In this paper, an attempt has been made to unearth the performance of a passive solar still (Double slope) in winter conditions, and summer conditions and comparative study also done in sathyamangalam. This area is forest area and at the same time it is a mountain area also. The study started from the month of February 2013 and went up to June 2013 subsequently it took place between August 2012 and January 2013. In this experiment a double slope solar still was used. The area of the still is 0.5 m~2. The objective of this paper is to observe the behavioural variation of the still in two different climatic conditions and providing these stills for irrigation. The performance of the still has to be find out for different climatic conditions and using this type of still for irrigation in this particular area. This type of irrigation will be benefited for this area.
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