Experimental investigation of a passive type solar still with double wedge shape glass cover

Jeevadason, A. Wesley; Padmini, S.

doi:10.1016/j.matpr.2022.01.167

Cited by 10 publications

(4 citation statements)

References 22 publications

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“…Harahsheh et al [37] conducted an experimentation on double slope solar still (DSSS) with phase change material (PCM) integrated with an external collector can enhance productivity up to 4 times the reference still. Evadason et al [38] investigated the productivity of twin wedge-shaped still, which was found 51.5% more compared to CSS. Moreover, the cost for purifying 1 Liter of water was 0.028$/L for twin wedge-shaped still.…”

Section: Icsestsmentioning

confidence: 99%

Performance Evaluation of Single Slope Tilted Wick Solar Still with Varying Salt Concentrations

Negi,

Ranakoti,

Verma

2024

IOP Conf. Ser.: Earth Environ. Sci.

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In this present article, a thorough study of a single-slope solar still has been conducted. The single slope solar still was modified with an inclined wick at 30°. The basin water was varied with different salt concentrations (0 %, 2 %, and 4 %). The study was performed for four different cases viz: (1) Conventional Solar Still (CSS) (2) Tilted wick Solar Still (TWSS) with 0 % salt concentration (3) TWSS with 2 % salt concentration (4) TWSS with 4 % salt concentration. The experiment was conducted under constant radiation of 500 W/m2 that was provided with the help of external panels. The functional correlation between basin water temperature (Tw) and time has been established. Moreover, from the obtained results best distillate output was acquired at 2 % salt concentration as the salt particles trapped inside the wick pores help to increase the evaporation rate effectively. The overall distillate output increased by 8.3 %, 17.5 %, and 8.5 % for Case 2, Case 3, and Case 4 when compared to Case 1 respectively.

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Section: Icsestsmentioning

confidence: 99%

Performance Evaluation of Single Slope Tilted Wick Solar Still with Varying Salt Concentrations

Negi,

Ranakoti,

Verma

2024

IOP Conf. Ser.: Earth Environ. Sci.

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“…Various parameters affect the rate of evaporation as well as the rate of condensation of solar stills. Reviews made by researchers (26)(27)(28)(29)(30)(31) indicates that the design and material of the solar still, the basin material's heat capacity, evaporation surface area, feed water temperature, temperature between basin water and condensing surface (glass lid inner surface), and many more factors influence the performance of the solar still. Amongst these challenges, the design and material have a significant impact on the performance and the economics of the solar still.…”

Section: Ecs Transactions 107 (1) 18789-18798 (2022)mentioning

confidence: 99%

Experimental Investigation of a Novel Design Solar Still Desalination System

2022

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In this paper, new design solar still with a double wedged glass cover design over a concrete material basin is evaluated for its performance under the passive mode of operation. The performability of the Twin Wedge Solar Still (TWSS) is analyzed in contrast with a Conventional Solar Still (CSS). The TWSS delivered freshwater of 1.3 l/m2,which is twice the yield of the CSS (0.635 l/m2). The daily energy efficiency of TWSS is 33.94%. The economics of this system evaluated for futuristic development. The TWSS delivered clean water at the cost of 0.033 $/l. The payback period was only 11 months for TWSS, whereas it is five years and ten months for CSS. In high-temperature areas, TWSS integrated on the building roof can simultaneously harvest the solar energy to generate water, as well as keep the building cool by preventing heat penetration into the building.

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“…Due to its enormous popularity, researchers have been endeavoring to develop an ideal system with a similar underlying mechanism and minor modifications by implementing design modifications or using various methods for economic optimization [33], such as thermoelectric methods [34]; mirrors [35]; heat pipes [36]; finned plates [37]; surface coatings [38]; single and double slopes [39][40][41]; single, multiple, and stepped basins [42][43][44][45][46]; and pyramid and spherical methods [47,48]. Jeevadason and Padmini [49] examined the effects of using a novel glass cover design and found that it resulted in a 51.5% increase in water productivity. Mevada et al [50] examined the impact of various energy storage materials, such as black granite and marble stone, on water productivity and the rate of evaporation enhancement.…”

Section: Introductionmentioning

confidence: 99%

Proposal of a Reflector-Enhanced Solar Still Concept and Its Comparison with Conventional Solar Stills

Soltanian,

Hoseinzadeh,

Astiaso Garcia

2024

Water

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Water scarcity is a global concern and poses significant problems to countries with arid and semi-arid climates, like Iran. Considering financial difficulties, a lack of knowledge about high-tech alternatives, low incomes, a lack of access to high-tech tools, and low maintenance capabilities in developing countries, solar still desalination is a decent technology for providing proper water, especially for rural areas. However, the low water-production rate using this method dictates a very vast area requirement for solar still farms in order to provide significant amounts of water. In this research, we proposed a mirror-enhanced solar still and mathematically compared its water-production rate to that of conventional ones. In comparison to conventional solar stills, our proposed reflector-enhanced solar still benefits from several improvements, including lower glass temperatures, increased water basing temperatures, and receiving much more solar irradiation. Hence, the proposed system can increase water production from 7.5 L/day to 24 L/day. The results showed that the proposed method is highly effective and could be used in field-scale projects in arid and semi-arid climates.

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Experimental investigation of a passive type solar still with double wedge shape glass cover

Cited by 10 publications

References 22 publications

Performance Evaluation of Single Slope Tilted Wick Solar Still with Varying Salt Concentrations

Performance Evaluation of Single Slope Tilted Wick Solar Still with Varying Salt Concentrations

Experimental Investigation of a Novel Design Solar Still Desalination System

Proposal of a Reflector-Enhanced Solar Still Concept and Its Comparison with Conventional Solar Stills

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