Performance analysis of a novel solar desalination system – Part 1: The unit with sensible energy storage and booster reflector without thermal insulation and cooling system

Cüce, Erdem; Cuce, Pınar Mert; Saxena, Abhishek; Güçlü, Tamer; Besir, Ahmet B.

doi:10.1016/j.seta.2019.100566

Cited by 23 publications

(9 citation statements)

References 30 publications

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“…The efficacy of the West and East reflectors in optimizing the performance of the solar pond system was found that the West reflector was particularly effective in improving system performance during the period from 9:00 a.m. to 12 noon, while the East reflector was utilized from 1:00 p.m. to 5:00 p.m. due to the synchronous falling of solar rays into the solar pond during this time. 51 These results highlight the importance of using reflectors to enhance the efficiency of solar pond systems, particularly during specific periods when solar radiation is most abundant. Moreover, the input solar radiation intensity was improved by an average of 41.49% with the aid of the reflector.…”

Section: Resultsmentioning

confidence: 92%

Enhancing energy efficiency in trapezoidal solar ponds: A synergistic approach utilizing east-west reflector and coal cinder – An energy analysis study

Jayakumar,

Arunachalam

2023

Proceedings of the Institution of Mechanical Engineers, Part A:

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The realm of sustainable energy systems has seen the salt gradient solar pond (SGSP) emerge as an eco-friendly solution for thermal energy storage. This research explores the use of an East-West (EW) reflector and coal cinder additive (CC) to enhance the energy efficiency of the inner zones of a salt gradient trapezoidal solar pond (SGTSP). In this work, SGTSP with EW and CC systems were designed, fabricated, and analyzed based on an energy point of view and compared with standard SGTSP systems. It also provides a shading area analysis based on the slant angle of the SGSP system, offering valuable insights into the system’s performance for low-grade heat source thermal applications. The study found that the EW reflector significantly increased the average solar intensity by 33.2%. The addition of coal cinder additive raised the average temperature of the lower convection zone by 24.1%. The SGTSP with EW reflector and coal cinder (SGTSP-EWR&CC) reached a maximum average temperature of 83.85°C, with a 42% higher energy efficiency in the lower convection zone compared to the conventional SGTSP (SGTSP-C). Further, the SGTSP’s potential for thermal energy storage and providing practical strategies for enhancing its energy efficiency is showcased.

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Section: Resultsmentioning

confidence: 92%

Enhancing energy efficiency in trapezoidal solar ponds: A synergistic approach utilizing east-west reflector and coal cinder – An energy analysis study

Jayakumar,

Arunachalam

2023

Proceedings of the Institution of Mechanical Engineers, Part A:

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“…Specific studies have been undertaken on solar desalination systems (Aboelmaaref et al 2020;Tong et al, 2020), photovoltaics (Anand et al 2021;Wu et al 2021), high-temperature geothermal energy (Abdolalipouradl et al 2020;Farsi and Dincer 2019;Gnaifaid and Ozcan 2021), ambient ground energy sources (Rosen and Koohi-Fayegh 2017;Alavy et al 2021), solar ponds (Kasaeian et al 2018Mosaffa and Farshi 2021), and nuclear energy (Khan et al 2017;Ghazaie et al 2020;Marques et al 2020). Technologies have also received attention that facilitate the use of sustainable energy, like energy storage (Cuce et al 2020;Campione et al 2020;Koohi-Fayegh and Rosen 2020;Dincer and Rosen 2021a), cogeneration, and district energy (Rosen and Koohi-Fayegh 2016).…”

Section: List Of Symbolsmentioning

confidence: 99%

Assessment of a Geothermal Combined System with an Organic Rankine Cycle and Multi-effect Distillation Desalination

Farsi

Rosen

2022

Earth Syst Environ

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An analysis is reported of a geothermal-based electricity-freshwater system in which an organic Rankine cycle is integrated with a multi-effect distillation desalination unit. The system is driven by geothermal hot water extracted from the production well. Mass, energy, entropy, and exergy rate balances are written for all system components, as are energy and exergy efficiency expressions for each subsystem. The exergy destruction rate associated with the temperature and chemical disequilibrium of the freshwater and brine with the reference environment are taken into account to reveal accurate results for irreversibility sources within the desalination process. The developed thermodynamic model is simulated using thermodynamic properties of the working fluids (i.e., ammonia, seawater, distillate, and brine) at each state point. A sustainability analysis is performed that connects exergy and environmental impact concepts. That assessment expresses the extent of the contribution of the system to sustainable development and reduced environmental impact, using exergy methods. Results of the sustainability analysis indicate that, with an increase in the reference environment temperature from 20 to 35 $$^\circ{\rm C}$$ ∘ C , the exergy destruction rate decreases for the multi-effect distillation and organic Rankine cycle systems respectively from 6474 to 4217 kW and from 16,270 to 13,459 kW. Also, the corresponding sustainability index for the multi-effect distillation and organic Rankine cycle systems increases from 1.16 to 1.2 and 1.5–1.6, respectively, for the same increase in reference environment temperature.

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“…They are large-scale energy accumulators which supply thermal energy. They can be used for various applications such as water heating [ 5 ], air heating [ 6 ], water desalination [ 7 , 8 ], refrigeration and air conditioning [ 9 , 10 , 11 ], and power generation [ 12 , 13 ]. They work by creating a difference in salt density in the bottom layer of water.…”

Section: Introductionmentioning

confidence: 99%

An Investigation into a Miniature Saltless Solar Pond

et al. 2022

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A simple, miniature saltless Solar Pond (SP) was designed and constructed in the present work. It consisted of a Plexiglas container with a square cross-section, within which cruciform baffles were suspended in the upper half of the pond, and copper coil tubing was fitted in the middle of the lower zone to function as a heat exchanger without disturbing the pond’s inertia. Different variables’ effect on the water’s temperature rise at various vertical locations within the pond were investigated. These variables included the presence of the cruciform baffles, the inclination of a mirror fixed to the top rim of the pond, a glass transparent cover (GC), and the presence or absence of a gel thickening material to increase the water viscosity inside the SP, the climatic conditions, and the presence of glass wool (GW) in the lower section of the SP. For an experiment, an estimated energy balance was performed, and the thermal storage efficiency was calculated. The best obtained thermal storage efficiency was 32.58% in the presence of the cruciform baffles, a 45° inclination of a mirror fixed to the top rim of the SP, at an ambient temperature of 30 °C on a calm, sunny day with a wind speed of 7 km/h.

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Performance analysis of a novel solar desalination system – Part 1: The unit with sensible energy storage and booster reflector without thermal insulation and cooling system

Cited by 23 publications

References 30 publications

Enhancing energy efficiency in trapezoidal solar ponds: A synergistic approach utilizing east-west reflector and coal cinder – An energy analysis study

Enhancing energy efficiency in trapezoidal solar ponds: A synergistic approach utilizing east-west reflector and coal cinder – An energy analysis study

Assessment of a Geothermal Combined System with an Organic Rankine Cycle and Multi-effect Distillation Desalination

An Investigation into a Miniature Saltless Solar Pond

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