An experimental investigation of the factors which affect. Impact of materials and economic analysis of single slope. Comparative study of double basin and single basin solar. It was observed that passive solar still with inclination of 450 gives better performance both in winter and summer. Solar still is an economical and easy method for production of pure water. Jan 15, 20 this paper presents a new approach to enhance the productivity of a solar still by introducing an additional basin in the double slope solar still. Pdf analysis of double slope single basin solarstill.
The purpose of this study is to evaluate experimental results of double slope solar still using phase change material and circular fins. A single basin double slope solar still with an inner basin size 2. The distilled water output and efficiency of solar still when coupled. A double slope single basin solar still with basin area 1 m2 is used for solar desalination. The basin area of single basin double slope solar still is 1m2and 2m2area of flat plate collector is used. Single basin double slope solar still with minimum basin. Single slope single basin solar stills provided with different quantities of bees wax is compared with conventional solar still i. Comparison of different solar still on productivity was also analysed, and it is seen that the yield is higher in the present study by 38. As copper has higher thermal conductivity of 395 wmk comparatively higher than iron, the rate of heat transfer to water in the still is more. Experimental investigation of double slope solar still for. In experimentation total four efficiency enhancement.
Attempts have been made by researchers to improve the productivity of solar still. Introduction drinking water is still a big problem in most arid and remote areas. Original research open access performance correlation for singlebasin doubleslope solar still shanmugasundaram kandasamy, manikandan vellingiri, shanmugan sengottain and janarthanan balasundaram abstract in this study, an attempt has been made to develop a new correlation for the productivity of a singlebasin. Experiments are performed for different water depths 0. An approach to optimization of double basin single slope solar still. The two main categories of basin stills are single and double sloped. The performance of the double slope solar still coupled with and without shallow solar pond has been analyzed experimentally. Pdf modeling and verification of double slope single basin. Effect of nanofluid in single slope double basin solar still. The single, double basin stills were operated in solar and biomass modes with 2cm boundary layers solar mode and biomass produces 1090kgm2 and1540kgm2 for double slope still and single slope produces 2080 kgm2, 1850 kgm2.
Design and experimental analysis of double slope single basin. The aim of this project is to analyze the performance of single basin single slope solar still by using acrylic sheet as casing as it has very. In the present work, single slope double basin solar still performance has been investigated with and without using al 2 o 3 nanoparticles at the location 20. Modeling and verification of double slope single basin solar still. A schematic diagram of the doubleslope singlebasin solar still is shown in figure 1a, and a photograph of the experimental setup of doubleslope singlebasin solar still with an inclination angle of the condensing glass cover 11 is shown in figure 1b.
Design and fabrication of a single slope solar still with. In his study author observe that single basin solar still which is earlier used for converting available brackish or waste. A comparative study of single and double basin double slope solar still of 0. Experimental investigation on the performance of modified single. The year round performance of the still in a particular place is mainly affected by the variations in transmittance of the covers and solar irradiance on the covers. Performance investigation of single basin double slope. Plywood of 12 mm thickness is used for the insulating the solar still so. Fabrication of solar still two identical singlebasin doubleslope solar stills were fabricated and used. They may have either single slope cover or double slope cover. A double slope single basin solarstill with basin area 1 m2 is used for solar desalination.
Performance study of a single basin single slope solar still. Performance correlation for singlebasin doubleslope solar still. Experimental study of an integrated single basin solar. Present work is an attempt to increase the productivity of double slope single basin solar still by utilizing sand bed as sensible. Experimental and theroretical evaluation of double slope single. An experimental study on single basin double slope simulation. The experiments were carried out by varying the water depths from 1 to 5 cm under both insulated. Most of the water resources are under the stage of depletion. Pdf analysis of double slope single basin solarstill using. Solar still is a simple device which can convert available waste or brackish water into potable water using solar energy. Pcs are the chemicals which enhances the evaporation. This type of solar still consist of more than one basin holding the dirty water to be purified. Muthu manokara 2016 11 this paper presents a comparative study of single basin single slope aluminums finned acrylic solar still and single basin single slope galvanized iron solar still.
