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Special Issue "Advanced Technologies Applied to Renewable Energy"

A special issue of Sustainability (ISSN 2071-1050).

Deadline for manuscript submissions: 23 March 2023 | Viewed by 962

Special Issue Editors

Dr. Hussein A Kazem
E-Mail Website
Guest Editor
Faculty of Engineering, Sohar University, P.O. Box 44, Sohar PCI 311, Oman
Interests: photovoltaic power systems; photovoltaic/thermal systems (pV/ T ); power electronics; power systems and power quality; electrical machines and drive; renewable energy; solar energy; hybrid renewable energy systems optimization
Prof. Dr. Miqdam Chaichan
E-Mail Website
Guest Editor
Energy and Renewable Energies Technology Center, University of Technology, Baghdad 10001, Iraq
Interests: renewable and sustainable energy; nano-PCM; PV/T; paraffins; hydrogen combustion
Dr. Ali H. A. Al-Waeli
E-Mail Website
Guest Editor
Engineering Department, American University of Iraq, Sulaimani, Kurdistan Region, Sulaimani, Iraq
Interests: renewable energy; solar energy and photovoltaics; PVT collectors; hybrid PV systems with Genset, wind turbines and hydrogen generators; nanofluids, nano-PCM, organic PCM; energy efficiency; artificial neural networks (ANN), machine learning, predictive algorithms; life cycle cost assessment and levelized cost of electricity; hybrid micro-grid renewable designs; rural electrification; sustainability in palm oil industry
Dr. Hasila Jarimi
E-Mail Website
Guest Editor
Solar Energy Research Institute, Universiti Kebangsaan Malaysia, Bangi 43600, Selangor, Malaysia
Interests: sustainable energy technologies (solar thermal storage; solar-assisted cooling and heating); low-energy architecture (advanced glazing technology); sustainable energy technology in agriculture

Special Issue Information

Dear Colleagues,

Renewable energy technologies have emerged as viable sources of alternative energies, particularly during the last decade. Adopting these technologies is a crucial element for improving energy efficiency and sustainability, in addition to the ecological efforts to reduce carbon footprint and greenhouse gas emissions. The utilization of solar energy technologies is at the forefront of these energies, with a global contribution of around 472 GWth for solar thermal systems in 2017, and 633.7 GWel for photovoltaic (PV) systems in 2019.

Since the 1970s, various techniques for the cooling of PV systems have been studied, and from this research, the hybrid photovoltaic thermal (PV/T) collector emerged. A collector combines PV and solar thermal systems to simultaneously produce electrical and thermal energies. The electrical energy of the PV is enhanced because of the cooling achieved through the solar thermal component.

It is essential that humans worldwide become reliant on renewable energies, which are based on environmentally reliable and naturally available systems. According to global statistics, since 2010, global non-hydro power renewable energy production has reached 3.3%. This dependence on renewable energies is constantly growing with the support of new policies, which succeeded in raising this rate to 5% in 2011. Renewable energy systems provide feasible electrification in on- and off-grid systems. One or more types of renewable energy systems can be used as wind energy, solar energy, hydropower, ocean energy, etc. Recently, many researchers encouraged using hybrid renewable energy systems that include two or more different renewable energy systems in addition to different energy storage systems. These systems, as indicated by researchers, give promising potential for the electrification of cities and remote areas.

Therefore, we invite papers on the design and implementation of advanced types of solar, wind, hydro, wave, tide, ocean, and hydrogen energies as well as fuel cell systems through original research papers, review papers, case studies, and  experimental, analytical, and numerical studies that are relevant to the topic of renewable energy.

We look forward to receiving your contributions.

Conflicts of Interest

The Guest Editors would like to declare they have no competing interests (no financial interests, business interests, or a professional partnerships or relationships with a commercial company involved in the topic).

