Mathematical simulation of the Vertical solar still (VSS) production with the external reflector

Volume 17 , Issue 2 , June 2015 , Pages 23-32

Authors

¹ Polymer Research Center, University of Basra, Basra - Iraq

In this work, a vertical solar still was constructed in Basra city in Iraq. An

experimental achievement was carried out on two solar stills under the same conditions.

Also, each still has one evaporative side. The still contains a basin with the total area of

(0.125 m2). The still basin covers with a piece of black cotton cloth wet with brackish

water. In addition, one of the still was provided with an external reflector, in order to

reflect the direct sunlight to the absorber surface. The solar still was prepared from

available local materials. We found in this experimental study that the efficiency without

any improvement vertical solar still is (17.6 %) and increases to (38.2 %) by using

vertical solar still with external reflector of the day 17 July 2012.

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