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Applied Sciences
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Advances in Solar Collector: Techniques and Applications
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Advances in Solar Collector: Techniques and Applications

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Energy Science and Technology".

Deadline for manuscript submissions: closed (20 March 2024) | Viewed by 3136

Special Issue Editor

Dr. Wan Sharuzi Wan Harun

E-Mail Website
Guest Editor
Associate Professor, Department of Mechanical Engineering, College of Engineering, Universiti Malaysia Pahang, Gambang 26300, Pahang, Malaysia
Interests: polymer composite; 3D printing; hybrid nanofluids; solar collectors; thermal properties

Special Issue Information

Dear Colleagues,

We invite submissions to the Special Issue on Advances in Solar Collector: Techniques and Applications.

Global warming is the most severe problem humanity faces in the twenty-first century. To avoid additional global warming, the world must transition from fossil fuels to carbon-free energy sources such as solar energy. However, the current generation of solar collectors is incapable of fulfilling the worldwide need for energy supply. Therefore, new creative technologies are required to close the gap between solar energy production and demand. Phase change materials (PCM) are among the most effective and active research fields regarding long-term heat energy storage and thermal management. Due to their excellent properties, they can be coupled with solar collectors to conserve surplus solar energy and regulate the temperature of photovoltaic solar collectors. However, PCM’s actual applications are limited due to their poor thermal conductivity, availability, cost, and various challenges. This Special Issue is devoted to Advances in Solar Collector: Techniques and Applications in various research fields. The Special Issue focuses on recent advancements in integrating various techniques and applications into various solar collectors. Furthermore, it aims to detail numerous strategies and diverse improvement approaches and modifications developed to improve the performance of PCMs incorporated into solar collectors. Finally, comprehensive directions are expected to offer the researcher ideas and feasible concepts for future solar collectors’ system development research.

In this Special Issue, we request submissions studying cutting-edge research and recent solar collectors advances focusing on its techniques and applications. Both theoretical and experimental studies are welcome, as well as comprehensive reviews and survey papers.

Dr. Wan Sharuzi Wan Harun
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. Applied Sciences 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 2400 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 energy
  • Phase Change Material (PCM);
  • solar collectors
  • solar dish collector
  • design
  • optimization
  • hybrid configurations
  • power generation
  • renewable energy
  • heat pipe
  • evacuated tube solar collector
  • nanofluid
  • working fluids
  • design aspects
  • flow inserts
  • thermal efficiency
  • drying chamber
  • solar absorber
  • thermal energy storage
  • concentrating solar power
  • selective coating

Published Papers (2 papers)

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Research

22 pages, 7790 KiB  
Article
Multicriteria Analysis of a Solar-Assisted Space Heating Unit with a High-Temperature Heat Pump for the Greek Climate Conditions
by Evangelos Bellos, Panagiotis Lykas, Dimitrios Tsimpoukis, Dimitrios N. Korres, Angeliki Kitsopoulou, Michail Gr. Vrachopoulos and Christos Tzivanidis
Appl. Sci. 2023, 13(6), 4066; https://doi.org/10.3390/app13064066 - 22 Mar 2023
Cited by 1 | Viewed by 1350
Abstract
The goal of this investigation is the thorough analysis and optimization of a solar-assisted heat pump heating unit for covering the space heating demand for a building in Athens, Greece. The novelty of the studied system is the use of a high-temperature heat [...] Read more.
The goal of this investigation is the thorough analysis and optimization of a solar-assisted heat pump heating unit for covering the space heating demand for a building in Athens, Greece. The novelty of the studied system is the use of a high-temperature heat pump that can operate with radiative terminal units, leading to high thermal comfort standards. The examined system includes flat-plate solar thermal collectors, an insulated thermal storage tank, auxiliary electrical thermal resistance in the tank and a high-temperature heat pump. The economic optimization indicates that the optimal design includes 35 m2 of solar thermal collectors connected with a storage tank of 2 m3 for facing the total heating demand of 6785 kWh. In this case, the life cycle cost was calculated at 22,694 EUR, the seasonal system coefficient of performance at 2.95 and the mean solar thermal efficiency at 31.60%. On the other hand, the multi-objective optimization indicates the optimum design is the selection of 50 m2 of solar field connected to a thermal tank of 3 m3. In this scenario, the life cycle cost was calculated at 24,084 EUR, the seasonal system coefficient of performance at 4.07 and the mean solar thermal efficiency at 25.33%. Full article
(This article belongs to the Special Issue Advances in Solar Collector: Techniques and Applications)
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13 pages, 2109 KiB  
Article
Parametric Optimization and Numerical Analysis of GaAs Inspired Highly Efficient I-Shaped Metamaterial Solar Absorber Design for Visible and Infrared Regions
by Meshari Alsharari, Ammar Armghan and Khaled Aliqab
Appl. Sci. 2023, 13(4), 2586; https://doi.org/10.3390/app13042586 - 17 Feb 2023
Cited by 2 | Viewed by 1367
Abstract
Renewable energy demand is increasing as fossil fuels are limited and pollute the environment. The solar absorber is an efficient renewable energy source that converts solar radiation into heat energy. We have proposed a gallium arsenide-backed solar absorber design made with a metamaterial [...] Read more.
Renewable energy demand is increasing as fossil fuels are limited and pollute the environment. The solar absorber is an efficient renewable energy source that converts solar radiation into heat energy. We have proposed a gallium arsenide-backed solar absorber design made with a metamaterial resonator and SiO2 substrate. The metamaterial resonator is investigated with thin wire metamaterial and I-shaped metamaterial designs. The I-shape metamaterial design outperforms the thin wire metamaterial design and gives 96% average absorption with a peak absorption of 99.95%. Structure optimization is applied in this research paper using parametric optimization. Nonlinear parametric optimization is used because of the nonlinear system results. The optimization method is used to optimize the design and improve the efficiency of the solar absorber. The gallium arsenide and silicon dioxide thicknesses are modified to see how they affect the absorption response of the solar absorber design. The optimized parameter values for SiO2 and GaAs thicknesses are 2500 nm and 1000 nm, respectively. The effect of the change in angles is also investigated in this research. The absorption is high for such a wide angle of incidence. The angle of 30° only shows a lower absorption of about 30–50%. The effect of the change in angles is also investigated in this research. The design results are verified by presenting the E-field results for different wavelengths. The optimized solar absorber design applies to renewable energy applications. Full article
(This article belongs to the Special Issue Advances in Solar Collector: Techniques and Applications)
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