Dr. Hussein A Kazem
Prof. Dr. Miqdam Chaichan
Dr. Ali H. A. Al-Waeli
Dr. Hasila Jarimi
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. Sustainability 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 2000 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 photovoltaic systems
  • solar thermal systems
  • hybrid photovoltaic thermal collectors
  • wind energy systems
  • hydro, wave, tide, and ocean energy systems
  • hydrogen production and fuel cells

Published Papers (2 papers)

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Research

Article
Modified Nano-Fe2O3-Paraffin Wax for Efficient Photovoltaic/Thermal System in Severe Weather Conditions
Sustainability 2022, 14(19), 12015; https://doi.org/10.3390/su141912015 - 23 Sep 2022
Viewed by 358
Abstract
The development of modern photovoltaic thermal systems (PV/T) is one of the most important steps in the application of using solar energy to produce both electricity and heat. Studies have shown that a system consisting of a heat-collecting tank the is most efficient [...] Read more.
The development of modern photovoltaic thermal systems (PV/T) is one of the most important steps in the application of using solar energy to produce both electricity and heat. Studies have shown that a system consisting of a heat-collecting tank the is most efficient system, in which the phase change materials (PCMs) are mixed with nanoparticles inside the system that are cooled by a cooling fluid (preferably a nanofluid). The PCMs have a high capacity to store energy in the form of latent heat. Nanoparticles are added to PCMs to treat and improve the low thermal conductivity of these materials. In this experimental study, nano-iron oxide III (Fe2O3) was added to paraffin wax in multiple mass fractions to evaluate the thermophysical changes that can be occur on the wax properties. Four samples of paraffin–nano-Fe2O3 were prepared with mass fractions of 0.5%, 1%, 2% and 3%, and their thermophysical properties were compared with pure paraffin (without nano additives). The results from this study showed that adding nano-Fe2O3 at any mass fraction increases the viscosity and density of the product. Thermal conductivity is improved by adding nano-Fe2O3 to paraffin wax by 10.04%, 57.14%, 76.19%, and 78.57% when adding mass fractions of 0.5%, 1%, 2%, and 3%, respectively. Stability tests showed that the prepared samples have excellent thermal stability (especially for 0.5% and 1% added nano-Fe2O3) to acceptable level of stability when adding 3% of nano-Fe2O3. The nano-Fe2O3 paraffin PV/T system was tested outdoors to ensure its ability to operate in the harshest weather conditions of Baghdad city. The current experimental results indicated clear evidence of the success of the examined nano-PCM. Full article
(This article belongs to the Special Issue Advanced Technologies Applied to Renewable Energy)
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Article
Effect of Temperature on the Electrical and Thermal Behaviour of a Photovoltaic/Thermal System Cooled Using SiC Nanofluid: An Experimental and Comparison Study
Sustainability 2022, 14(19), 11897; https://doi.org/10.3390/su141911897 - 21 Sep 2022
Viewed by 252
Abstract
A photovoltaic/thermal system (PV/T) was investigated experimentally using silicon carbide nanofluid as a cooling fluid. A PV/T system was tested in Oman with 0.5 wt.% of nanoparticles in terms of thermophysical properties, performance parameters, and efficiencies. At 25 °C, it was found that [...] Read more.
A photovoltaic/thermal system (PV/T) was investigated experimentally using silicon carbide nanofluid as a cooling fluid. A PV/T system was tested in Oman with 0.5 wt.% of nanoparticles in terms of thermophysical properties, performance parameters, and efficiencies. At 25 °C, it was found that there is an increase in the fluid’s thermal conductivity, density, and viscosity up to 6.64%, 13%, and 12%, respectively. When examining the effect of increasing the density and viscosity (by adding nanoparticles to the base fluid) on the pumping power, it was found that using turbulent flow reduces the required pumping force and vice versa for the case of laminar flow. The electrical efficiency was enhanced by up to 25.3% compared with the conventional PV module and the thermal efficiency by up to 98.6% compared with the water-cooling PV/T system. The results were compared with the literature in terms of cooling methods, nanoparticles, and similar studies that used SiC nanofluid. The results and comparison of this study are useful for engineers and researchers interested in nanofluid cooling of PV/T systems. The study aims to facilitate the task of engineers and designers of photovoltaic plants in Oman to obtain the best means to overcome the effects of high solar radiation intensity and high ambient temperatures and the best PV/T systems for this purpose. Full article
(This article belongs to the Special Issue Advanced Technologies Applied to Renewable Energy)
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