scholarly journals An Exhaustive Review on a Solar Still Coupled with a Flat Plate Collector

2021 ◽  
Vol 2021 ◽  
pp. 1-24
Author(s):  
Ahmadreza Ayoobi ◽  
Mahdi Ramezanizadeh

In recent years, producing energy and potable water has become a contemporaneous issue in all areas, especially in rural and remote areas. It is due to the limitation of fossil fuels in generating energy and the daily increase of potable water topic pollution due to various development activities in the industries. Gradually, the use of renewable energies has been suggested as far as humans focus on using these energies in various activities, which is gratis and accessible in more areas without having negative anthropogenic hazards. Solar radiation has an important position in renewable energies and has played a significant role in the desalination process due to the convenience in applying and abundance in the areas with potable water shortages. However, one of the active solar stills is the coupling of conventional solar still with a flat plate collector. In this type, a flat plate collector is used to raise the temperature of saline water which increases the productivity. In this research, the solar still coupled with a flat plate collector is reviewed as the active solar still and the affecting parameters on its performance and efficiency are discussed. First, a summary of working research and their research of flat plate collectors is reviewed to be more familiar with flat plate collectors, their details, and technology. Then, solar still coupled with a flat plate collector is extensively reviewed and discussed in detail. Four types of studies on solar still coupled with a flat plate collector were done, including energy analysis, exergy analysis, economic analysis, and productivity evaluation.

2019 ◽  
Vol 22 (5) ◽  
pp. 4145-4167 ◽  
Author(s):  
A. Muthu Manokar ◽  
M. Vimala ◽  
Ravishankar Sathyamurthy ◽  
A. E. Kabeel ◽  
D. Prince Winston ◽  
...  

2019 ◽  
Vol 142 (2) ◽  
Author(s):  
Rajeev Kumar ◽  
Rahul Sharma ◽  
Dharmendra Kumar ◽  
Ajay R. Singh ◽  
Desh B. Singh ◽  
...  

Abstract In this communication, characteristic equation for single-slope solar still augmented with N alike parabolic concentrator integrated evacuated tubular collectors has been developed which is also valid for N alike evacuated tubular collectors integrated single-slope solar distiller unit as well as passive single-slope solar distiller unit. The developed equation is similar in the form to Hottel-Whillier-Bliss equation which was developed for flat plate collector. The analytical equation development for the proposed system involves the writing of equations for its different components on the ground of equating net energy input to net energy output. The results obtained for the proposed system have been compared with the results of N alike evacuated tubular collectors integrated single-slope solar distiller unit and passive single-slope solar distiller unit. It has been concluded that the mean value of instantaneous efficiency for N alike parabolic concentrator integrated evacuated tubular collectors is higher by 42.86% and 50.82%; daily generation of freshwater is higher by 49.73% and 74.34%; and daily exergy is higher by 78.71% and 93.35% than the corresponding values for N alike evacuated tubular collector integrated single-slope solar distiller unit and passive single-slope solar distiller unit for the same basin area in that order.


Desalination ◽  
2014 ◽  
Vol 347 ◽  
pp. 131-137 ◽  
Author(s):  
T. Rajaseenivasan ◽  
P. Nelson Raja ◽  
K. Srithar

Desalination ◽  
2005 ◽  
Vol 172 (3) ◽  
pp. 227-234 ◽  
Author(s):  
Ali A. Badran ◽  
Ihmad A. Al-Hallaq ◽  
Imad A. Eyal Salman ◽  
Mohammad Z. Odat

2015 ◽  
Vol 813-814 ◽  
pp. 690-694
Author(s):  
J. Prabahar ◽  
Thangavel Balusamy ◽  
Varghese M. John

One of the essential needs of a living thing on earth is the pure water and nowadays this valuable natural resource is facing severe scarcity problems. Solar distillation is a better choice to minimize this problem by harvesting solar radiation in solar still and thereby producing pure water from hard water or brine. In this work, an attempt was made to enhance the productivity of still by flat plate collector, sponge, the combination. Finally, the productivity of the simple still was compared with that of a flat-plate collector, sponge, the combination. Use of flat plate collector and sponge increases the overall temperature of the still water and enhance the evaporation respectively thereby this will improve the condensate production of the solar still. It was observed that productivity increased by 14% in case of still with a collector, 10% for still with a sponge and 17% for still with collector sponge combination when compared with simple still.


Author(s):  
Subramaniyan C ◽  
◽  
Prakash K B ◽  
Amarkarthik A ◽  
Kalidasan B ◽  
...  

Demand and conservation for potable water has become a foremost concern world-wide. Many technologies were adapted for converting the saline water to potable water to meet the required demand on water conservation. In the current research work triangular solar still with rectangular-fins attached to the basin is proposed to enhance the output of potable water from the solar still setup. Solar still with and without rectangular-fins on the basin are fabricated for experimental comparison and evaluation in addition to numerical investigations. Thermal Performance, instantaneous efficiency and potable water output of the proposed solar still & base solar still are investigated during March month for the location of Sathyamangalam. Investigation shows enhancement of water production in the proposed solar still by 41% higher compared to the base still. The maximum distillate output from modified still and base still for a typical day is 3.1 liter and 2.2 liter respectively.


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