Examination of a novel solar still equipped with evacuated tube collectors and thermoelectric modules

Shafii, Mohammad Behshad; Shahmohamadi, Mojtaba; Faegh, Meysam; Sadrhosseini, Hani

doi:10.1016/j.desal.2015.12.019

Cited by 89 publications

(18 citation statements)

References 42 publications

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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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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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“…The average daily yield of portable active solar still is 1.2 L/m 2 16 Mohammad Behshad Shafii et al [28] Iron Novel solar still outfitted with evacuated tube collectors and thermoelectric modules…”

Section: Discussion Of Resultsmentioning

confidence: 99%

“…Shafii et al studied the use of ETC and TEC module incorporated with a novel solar still which is shown in Figure . They induced forced convection by using a small propeller fan kept at the bottom of the condensing chamber.…”

Section: Increasing the Condensation Ratementioning

confidence: 99%

“… (a) The representation of the experimental system. (b) The processes occurred . [Color figure can be viewed at http://wileyonlinelibrary.com]…”

Section: Increasing the Condensation Ratementioning

confidence: 99%

“…It was submitted that water yield decreases when the wind speed increases. The normal daily production of portable ASS is 1.2 L/m 2 Shafii et al [28] studied the use of ETC and TEC module incorporated with a novel solar still which is shown in Figure 20. They induced forced convection by using a small propeller fan kept at the bottom of the condensing chamber.…”

Section: Thermoelectric Coolingmentioning

confidence: 99%

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Different parameters affecting the condensation rate on an active solar still—A review

Manokar¹,

Vimala

Winston³

et al. 2018

Env Prog and Sustain Energy

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Passive solar stills are used for solar distillation. But the yield of passive still is very low, and often fails to meet the demand. Water is one of the fundamental sources for the survival of mankind on the globe. As world having just a little measure of water assets for utilization purpose, individuals living in undeveloped countries and urban zones are getting affected by consuming dirty water that prompts water‐borne illness. Despite the fact that groundwater is accessible in little amount, it must be suitably treated before its utilization for domestic use. Salty water contains dissolved and undissolved substance, and henceforth, it is not advisable for family drinking purpose. To enhance the productivity of fresh water, several techniques were employed. Furthermore, increase in yield of fresh water depends on various environmental parameters and rate of condensation. In this article, a complete review of various methods employed to enhance the condensation rate on an active solar still has been presented. Solar still incorporated with the evacuated tube collectors (ETC) and thermo electric modules (TEM) increased the still effectiveness up to 68%. © 2018 American Institute of Chemical Engineers Environ Prog, 38: 286–296, 2019

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Year around distilled water production, energy, and economic analysis of solar stills—A comparative study

Manokar

Vimala

Winston³

et al. 2020

Heat Trans

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In this paper, a year around energy efficiency (EnE) and economic analysis of single slope solar still (SSSS), the single slope solar still with glass cooling (SSSSGC), the single slope solar still with basin heating (SSSSBH), and the single slope solar still with glass cooling and basin heating (SSSSGCBH) was carried out based on the distilled water production. The annual yield production from the SSSS, SSSSGC, SSSSBH, and SSSSGCBH were 476.16, 637.44, 970.24, and 1167.36 kg, respectively. The yearly yield produced from the SSSSBH and SSSSGCBH was increased by 50.92% and 59.21%, respectively, as compared with the SSSS. Moreover, the annual EnE of the SSSSGCBH was 28.75%. However, the EnE of the SSSS was 11.73%. Also, freshwater making cost is found to be 18.9, 24.9, 37.9, and 45.6 Rs/day for the SSSS, SSSSGC, SSSSBH, and SSSSGCBH, respectively, if the buying cost of freshwater is Rs 10.

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Examination of a novel solar still equipped with evacuated tube collectors and thermoelectric modules

Cited by 89 publications

References 42 publications

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

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

Different parameters affecting the condensation rate on an active solar still—A review

Year around distilled water production, energy, and economic analysis of solar stills—A comparative study

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