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Energies
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Numerical and Experimental Methods in Research: Renewable Energy Systems
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Numerical and Experimental Methods in Research: Renewable Energy Systems

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

Deadline for manuscript submissions: 17 September 2024 | Viewed by 854

Special Issue Editors

Dr. Krzysztof Rusin

E-Mail Website
Guest Editor
Department of Power Engineering and Turbomachinery, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: CFD methods; turbomachinery; optimisation methods; fluid mechanics;
Special Issues, Collections and Topics in MDPI journals
Dr. Sebastian Rulik

E-Mail Website
Guest Editor
Department of Power Engineering and Turbomachinery, Faculty of Energy and Environmental Engineering, Silesian University of Technology, 44-100 Gliwice, Poland
Interests: CFD methods; turbomachinery; acoustics; heat transfer; fluid mechanics;
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Renewable energy systems have been gaining more share in the energy mix of many countries. There are many reasons explaining this trend: depletion of fossil fuels, an abundance of renewable energy sources or a tendency to decentralize energy systems. However, technical advancement aiming at an increase in efficiency, reliability and availability of these systems is a key factor if this trend is to continue. This Special Issue aims to present and disseminate the advances related to numerical, experimental and analytical investigations of renewable energy systems as well as their integration and impact on the national power systems.

Topics of interest for publication include, but are not limited to:

  • Experimental investigations of various renewable energy systems
  • Numerical methods in prediction of the performance of the renewable energy systems
  • Optimization of the structure of the renewable energy systems
  • Impact of renewable energy sources on the power system reliability
  • Integration of energy storage with the renewable energy systems
  • Ecological cost of renewable energy sources
  • Disposal of the components of the renewable energy systems

Dr. Krzysztof Rusin
Dr. Sebastian Rulik
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

  • renewable energy sources
  • photovoltaics
  • wind energy
  • geothermal energy
  • hydropower
  • biomass
  • power systems
  • energy storage
  • ecological cost
  • CFD methods

Published Papers (1 paper)

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Research

29 pages, 10312 KiB  
Article
Energy Generation Intensity (EGI) of Solar Updraft Tower (SUT) Power Plants Relative to CSP Plants and PV Power Plants Using the New Energy Simulator “Aladdin”
by Osama A. Marzouk
Energies 2024, 17(2), 405; https://doi.org/10.3390/en17020405 - 13 Jan 2024
Cited by 2 | Viewed by 653
Abstract
The current investigation provides information about solar updraft tower power plants, SUTPPs (also called solar chimney power plants, SCPPs), which form a unique method of solar-powered electricity production through a ducted wind turbine driven by induced airflow as a result of solar heating. [...] Read more.
The current investigation provides information about solar updraft tower power plants, SUTPPs (also called solar chimney power plants, SCPPs), which form a unique method of solar-powered electricity production through a ducted wind turbine driven by induced airflow as a result of solar heating. The investigation is conducted using numerical modeling via the system-level simulation tool Aladdin (developed and released freely by the Institute for Future Intelligence, IFI) for solar energy systems, wind energy systems, or the built environment. The Aladdin energy simulator is first evaluated here by comparison with published experimental and numerical results corresponding to the historical 50 kW prototype SUTPP that was successfully tested in Manzanares (Spain) between 1982 and 1989. This prototype has a height of about 195 m for the chimney (the updraft tower) and a radius of about 122 m for the solar heat absorber (the solar air collector or the greenhouse). Next, various climate and performance characteristics are investigated and contrasted for nine different locations around the world with a similar latitude of 24°, which is within the sunbelt, assuming that the same Manzanares SUTPP prototype geometry is employed in these locations. These nine locations are Muscat (Oman), Al Jawf (Libya), Riyadh (Saudi Arabia), Karachi (Pakistan), Ahmedabad (India), Havana (Cuba), Culiacán (Mexico), Dhaka (Bangladesh), and Baise (China). The energy generation intensity (EGI) for the Manzanares-type solar updraft tower power plant in these nine examined locations was between 0.93 kWh/m2 per year (in Baise) and 2.28 kWh/m2 per year (in Muscat). Also, Muscat had the smallest seasonality index (maximum-to-minimum monthly electric output) of 1.90, while Baise had the largest seasonality index of 4.48. It was found that the main limitation of the overall SUTPP energy conversion efficiency is the chimney efficiency (the process of accelerating the air after entering the chimney). This study concludes that solar updraft towers (SUTs) cannot compete with existing mature and modular renewable energy alternatives, particularly photovoltaic (PV) panels, if the aimed use is commercial utility-scale electricity generation. Instead, SUTs may become attractive and achievable if viewed as hybrid-use projects by serving primarily as a large-scale greenhouse area for agricultural applications while secondarily allowing energy harvesting by generating clean (emissions-free) electricity from the incoming solar radiation heat. Full article
(This article belongs to the Special Issue Numerical and Experimental Methods in Research: Renewable Energy Systems)
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