An extensive review of performance enhancement techniques for pyramid solar still for solar thermal applications

Angappan, Ganesh; Pandiaraj, Selvakumar; Panchal, Hitesh; Kathiresan, Thangamuthu; Ather, Danish; Dutta, Chiranjit; Subramaniam, Manoj Karuppanagounder; Muthusamy, Suresh; Kabeel, A.E.; El-Shafay, A.S.; Sadasivuni, Kishor Kumar

doi:10.1016/j.desal.2022.115692

Cited by 37 publications

(9 citation statements)

References 79 publications

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“…For larger condensing area, it reduces the side wall shadow effect within the pyramid solar still [5]. Although radiation tracking mechanism is not required in this design [9,22], the problem is that, the structure is normally not that portable. A. Ahsan et.…”

Section: Literature Reviewsmentioning

confidence: 99%

“…Table I summarizes the productivity enhancement method for solar radiation, evaporation, and condensation rate from various studies. To optimize sunlight absorption, the solar stills were designed into different shapes and geometrical configurations including inclined, spherical, pyramid, tubular, and other wick types [9,12,19,20,21,22,24]. Water production and water temperature are found to be almost proportional to solar intensity [26].…”

Section: Literature Reviewsmentioning

confidence: 99%

“…• Slope and inclination angle[14,35] • Sun tracking[10,34] • Wick type design[9,12,19,20,21,22,24] Wind Speed• Install fan [26] Evaporation• Water depth[23,26,27,28] …”

mentioning

confidence: 99%

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Design and Development of A Hemisphere Flat Base Solar Thermal Water Distillation System

Pang,

Teh,

et al. 2024

JETAP

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The clean water crisis around the world is mainly caused by the pollution and depletion of freshwater. There is only less than 1% of the water on Earth is in a pure and consumable state. Many people around the world actually die every single day due to the lack of access to clean, potable water and to proper sanitation which resulted in many waterborne diseases. Hence, water purification plays an extremely important role as access to clean water is fundamental to basic human rights. The objective of this paper is to develop a solar-thermal water distillation system with solar energy as its main power source to distilled water for safe consumption, hence achieving clean water purification through clean energy. The proposed hemisphere flat-based solar thermal distiller works well with the absorption of sun radiation from almost every angle with its spherical surface. The prototype works best under full sunlight conditions and is capable to purify water from various water sources to safe and ideal pH value for consumption. Solar radiation, being a clean energy and available in abundance at no cost, makes this design feasible for many and easy to scale up whenever the need arises. The simple working principle and fabrication at low cost also makes it an ideal solution in helping communities that have difficulty or no access to clean water supply.

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Section: Literature Reviewsmentioning

confidence: 99%

Section: Literature Reviewsmentioning

confidence: 99%

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Design and Development of A Hemisphere Flat Base Solar Thermal Water Distillation System

Pang,

Teh,

et al. 2024

JETAP

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“…The pyramid-shaped solar still was designed with a textured surface to enhance the evaporation area and improve solar radiation absorption, ultimately leading to increased production. Notably, unlike conventional solar stills, this pyramid still featured glass on all sides, eliminating issues related to shadowing [29,55,56].…”

Section: Solar Stills Productivitymentioning

confidence: 99%

Energy and Exergy Analysis of Pyramid-Type Solar Still Coupled with Magnetic and Electrical Effects by Using Matlab Simulation

Hammoodi,

Dhahad,

Alawee

et al. 2024

FHMT

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In the face of an escalating global water crisis, countries worldwide grapple with the crippling effects of scarcity, jeopardizing economic progress and hindering societal advancement. Solar energy emerges as a beacon of hope, offering a sustainable and environmentally friendly solution to desalination. Solar distillation technology, harnessing the power of the sun, transforms seawater into freshwater, expanding the availability of this precious resource. Optimizing solar still performance under specific climatic conditions and evaluating different configurations is crucial for practical implementation and widespread adoption of solar energy. In this study, we conducted theoretical investigations on three distinct solar still configurations to evaluate their performance under Baghdad's climatic conditions. The solar stills analyzed include the passive solar still, the modified solar still coupled with a magnetic field, and the modified solar still coupled with both magnetic and electrical fields. The results proved that the evaporation heat transfer coefficient peaked at 14:00, reaching 25.05 W/m 2 .°C for the convention pyramid solar still (CPSS), 32.33 W/m 2 .°C for the magnetic pyramid solar still (MPSS), and 40.98 W/m 2 .°C for elecro-magnetic pyramid solar still (EMPSS), highlighting their efficiency in converting solar energy to vapor. However, exergy efficiency remained notably lower, at 1.6%, 5.31%, and 7.93% for the three still types, even as energy efficiency reached its maximum of 18.6% at 14:00 with a corresponding peak evaporative heat of 162.4 W/m 2 .

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“…As technology continues to evolve, it is anticipated that more cities will adopt these systems, ushering in a new era of sustainable urban environments. [12]- [18].…”

Section: 5mentioning

confidence: 99%

Adaptive Illumination: Designing a Smart Street Lighting System for Sustainable Urban Environments

Sultonmurod Shavkatov

2023

matrix

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In the age of rapid technological advancement and increasing urbanization, the need for sustainable and efficient infrastructure has never been more pronounced. As cities grow and evolve, so do the challenges related to managing their energy consumption, safety, and environmental footprint. One of the critical components of urban infrastructure that has a direct impact on all these areas is street lighting. Traditional street lighting systems, while essential for safety and visibility, often consume excessive amounts of energy, contribute to light pollution, and require significant maintenance. This is where the concept of adaptive illumination comes into play as shown in Figure 1. Adaptive illumination refers to the design and implementation of street lighting systems that can adjust their brightness and intensity based on real-time environmental conditions and human activity. Unlike conventional systems that remain uniformly lit throughout the night, adaptive systems use sensors, data analytics, and connectivity to dynamically modify their output. This not only results in significant energy savings but also reduces light pollution and enhances the overall safety and comfort of urban residents.[1] The sustainability aspect of adaptive illumination cannot be overstated. As the world grapples with climate change and the pressing need to reduce carbon emissions, every kilowatt-hour saved has a cascading positive effect on the environment. By ensuring that street lights are only as bright as they need to be, cities can dramatically decrease their energy consumption. This is particularly relevant in the context of urban areas, which are often the largest consumers of electricity within a region.

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An extensive review of performance enhancement techniques for pyramid solar still for solar thermal applications

Cited by 37 publications

References 79 publications

Design and Development of A Hemisphere Flat Base Solar Thermal Water Distillation System

Design and Development of A Hemisphere Flat Base Solar Thermal Water Distillation System

Energy and Exergy Analysis of Pyramid-Type Solar Still Coupled with Magnetic and Electrical Effects by Using Matlab Simulation

Adaptive Illumination: Designing a Smart Street Lighting System for Sustainable Urban Environments

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