Scarcity for water exists in many countries even though three fourth of the earth is covered by water. The reason behind this is the rapid growth of industry and population worldwide. Solar still is the only efficient solution for water problem in hot climatic conditional areas where there is scarcity of water and electricity. Solar still is a very simple solar device that is used for converting the available brackish water (Salt water) into potable water. 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 low thermal conductivity of 0.2 W/mk, it helps in retaining the heat inside the solar still. The Aluminium fins are used as heat storage material since it has a high thermal conductivity of 167 W/mk which helps in conducting more heat to the brackish water. The working of the solar still is that when the solar radiations from the sun enter inside the solar still through the glass cover of thickness 3 mm due to which the aluminium fin which has higher thermal conductivity gets heated and conducts heat to the brackish water due to which pure water evaporate into water vapour and condenses on the glass cover and then gets collected in the water collector and passed into the measuring beaker through the outlet tube. It was found out that about 505 ml of water is obtained by placing the solar still on a sunny day from 7.00 AM to 7.00 PM.
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