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Solar Energy for Cooling and Power Generation

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: 30 September 2024 | Viewed by 2946

Special Issue Editors


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Guest Editor
Technische Hochschule Ostwestfallen-Lippe, University of Applied Sciences and Arts, Lemgo, Germany
Interests: renewable energy, especially solar cooling and HPC systems

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Guest Editor
Renewable Energy Technology Department, Applied Science Private University, Amman, Jordan
Interests: nanotechnology; renewable energy; alternative sources of fuels, combustion, and pollution
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

We are inviting submissions to a Special Issue of Energies on the subject area of “Solar Energy for Cooling and Power Generation”.

Solar energy is a clean, abundant, and renewable source of energy that has the potential to provide sustainable solutions for heating, cooling, and power generation. However, in order to effectively harness the power of the Sun, it is essential to convert and store solar energy.  The conversion and storage of solar energy are critical for both cooling and power generation applications. By effectively harnessing the power of the Sun, it is possible to provide sustainable solutions that are both environmentally friendly and cost-effective. As technology continues to advance, it is likely that solar energy will play an increasingly important role in meeting our cooling and power generation needs.

One of the most common methods of converting solar energy into usable electricity is through the use of photovoltaic (PV) cells. PV cells are composed of layers of materials, such as silicon, that are able to absorb sunlight and convert it into electricity. The electricity generated by the PV cells can then be used to power a variety of devices, including air conditioning units and other cooling systems.  Another method of storing solar energy is through the use of thermal storage systems. These systems work by using solar energy to heat a storage medium, such as water or a phase-change material, during periods of peak sunlight. The stored heat can then be used to generate electricity or to provide cooling when sunlight is not available.

In addition to converting solar energy into electricity, it is also possible to store solar energy for later use. One way to do this is through the use of batteries, which can store the excess energy generated by PV cells during periods of peak sunlight. The stored energy can then be used to power cooling systems and other devices during times when sunlight is not available. One particular application of solar energy for cooling is through using thermal energy to drive absorption and adsorption chillers. Absorption and adsorption chillers use a heat source, such as solar energy, to drive a refrigeration cycle that provides cooling. This makes them an attractive option for cooling applications in areas with abundant sunlight, such as desert regions.

Another application of solar energy for power generation is through the use of concentrated solar power (CSP) systems. CSP systems use mirrors or lenses to concentrate sunlight onto a small area, generating high temperatures that can be used to produce electricity. CSP systems are typically used in large-scale power generation applications, such as utility-scale power plants.

The aim of this Special Issue is to collect and disseminate novel, intelligent, and autonomous condition-monitoring techniques and their potential applications for solar energy for cooling and power generation.  Topics of interest for this Special Issue include, but are not limited to:

  1. Renewable Energy: Solar energy is a renewable source of energy that can be harnessed to provide electricity without depleting natural resources such as fossil fuels. This is important for the sustainable development of the planet.
  2. Energy Efficiency: The conversion and storage of solar energy can increase energy efficiency by reducing dependence on traditional energy sources that require large amounts of energy to extract, transport, and refine.
  3. Cost Savings: The use of solar energy can reduce electricity costs over time, especially in areas with abundant sunlight. This can be particularly important for rural and remote areas where traditional energy sources are often not available.
  4. Carbon Emissions Reduction: Solar energy is a clean source of energy that does not produce greenhouse gas emissions or contribute to air pollution. The conversion and storage of solar energy can therefore help reduce carbon emissions and mitigate the effects of climate change.
  5. Improved Energy Security: Dependence on traditional energy sources can make countries vulnerable to geopolitical and economic instability. By promoting the use of solar energy, countries can reduce their dependence on imported energy and improve energy security.
  6. Technological Advancements: The development of solar energy technologies can lead to innovations in materials science, engineering, and manufacturing, which can drive economic growth and create new jobs.

Prof. Dr. Salman Ajib
Prof. Dr. Mohammad Ahmad Hamdan
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 cooling
  • storage of solar energy
  • solar thermal power plants
  • energy efficiency
  • reduction in environmental pollutants
  • carbon emissions reduction
  • security of energy supplying
  • cost savings by energy supplying
  • saving of conventional energy resources

Published Papers (3 papers)