In this work, the experimental modification was carried out in the single basin single slope solar still to improve the performance. Analysis of double slope single basin solarstill using photo. Developing thermal model for single basin double slope. Experimental analysis of single basin single slope acrylic. Double slope single basin passive solar still is the best choice for drinking water prone remote areas investigations show its limitation because of its lower performance in terms of distillate output. Pdf modeling and verification of double slope single. Pdf in this study, an attempt has been made to develop a new correlation for the productivity of a singlebasin doubleslope solar still using. Nano fluids improved the solar still water productivity by about 116% when the still integrated with the external condenser. The single basin, double slope, solar still is made airtight and the area is taken as 1 m2 for a basin and the height of the basin is taken as 10 cm. Performance correlation for singlebasin doubleslope. Under optimal settings, the single slope solar still was found to be the best system with improvement in productivity of about 28%. Alnaser reported that the production of a double slope, solar still is greater than the single basin solar still 11. An experimental investigation of the factors which affect on.
Productivity of conventional solar still is found to be low. Comparative analysis on freshwater yield from conventional. This type of still is capable of producing clean potable water from available brackish or. Aug 14, 2012 in this paper, the fabrication of seven solar still designs such as spherical solar still, pyramid solar still, hemispherical solar still, double basin glass solar still, concentrator coupled single slope solar still, tubular solar still and tubular solar still coupled with pyramid solar still and their performance evaluation in converting. Analysis of double slope single basin solarstill using. Modeling and verification of double slope single basin solar still using laboratory and actual solar conditions. Single basin solar still is a valuable solution for this problem. Original research open access performance correlation. Pdf this paper deals with thethermal and cfd analysis of single basin double slope solar still. Single and double basin double slope solar stills of same basin area were fabricated using glass. Economic analysis of single slope single basin passive solar still. One still was used as a reference unit and the other one as test unit.
Distillation, single basin solar still, brine water depths, correlation background water is very much essential for human beings. Developing thermal model for single basin double slope solar. For the study, two similar singleslope doublebasin solar stills were developed with the small pile of two different wick materials namely jute cloth and black cotton cloth. Single basin solar stills are mainly used for this purpose. Performance study of a single basin single slope solar. Double slope single basin solar still using phase changing materials like paraffin wax and. A double slope single basin, passive type, still with basin area of 1. Effect of water depth on distillate output of single slope passive distiller unit have been reported by tiwari and tiwari 9, whereas effect of various water depth for double slope single basin solar still dsss facing.
Single basin double slope solar still with minimum basin depth and energy storing materials. Performance enhancement study on single basin double slope. Experimentation is total carried out total five days in a month march 2020 from 1st march to 6th march compared to the efficiency of simple solar still single basin double slope solar still with finned surface efficiency is more simple solar still gives 1l pure water from the 6l of saline water in 7 hours but this will gives 5l of pure water. Pdf performance correlation for singlebasin doubleslope solar still. A comparative performance study of double basin single. Figure 3, the solar still consists of a shallow triangular basin made up of copper sheet instead of g. Performance improvement of double slope solar still using. Single slope single basin solar still using fuzzy logic doi. Performance of singleslope doublebasin solar stills with. Performance and numerical analysis of single basin solar. Experimental and theroretical evaluation of double slope. The single basin double slope solar still is connected with storage tank of the flat plate collector solar water heater i.
The main reason for using two identical units is to arouse the. Although, there are lots of fruitful research article considering the economic analysis of solar still. Original research open access performance correlation for. Design and performance analysis of a modified vacuum single. A single basin double slope solar still with basin area 1. The experiments were conducted for many days with different brine depths in the basin from january to. As copper has higher thermal conductivity of 395 wmk comparatively higher than iron, the rate of heat transfer to water in the still is. Comparative output from newly developed solar still was low but it has several advantages that it is cheapest, cost efficient and easy to clean. Effect of water depth on distillate output of single slope passive distiller unit have been reported by tiwari and tiwari 9, whereas effect of various water depth. Experiments were conducted for different water depths in basin.
