charging and PCM Storage for Efficient Space Heating
Authors: Cagri Kutlu1; Abdullah Dik1; Mehmet Tahir Erdinc1,2; Yuehong Su1; Saffa Riffat1
Affiliation: 1Department of Architecture and Built Environment, University of Nottingham, University Park, UK 2Department of Mechanical Engineering, Tarsus University, 33400 Tarsus/Mersin, Turkey
Abstract: This paper conducts a comparative analysis of photovoltaic-thermal (PV/T) and hybrid solar systems, integrating both electric vehicle (EV) charging and phase change material (PCM)-enhanced heat storage, tailored for efficient space heating in low solar irradiance environments. The core focus is on optimizing the size and proportion of the solar collectors, alongside the strategic use of PV modules, to maximize system efficiency and environmental sustainability. Through control systems, the operation of these solar setups is finely adjusted to meet residential heating demands working with heat pump while minimizing CO2 emissions. The study employs an advanced optimization framework that evaluates different configurations of PV/T and separate PV and thermal collectors. It examines the impact of various collector setups on the system's overall performance, particularly in terms of energy efficiency and CO2 emission reduction. Additionally, smart controls are designed to optimize the timing of heat pump operation and EV charging, aligning with periods of low electricity tariffs and high renewable energy output. By leveraging real-world weather data and a detailed building energy model, the research ensures that optimized solutions are both practical and effective, offering significant improvements over traditional heating systems.

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