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Research

17 pages, 2484 KiB  
Article
Exergy-Based Optimization of a CO2 Polygeneration System: A Multi-Case Study
by Bourhan Tashtoush, Jing Luo and Tatiana Morosuk
Energies 2024, 17(2), 291; https://doi.org/10.3390/en17020291 - 06 Jan 2024
Viewed by 603
Abstract
A polygeneration system for power, heat, and refrigeration has been evaluated and optimized using exergy-based methods. CO2 is the working fluid. The study considered two environmental conditions for the potential implementation of the polygeneration system: cold (Casecold) and hot (Case [...] Read more.
A polygeneration system for power, heat, and refrigeration has been evaluated and optimized using exergy-based methods. CO2 is the working fluid. The study considered two environmental conditions for the potential implementation of the polygeneration system: cold (Casecold) and hot (Casehot). Aspen HYSYS® was used to perform steady-state simulations, Python was used for the automation of the process, and the connection of Aspen HYSYS® with Python was successfully applied for single-objective and multi-objective optimizations. A wide range of decision variables was implemented. The minimization of the average cost of a product per unit of exergy was the goal of single-objective optimization and was included in the multi-objective optimization in addition to the maximization of the overall exergy efficiency. Single-objective and multi-objective optimization were applied. Both optimization algorithms result in the necessity to increase the pinch temperature in the heat exchanger (ΔTpinch,HE), maintain the pinch temperature in the gas cooler (ΔTpinch,GC), and augment this value for the evaporator (ΔTpinch,EVAP). Notably, higher isentropic efficiency for turbomachinery correlates with improved optimization outcomes. These findings contribute to the applicability and performance of the polygeneration system, offering potential advancements in sustainable energy solutions. Full article
(This article belongs to the Special Issue Solar Energy for Cooling and Power Generation)
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12 pages, 1263 KiB  
Article
Improving Thermal Energy Storage in Solar Collectors: A Study of Aluminum Oxide Nanoparticles and Flow Rate Optimization
by Mohammad Hamdan, Eman Abdelhafez, Salman Ajib and Mustafa Sukkariyh
Energies 2024, 17(2), 276; https://doi.org/10.3390/en17020276 - 05 Jan 2024
Viewed by 663
Abstract
Solar thermal energy storage improves the practicality and efficiency of solar systems for space heating by addressing the intermittent nature of solar radiation, leading to enhanced energy utilization, cost reduction, and a more sustainable and environmentally friendly approach to meeting heating needs in [...] Read more.
Solar thermal energy storage improves the practicality and efficiency of solar systems for space heating by addressing the intermittent nature of solar radiation, leading to enhanced energy utilization, cost reduction, and a more sustainable and environmentally friendly approach to meeting heating needs in residential, commercial, and industrial settings. In this study, an indoor experimental setup was employed to investigate the impact of a water-based Al2O3 nanofluid on the storage capacity of a flat plate solar collector under varying flow rates of the heat transfer fluid. The nanofluid, introduced at specific concentrations, was incorporated into a water-contained storage tank through which the hot heat transfer fluid circulated within a heat exchanger. This process resulted in the storage of thermal energy for future applications. The research identified that the optimal flow rate of the heat transfer fluid, corresponding to the maximum storage temperature, was 15 L per hour, and the ideal nanofluid concentration, associated with the maximum specific heat capacity of the storage medium, was 0.6%. Furthermore, the introduction of nanoparticles into the storage tank led to a significant increase in the specific heat of the water, reaching a maximum of 19% from 4.18 to 5.65 kJ/(kg·°C). Full article
(This article belongs to the Special Issue Solar Energy for Cooling and Power Generation)
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14 pages, 5349 KiB  
Article
Integrating a Solar PV System with Pumped Hydroelectric Storage at the Mutah University of Jordan
by Mahmoud Zeidan, Mohammed Al-soud, Mothana Dmour, Zuhier Alakayleh and Safwan Al-qawabah
Energies 2023, 16(15), 5769; https://doi.org/10.3390/en16155769 - 02 Aug 2023
Cited by 1 | Viewed by 1214
Abstract
This paper focuses on designing and assessing Pumped Hydroelectric Energy Storage Systems (PHESs) connected to the grid and a PV system for self-consumption constructed at Mutah University in an area of high solar potential. By focusing on the PHES and PV literature, data [...] Read more.
This paper focuses on designing and assessing Pumped Hydroelectric Energy Storage Systems (PHESs) connected to the grid and a PV system for self-consumption constructed at Mutah University in an area of high solar potential. By focusing on the PHES and PV literature, data in the field were acquired based on the grid code needed in Jordan. Next, a search to find a suitable location for installation was conducted. Afterwards, a load profile was added to calculate the energy demand of the university. Then the productivity of the solar power plant of Mutah University was included. Finally, MATLAB software was used to realize the amount of energy to be stored; these data were used to implement the system that was chosen and dimensioned. A PHES layout was created to find the most accurate values for parameters to optimize system performance and to investigate loss analysis. The main finding is that the system attains 9230.89 MWh/year. An annual load yields 4430 MWh/year, which covers the Mutah University demand with an estimated saving of USD 287,607,993. Full article
(This article belongs to the Special Issue Solar Energy for Cooling and Power Generation)
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