In this study, an attempt has been made to develop a new correlation for the productivity of a singlebasin doubleslope solar still using. Design and performance analysis of a modified vacuum. Analysis of double slope single basin solarstill using photo catalysts. Two solar stills, single basin double slope and double basin double slope with the same basin area were fabricated and tested at kovilpatti 9 11. The double sloped basin still has two sloped pieces of glass rather than one. Experiments are conducted for both combinations absorbing materials in the basin with no glass cover cooling and absorbing material in basin with intermittent glass cover cooling. Experimental setup a schematic of the solar still fabricated in the current. Comparative performances of single, double slope solar. The distilled water productivity of the single basin single slope solar still is very low.
Two identical a single basin double slope solar still have been designed and fabricated with mild steel plate, as shown in figure 1a and figure 1b. Experimental setup two identical a single basin double slope solar still have been designed and fabricated with mild steel plate, as shown in figure 1a and figure 1b. A modified single slope solar still was designed, fabricated and. In this paper, an attempt has been made to enhance the productivity of the single basin double slope solar still by integrating with shallow solar pond.
Double slope type solar still department of mechanical engineering page 1 maharana institute of technology and sciences gaura, mohanlalganj, lucknow a project report on construction of double slope type solar still submitted in partial fulfillment for the award of the degree of bachelor of technology in mechanical engineering from uttar pradesh technical. An experimental study on single basin double slope simulation solar still with thin layer of water in the basin. Abstract this work presents the development of a flexible, efficient, robust and low cost single solar still. Temperature and solar intensity was measured in every 1 hr with the help of digital temp meter and solar power meter solar flux meter. Two experimental stills of the same basin area will be fabricated and will be tested the performance of double basindouble effect single slope solar still. Experimental investigations were carried out on two single slope solar stills. The main parts of still are basin, frame, glass cover and support structure. Two experimental stills of the same basin area will be fabricated and will be tested the performance of double basin double effect single slope solar still with and without nanofluid simultaneously. S429s438 hence, for same irradiance conditions, the performance of the still varies place to place and day to day due to the changes in solar aoi and transmittance. Solar still type and yield still type yield lm2day angle 24.
A single basin and single slope solar still with the three different low cost basin materials viz. Supplying drinkable water is one of the major problems in developing countries. A comparative performance study of double basin single slope. Solar still is a very simple solar device that is used for converting the available brackish water salt water into potable water. Single slope single basin solar still using fuzzy logic. Performance investigation of single basin double slope solar. The performance of singleslope doublebasin solar stills was evaluated with the use of small pile of wick materials in lower basin of stills. Pcs are the chemicals which enhances the evaporation rate of water in solar still in the presence of sunlight without reacting with water and without getting consumed. Comparative performances of single, double slope solar stills. Experimental attempt was carried out to enhance the solar still productivity by. In this paper, the fabrication of seven solar still designs such as spherical solar still, pyramid solar still, hemispherical solar still, double basin glass solar still, concentrator coupled single slope solar still, tubular solar still and tubular solar still coupled with pyramid solar still and their performance evaluation in converting. Double slope type solar still department of mechanical engineering page 1 maharana institute of technology and sciences gaura, mohanlalganj, lucknow a project report on construction of double slope type solar still submitted in partial fulfillment for the award of the degree of bachelor of technology in. Pcs are the chemicals which enhances the evaporation rate of water in solarstill in the presence of sunlight without reacting with water and without getting consumed. The solar still is nonconventional, cheap, simple, easy to construct and is of low thermal capacity.
Furthermore, with increase in water temperature the productivity was enhanced by 45% as compared to the css. Typical results showed that the double basin type produced about 56 per cent higher yield than a single effect still. The additional basins are made of glass to allow solar radiation to reach the lower basins. Studies in single basin solar stills have shown that the lowering of glass cover temperature, caused by water flowing over it increases the daily. Design and fabrication of a single slope solar still with variable collector angle. A single basin single slope solar still is simple and economical, but it has a very low yield of distilled water. Single slope solar still, cfd introduction now days, lack of drinking water is majour problem in most of the countries. Single basin double slope solar still, solar energy, active techniques, etc.
The number of basins may vary two basins double basin solar still, three basins triple basin solar still. This paper presents the effect of two different photocatalysts pcs on solar desalination. For the experimentation, two identical single slope double basin solar stills were fabricated with the same basin area. S429s438 hence, for same irradiance conditions, the performance of the still varies place to place and day to day due to.
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