Hemispherical solar glass

The performance of cylindrical solar still with hemispherical

Jan 1, 2025 · The use of circular fins in basin of the cylindrical solar still with a hemispherical dome increases productivity by 64.7 % compared to the still without fins.

Recent developments in optical materials for concentrated solar

Jan 1, 2024 · Abstract The levelized cost of electricity for concentrated solar thermal systems (CST) depends largely on the optical efficiency of primary and secondary reflectors, the glass

The impact of the corrugated absorber shape on the

Apr 3, 2023 · Solar stills utilization has received great interest in arid isolated regions. In this study, experimental approaches have been investigated to prove the impact of the corrugated

Productivity enhancement of hemispherical solar still using Al

Feb 9, 2021 · The hemispherical distiller characteristics are having a large surface area for receiving and condensing compared to a conventional single-slope distiller. To achieve the

Experimental Study on Various Solar Still

Aug 14, 2012 · Humankind has depended for ages on underground water reservoirs for its fresh water needs. But these sources do not always

Hemispherical solar still: Recent advances and development

Nov 1, 2022 · Generally, hemispherical solar still has relatively better thermal performance than other types of solar stills. The maximum solar radiation, daily accumulative yield, thermal

Evaluating the performance of spherical, hemispherical, and

Jul 22, 2024 · Despite the extensive literature on improved solar stills, determining the most efficient designs for residential and industrial applications remains difficult. This review

Enhancing hemispherical solar still yield via wick materials and glass

Jan 1, 2022 · Hemispherical solar still with 8 mm thick wick materials at the bottom of its basin increases freshwater yield. Three 0.1 m2 hemispherical solar devic

Spectral characterization of specular reflectance of solar

Feb 1, 2016 · For the glass mirrors, the solar weighted hemispherical reflectance agrees well with the solar weighted specular reflectance. Differences are within the measurement uncertainty of

Hemispherical solar distiller with truncated circular cone

Dec 23, 2022 · Figure 4 introduces the changes in temperature throughout time of saline water, internal glass, external glass, and ambient of hemispherical solar distiller with truncated

Solar Stills with Glass Cooling Techniques: A Systematic

Sep 6, 2025 · This review paper systematically analyzes design modifications and performance improvements of solar stills with glass cooling taking care of the most important issue of poor

Technically and economically optimal water flow rate glass

Jan 29, 2022 · Solar desalination through hemispherical distillers gave large condensation surface area with small volume for low cost yield production. Cooling of the condensation glass surface

Top 10 Solar Glass Manufacturers: Complete Guide

Oct 20, 2025 · The Evolution of Solar Glass Technology in Modern Energy SolutionsThe renewable energy sector has witnessed remarkable advancement in recent years, with solar

Thermo-economic performance enhancement of the hemispherical solar

Jul 1, 2023 · Results concluded that the increase of nano-ZnO concentration improves solar distiller efficiency. Due to the ease of homogeneous distribution on the external surface,

Experimental study of the performance of hemispherical

Aug 4, 2022 · Glass cover designs including pyramid [7,8], double glass [9], conical [10], tubular [11–13], spherical [14] and hemispherical [15–18] shapes have also been studied. In order to

Augmenting hemispherical solar still performance: A

Sep 1, 2024 · The modified solar still design incorporates a hemispherical tube, leading to a higher glass temperature (increased by 5.5 °C) due to enhanced evaporation and

Comparative performance analysis of hemispherical solar

Feb 28, 2025 · This study investigates the performance of hemispherical solar stills (HSS) enhanced with date kernels and olive kernels as heat storage materials to improve water

The importance of total hemispherical emittance in

Oct 15, 2020 · We present a comprehensive model using total hemispherical emittance for determining solar cell and internal glass surface temperatures for insulating and laminated

Enhancing water productivity and cost-effectiveness in hemispherical

Mar 1, 2024 · Enhancing water productivity and cost-effectiveness in hemispherical solar stills using sandy beds, reflectors, and a vapor extraction fan

Performance improvements of hemispherical solar still

May 7, 2022 · Desalination 286:342–348 Attia MEH, Driss Z, Manokar AM, Sathyamurthy R (2020) Efect of aluminum balls on the productivity of solar distillate Journal of Energy Storage

Development of a spatially resolved reflectometer to

Jun 18, 2018 · Eight solar mirror materials (three silvered-glass mirrors of different glass thicknesses, two anti-soiling coated glass mirrors, two enhanced aluminum reflectors and a

Performance enhancement of conventional solar still using

Dec 1, 2024 · It was found that using a conventional solar still integrating an external reflector has more impact than a hemispherical solar still (HSS) with a reflective aluminium foil sheet to

TFAWS 2015

Aug 6, 2020 · Hemispherical Emittance For thermal modeling and analysis, the emittance must be in terms of a hemispherical (total body) emittance value. Converting normal emittance to

Enhancing freshwater production in solar distillation: Hemispherical

Jan 1, 2024 · The hemispherical solar still (HSS) consists of a hemispherical glass or plastic cover that traps solar radiation and directs it onto a sloped surface, where the water to be purified is

b: Directional-hemispherical solar

Figure 3: Temperature dependence of the normal- hemispherical visible and solar transmittance for the thermotropic glass laminate and the solar

(PDF) Productivity enhancement of

Feb 9, 2021 · To investigate the influences of Al2O3-water nanofluid and the glass cover cooling technology by a water sprinkler on hemispherical

Enhancing hemispherical solar still yield via wick

Feb 5, 2022 · The economic feasibility presented that the dual utilization of the wick and the glass cover cooling (THSS-WC) reduced the total cost of distillates produced from hemispherical

Performance enhancement of double slope solar still using

Dec 1, 2024 · Attia et al. [16] explored the combination of wick materials and glass cover cooling in hemispherical solar stills. Their experiments demonstrated that incorporating wick materials

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6 FAQs about Solar Hemispherical solar glass

Is hemispherical solar still used?

Hemispherical solar still used by Adewole et al. (2020). Fig. 20. (a) Variation of (a) water production and basin, water and surface temperatures and (b) hourly water yield against the temperature difference ( Adewole et al., 2020 ).

Can hemispherical solar stills improve thermal performance?

The hemispherical solar still (HSS) is one of the most effective alternatives for meeting the need for freshwater in rural and distant locations However, there are limits to the performance of hemispherical solar stills, and various researchers have examined the ability to enhance (HSS) thermal performance.

What is a hemispherical solar still made of?

Schematic diagrams for the hemispherical and pyramid solar stills used in this study are shown in Fig. 1; the circular-shaped basin was made of mild steel and pained with black paint in order to enhance absorptivity. While the top hemispherical cover was made from an acrylic sheet with 88% transmittance.

What are the energy efficiencies of hemispherical solar stills?

It was found that the maximum daily energy efficiencies of the single-slope and hemispherical solar stills were 25.81% and 38.61%, respectively. Whereas the maximum daily exergy efficiencies of the single-slope and hemispherical solar stills were 1.8% and 3.1%, respectively.

What is a hemispherical top cover?

The main purpose of using a hemispherical-shaped top cover is to enhance the amount of solar energy that can be collected by the solar still. Enhancing the productivity of solar stills in general and hemispherical solar stills in particular has been a topic of interest for many researchers.

Can glass cover cooling double-slope solar still be used as a source of heat?

The glass cover cooling double-slope solar still (passive solar still) Sharshir et al. carried out a theoretical analysis of a modified wick still and reused warm rejected water of a humidification-dehumidification (HDH) unit as a source of heat.