Experimental investigation on the effect of water mass in triangular pyramid solar still integrated to inclined solar still

Kumar, P. Naveen; Manokar, A. Muthu; Madhu, B.; Kabeel, A.E.; Arunkumar, T.; Panchal, Hitesh; Sathyamurthy, Ravishankar

doi:10.1016/j.gsd.2017.08.003

Cited by 110 publications

(18 citation statements)

References 32 publications

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“…Similarly, it was found that the freshwater yield decreases with an increase in the water mass during the sunshine hours in the integrated and solar still without integration. Naveen Kumar et al experimentally analyzed the performance of integrated solar still (inclined‐pyramid) under various water depth ( d w ). Results showed that the performance of integrated solar still is improved by 45% as compared with pyramid solar still without integration.…”

Section: Introductionmentioning

confidence: 99%

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Kabeel

Taamneh

Sathyamurthy

et al. 2018

Heat Trans. Asian Res.

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This study primarily focuses on comparative experimental analysis on standalone conventional solar still (CSS), inclined solar still (ISS), and integrated conventional and inclined solar still (CSS‐ISS) for different parameters that affect the freshwater yield. For enhancing the freshwater yield only a few studies are available on still‐still integration. The present novel study provides a greater improvement in improving the freshwater yield by integrating ISS with CSS. This experimental work mainly concentrates on the importance of water depth (d w) and mass flow rate of water ( m w) in the solar still. Water depth inside the conventional still varied from 0.02 to 0.06 m whereas, water is constantly flown with a mass flow rate of 8.33 kg/hour in an ISS with baffles. The experimental result shows that the accumulated freshwater yield from CSS‐ISS, ISS, and CSS were 6.2, 5.04, and 4.24 kg, respectively. CSS‐ISS and ISS produced 46.23% and 18.87% higher productivity than the CSS. From the experimental investigation, it is also identified that the water temperature is significantly improved by 20% using integration as compared with CSS without integration under the same water depth of d w = 0.02 m. The overall improvement in yield was higher in the case of CSS‐ISS. The deviations between experimental and theoretical values of yield from the conventional and modified solar still were in the range of ±7%.

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Section: Introductionmentioning

confidence: 99%

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Kabeel

Taamneh

Sathyamurthy

et al. 2018

Heat Trans. Asian Res.

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“…Extensive studies are also carried out on single slope solar still by reflecting the solar radiation through the bottom absorber as inverted basin studied by Dev et al [23] and Suneja et al [24,25]. Several researchers investigated the integration of active solar still with FPC [26][27][28][29][30][31][32][33][34], Compound Parabolic Concentrator [35][36][37][38], Parabolic shaped concentrator [39], Parabolic Trough collector [40,41], Cylindrical parabolic concentrator [42,43], Evacuated Tube Collector [44][45][46][47], Parabolic Dish concentrator [10,48,49], Concentrator with crescent absorber [50], Solar pond [51][52][53][54], Solar still integration [55][56][57], Hybrid PV/T integrated solar still [58][59][60] for improving the yield.…”

Section: Introductionmentioning

confidence: 99%

Theoretical Analysis of Continuous Heat Extraction from Absorber of Solar Still for Improving the Productivity

El‐Agouz

Kabeel

Subramani³

et al. 2018

Period. Polytech. Mech. Eng.

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IntroductionGreater growth of population and industries results in shortage of fresh water. Earth is almost covered with a larger water source and smaller land mass. People used to drink large amount of water for their thirsty need. Water available in the form of rivers, lakes cannot be consumed directly without pre-processing, as these need some purification process in order to remove bacteria and undissolved salts. In early days the possible method of getting pure water is heating the brackish water and condensing them back to get fresh water by burning fossil fuels. Due to the exhaustion of coal, crude oil and increases in global warming, the evolution of using renewable energy for getting fresh water evolved during the late 20th century. One of the best energy source applied is solar energy. Source of energy from sun is mostly environmental friendly and non polluting clean energy source. Basin type still is the most aged process of producing fresh water [1][2][3][4][5][6][7][8][9][10]. The fresh water conversion rate from the solar still system is predominantly depends on the solar intensity. The basin water temperature increases continuously due to heat energy emitted from the sun in the form of solar intensity. After reaching the boiling point of water, the water evaporates and it condenses on the solar still condenser cover. The various techniques employed in solar still, to raise the temperature of water and hence increases the productivity was studied from the detailed literatures reviews of Ravishankar et al. [11], Kabeel et al. [12] and Manokar et al. [13][14][15]. From the detailed literature studies it is clear that water temperature can be improved by either feeding waste warm water or pre heat the water by incorporating the different solar collectors or concentrators. Gupta et al. [16] theoretically analyzed the intermittent flow of waste warm water to the double basin solar still similarly same analyses was done by Yadav et al. in single basin solar still [17]. Sodha et al. [18] and Tiwari et al. [19] experimentally investigated the performance of solar still utilizing the warm water from the industry. Tiwari et al. [20] keep up a higher temperature difference between the water and collector cover by increasing the water temperature by flowing waste hot water in the basin and decrease the collector cover temperature by flowing the cold water above the surface of collector cover. This would results in increase in both evaporation and condensation

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“…The experimental setup starts with fixing the depth of the brine in the basin. It was studied by many researchers; in that 0.02 m depth produces maximum productivity of distilling water . Absorber plate should be coated with anticorrosive matte black paint for better heat absorption and minimizing solar radiation reflected back to the atmosphere.…”

Section: Methodsmentioning

confidence: 99%

Experimental investigation on pyramid solar still with single and double collector cover—Comparative study

Kumar

Sathyamurthy

et al. 2019

Heat Trans. Asian Res.

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Sun radiation is the heat energy source for solar still.That should be utilized maximum for increasing the evaporative rate at the top surface of the brine. The pyramid shape solar still (PSSS) can receive solar input radiation from all four directions. In this research, the top layer of conventional pyramid shape solar still (CPSSS) is covered with air-packed cover and analysed the effect in the modified still after air packed in between the two glasses, finally, that result is compared with the CPSSS. The air inside the two glasses will be receiving maximum radiation and retain in it. It can be used as top side insulation and which can ensure the maximum insulation for heat energy inside the PSSS. The CPSSS and air-packed pyramid shape solar still (APPSSS) were fabricated and experimented. The experiments were conducted at an ambient condition of the Chennai, Tamil Nadu (12.9416°N, 80.2362°E).The CPSSS gives good yield at evening when an increase in wind velocity. The APPSSS gives a lower performance as compared to the CPSSS due to the air-packed cover. K E Y W O R D Sdesalination, double glass, pyramid shape solar still, single glass, solar energy

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Experimental investigation on the effect of water mass in triangular pyramid solar still integrated to inclined solar still

Cited by 110 publications

References 32 publications

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Experimental study on conventional solar still integrated with inclined solar still under different water depth

Theoretical Analysis of Continuous Heat Extraction from Absorber of Solar Still for Improving the Productivity

Experimental investigation on pyramid solar still with single and double collector cover—Comparative study

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