Performance enhancement of a solar still using magnetic powder as an energy storage medium‐exergy and environmental analysis

Dhivagar, Ramasamy; Shoeibi, Shahin; Kargarsharifabad, Hadi; Ahmadi, Mohammad Hossein; Sharifpur, Mohsen

doi:10.1002/ese3.1210

Cited by 63 publications

(11 citation statements)

References 57 publications

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“…Various designs of passive and active solar distillers [26] Researchers and scientists have analyzed the impact of magnetic fields on the past water evaporation rate. They found that magnetization strongly affects the rate of water evaporation [43,44,45,46]. Therefore, the magnetic field is one of the most significant and recent techniques affecting the productivity of solar stills.…”

Section: Figurementioning

confidence: 99%

Effects of Magnetic Field on the Performance of Solar Distillers: A Review Study

ِAlawee¹,

Hammoodi²,

Dhahad³

et al. 2022

ETJ

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 A complete survey on the factors that affect the performance of solar pyramid stills is explained.  Specific categorization of these factors is suggested.  Solar radiation is the strongest affecting parameter on the pyramid solar distiller performance.  Promising future scopes of work on the pyramid solar still is suggested.Due to the rising demand for treated water, the enhancement of potable water yield technologies, such as traditional solar distillers, is a pressing concern. Solar desalination is one of the easiest techniques for producing fresh water from salt water. It has several benefits, not the least. It utilizes free solar energy. Moreover, it is a simple and inexpensive technique compared to other alternatives. They are, nevertheless, relatively inefficient devices. Many studies have been done to boost the daily output of solar stills by using many active strategies to produce a large amount of evaporation and condensation compared to a basic standard type distiller. The magnetic field (MF) is one of the most important and recent techniques affecting the productivity of the solar still due to its positive impact on the water evaporation rate. The primary focus of the current study is to review the effects of magnetic field approaches on the distillate production, performance, and thermal efficiency of several types of solar distillers. Based on previous studies, the magnetic field is responsible for increasing the partial pressure difference between water and glass cover. The change occurs in the hydration shells of the saltwater, which should enhance the evaporation rate and improve the performance of solar still. Besides, the magnetic field significantly reduces the surface tension of salty water, which leads to increased evaporation. Furthermore, the intensity, direction, position, and magnet sizes of magnetic have a strong effect on the rate of water evaporation as well as the rate of heat transfer.

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Section: Figurementioning

confidence: 99%

Effects of Magnetic Field on the Performance of Solar Distillers: A Review Study

ِAlawee¹,

Hammoodi²,

Dhahad³

et al. 2022

ETJ

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“…Renewable energy is identified as an alternative source of energy generation because of its abundant nature on earth [4]. Studies have noted the immense potential of solar energy as an option for generating electricity around the world since it is more economically viable, especially for developing countries [5][6][7][8][9]. India is among the leading developing countries where the energy demand rate has grown fast within the last few decades.…”

Section: Introductionmentioning

confidence: 99%

“…India is among the leading developing countries where the energy demand rate has grown fast within the last few decades. With a population of around 1.5 billion, nearly 43% of India's population has access to grid-based electricity, while 57% use either non-grid sources for electricity and lighting or do not use any electricity at all [4][5][6]. India intends to address its issues concerning environment and energy through the promotion of renewable energy use and increased efficiency across the country.…”

Section: Introductionmentioning

confidence: 99%

Techno-Economics and the Identification of Environmental Barriers to the Development of Concentrated Solar Thermal Power Plants in India

et al. 2022

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India is endowed with a lot of solar radiation as a result of its location. The Indian government therefore intends to maximize the usage of its solar energy resources through the development of solar power plants across the country. The concentrated solar power plant (CSP) is one of the technologies that rely on solar energy for its electricity generation. The type of condenser model in the CSP technology has the potential to affect its techno-economic viability. In this paper, a 100 MW solar tower power plant (STPP) with two different condenser models, i.e., the dry-cooled STPP and wet-cooled STPP models, are studied using the System Advisor Model (SAM) at six different geographical areas in India. The study employed the optimization of the thermal energy storage and the solar field size to identify the minimum levelized cost of electricity (LCOE) for all six locations. Results from the simulation show that the LCOE will range between 13 and 17 cents/kWh under the optimization conditions for the STPP dry-cooled condenser model, while that of the wet-cooled condenser model will range between 12.40 and 12.96 USD cents/kWh for the study locations. It was also observed that the optimized solar multiple (SM) for the dry-cooled STPP model ranges between 1.4 and 1.8, whereas that of the wet-cooled model ranges between 1 and 1.8. The study identified Bhopal as the best location for installing the STPP plant for both condenser models. In addition, this paper also discusses major potential barriers and government policies that are needed to develop CSP technologies in India. The outcome of the study is expected to help both government and other stakeholders in decision making and policy formulation for the sector.

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“…[5][6][7][8] Passive solar stills are systems that mainly rely on solar irradiation only to obtain potable water by evaporation. 9 Their productivity is lower and cannot be used for the large-scale productions. According to the geometry of the glass cover, solar still can be categorized into many types such as pyramid type solar still, tubular still, single slope, stepped solar still, cascade solar still and double slope solar still.…”

Section: Introductionmentioning

confidence: 99%

A review on solar desalination techniques using vacuum technology

Rahul¹,

Ramanathan²,

Dhivagar³

et al. 2022

Proceedings of the Institution of Mechanical Engineers, Part C:

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The explosion of the population is alarming as the demand increases exponentially for resources. The freshwater resources are being exploited, and innovative and economical methods are analyzed experimentally to extract freshwater from various sources. Desalination performed using solar energy is an economical method to obtain fresh water from seawater and brackish water, which are available prolifically in nature. Since the phenomenon of desalination demands solar irradiation, which is an intermittent source of energy, distillation is not feasible in some places where the solar intensity is low. In the solar desalination, the saturation temperature of the saline water is very less at low saturation pressure thereby requiring large latent heat of evaporation. Hence, vacuum pressure could be the most appropriate choice to extract drinkable water in territories where the intensity of solar irradiation is poor. In order to this, the utilization of evacuated tube collectors and vacuum technology in the solar desalination unit has been considered for discussion as it is the most sought-after subject of interest in the current scenario. Methods for implementing the vacuum technology are also introduced with plenty of experimentations. Vacuum technology implemented in the evaporator of desalination system has been supplemented with nano-fluids and phase change materials to accelerate the evaporation process, increase efficiency, and obtain a greater productivity. In this review, the performance of the solar desalination unit under the vacuum effect were discussed in detail. Furthermore, in economic analysis, the cost effectiveness and cost per liter of distillate (CPL) were discussed to estimate the payback period. Finally, this review also suggests the vision to identify the future scope for additional implementations.

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Performance enhancement of a solar still using magnetic powder as an energy storage medium‐exergy and environmental analysis

Cited by 63 publications

References 57 publications

Effects of Magnetic Field on the Performance of Solar Distillers: A Review Study

Effects of Magnetic Field on the Performance of Solar Distillers: A Review Study

Techno-Economics and the Identification of Environmental Barriers to the Development of Concentrated Solar Thermal Power Plants in India

A review on solar desalination techniques using vacuum technology

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