Improving the double slope solar still performance by using flat-plate solar collector and cooling glass cover

Morad, M. M.; El-Maghawry, Hend A.M.; Wasfy, K. I.

doi:10.1016/j.desal.2015.06.017

Cited by 169 publications

(48 citation statements)

References 13 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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“…For the solar still, aluminium metal sheet of 0.5 mm thickness was molded into the evaporator basin and painted black throughout to improve the radiation absorption [12]. As shown in Fig.…”

Section: Methodsmentioning

confidence: 99%

Experimental Investigations on the Performance of a Single Slope Solar Still Coupled with Shallow Solar Pond under Malaysian Conditions

Kamarulbaharin

Safie

Azmi

2018

IJET

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Water is important to life. Deprived of water, humans can only survive for a few days. Oceans offer unlimited supply of water but it could not be ingested by humans on account of its high salt content. Desalination using fossil fuels as an energy source is expensive and may harm the environment. On the other hand, solar energy which is renewable and environmentally friendly can be used as a cheaper alternative. This paper aims to investigate the performance of a single slope solar still coupled with shallow solar pond of different design parameters under Malaysian conditions. Results showed that the performance of stills coupled with shallow solar pond is better than the ones without. The active still with the steepest condenser tilt angle (20 o ) yielded the highest productivity of 119 ml of water as compared to the 3 o tilt angle passive still (8.5 ml).

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“…Soliman (1976) suggested the concept of high temperature solar distillation (active solar distillation system). Worldwide, many researchers (Rai and Tiwari, 1983;Lawrence and Tiwari, 1990;Tayeb, 1992;Tiwari et al, 2003;Dubey and Tiwari, 2008;Hamadou and Abdellatif, 2014;Ling et al, 2014;Huang et al, 2015;Sebaii et al, 2015;Feilizadeh et al, 2015;Rahbar et al, 2015;Morad et al, 2015;Nimr and Dahdolan, 2015;Dehghan et al, 2015;Taghvaei et al, 2015;Edalatpour et al, 2016;Tiwari and Sahota, 2017) have theoretically and experimentally studied different active solar distillation systems.…”

Section: Solar Still Integrated With N-photovoltaic Thermal Partiallymentioning

confidence: 99%

Review on series connected photovoltaic thermal (PVT) systems: Analytical and experimental studies

Sahota

Tiwari

2017

Solar Energy

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Improving the double slope solar still performance by using flat-plate solar collector and cooling glass cover

Cited by 169 publications

References 13 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

Experimental Investigations on the Performance of a Single Slope Solar Still Coupled with Shallow Solar Pond under Malaysian Conditions

Review on series connected photovoltaic thermal (PVT) systems: Analytical and experimental studies

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