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Thermal Energy Storage for Sustainable Industrial Technologies

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Energy Sustainability".

Deadline for manuscript submissions: closed (15 October 2023) | Viewed by 4643

Special Issue Editors


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Guest Editor
Department of Aeronautical Techniques Engineering, Bilad Alrafidain University College, Diyala, Iraq
Interests: thermal energy storage; phase change materials; solar thermal systems; thermofluids and heat mass transfer

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Guest Editor
Department of Mechanical Engineering, Diyala University, Baqubah, Iraq
Interests: air conditioning systems; thermal energy storage; solar energy

Special Issue Information

Dear Colleagues,

Enhancement in thermal energy storage reduces the mismatch between energy supply and energy demand, ensuring reliability and increasing the efficiency of many energy technologies, such as solar thermal systems. The main challenges faced by researchers include the environmental impact, limited energy supply and fossil fuel sources. The issues of the intermittent availability, the relatively high cost of the installation and the maintenance made the move to more sustainable and environmentally friendly sources, such as solar and wind energies, to be less competitive in energy markets. This Special Issue will investigate the following topics: thermal energy technologies, thermal energy analysis, sustainable thermal energy, thermal energy efficiency, thermal energy storage, thermal energy emissions, thermal energy management, thermal energy economies and related policies. The relevant areas include, but are not limited to, the following:

Challenges in the thermal energy sector;

Thermal energy supply and demand in different sectors;

Sustainable thermal energy systems;

Phase change materials in latent heat-thermal energy systems;

Thermal energy technologies and applications;

Thermal energy consumption and savings;

Thermal energy policies;

Thermal energy incentive and social benefits;

Renewable energy integration.

Dr. Ammar M. Abdulateef
Dr. Jasim Abdulateef
Guest Editors

Manuscript Submission Information

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Keywords

  • thermal energy storage
  • thermal emissions
  • phase change materials
  • sustainable technologies
  • thermal policies
  • solar thermal systems
  • efficiency

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Published Papers (2 papers)

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Research

18 pages, 5026 KiB  
Article
Energetic, Exergetic, and Heat Transfer Assessment of PCM-Integrated Heat-Pipe-Based ETSC for Clear and Cloudy Weather Conditions
by Sudhir Kumar Pathak, V. V. Tyagi, K. Chopra, A. K. Pandey, Ahmet Sari and Ammar M. Abdulateef
Sustainability 2023, 15(12), 9780; https://doi.org/10.3390/su15129780 - 19 Jun 2023
Cited by 9 | Viewed by 1450
Abstract
Solar energy’s most promising application is in water heating, followed by other solar thermal applications. In this investigation, a novel method of incorporating a phase-change material (PCM) between the annulus space of an evacuated tube and an aluminum finned heat pipe is employed. [...] Read more.
Solar energy’s most promising application is in water heating, followed by other solar thermal applications. In this investigation, a novel method of incorporating a phase-change material (PCM) between the annulus space of an evacuated tube and an aluminum finned heat pipe is employed. During day time, the PCM stores the excess amount of heat and releases it in order to heat the flowing water during high-demand/insufficient solar radiation. This study aims to evaluate the detailed heat transfer assessment and energetic and exergetic efficiencies of the developed PCM-integrated solar water heater in both clear and cloudy weather conditions at 20 LPH. The outcomes of the study found that the maximum useful amounts of energy collected daily for the clear and cloudy days were 10.65 MJ and 8.52 MJ, respectively, whereas temperatures of the stored water were found to be 45.2 °C and 41.4 °C on the next day at 6:00 a.m. for the corresponding days. The daily energetic and exergetic outputs of the designed system were 76.57% and 79.64%, and 2.37% and 1.38%, respectively, at fixed mass flow rate for the clear and cloudy day conditions. The overall heat transfer coefficients (UL) for both days were 0.75 and 0.72 W/m2 K, respectively. The findings show that the proposed system overcomes the issue of overheated heat pipes and can provide hot water even in cloudy/low-sunshine conditions. Full article
(This article belongs to the Special Issue Thermal Energy Storage for Sustainable Industrial Technologies)
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14 pages, 2821 KiB  
Article
Experimental Approach for Enhancing the Natural Convection Heat Transfer by Nanofluid in a Porous Heat Exchanger Unit
by Ammar M. Abdulateef
Sustainability 2023, 15(3), 2580; https://doi.org/10.3390/su15032580 - 31 Jan 2023
Cited by 2 | Viewed by 1867
Abstract
Natural convection heat transfer is a significant component in the energy transfer mechanism and plays an essential role in a wide range of scientific and industrial technologies. This research seeks to enhance the energy transfer by nanofluid, which is compatible with some applications, [...] Read more.
Natural convection heat transfer is a significant component in the energy transfer mechanism and plays an essential role in a wide range of scientific and industrial technologies. This research seeks to enhance the energy transfer by nanofluid, which is compatible with some applications, such as heat exchanger thermal energy storage (HXTES). For this purpose, a triplex tube heat exchanger (TTHX) is designed to receive the hot and cold flow by two pumps from two thermal baths, respectively. Samples of the Copper (Cu) nanoparticles were then carefully selected in a volume concentration range of 0.05    0.5 to promote the thermal conductivity of the base fluid, which consists of 55% water and 35% ethylene glycol (EG), and to form nanofluid. On the other side, the effect of the porous medium of glass spheres inside a TTHX is considered. Experimentally, and after preparing the nanofluid, temperature readings of six various thermocouples locations have been investigated. The effects of Cu volume concentrations under different temperatures of 20 °C, 30 °C and 50 °C on nanofluid heat transfer are evaluated, respectively. One more result: the yields in the heat transfer coefficient of the hot tube were higher compared to those of the cold tube under Reynolds number (Re) between 200 and 7000. The efficiency of transition and turbulent flow through TTHX is clearly appointed. Overall, these findings support the supposition that the heat transfer enhancement is optimized by 0.05% nanoparticle volume concentration due to increasing thermal conductivity and fluid movement effectiveness. Ultimately, a natural progression of this work is to analyze more convective form using controlled trial applications, such as solar collectors. Full article
(This article belongs to the Special Issue Thermal Energy Storage for Sustainable Industrial Technologies)
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