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description Journal article public Lontar: Jurnal Teknik Mesin Undana

Pengaruh Sudut Kaca Penutup Dan Jenis Kaca Terhadap Efisiensi Kolektor Surya Pada Proses Destilasi Air Laut

Ankira Saputra, Ben Tarigan, Muhamad Jafri
Published 2016

Abstract

Distillation system in terms of filtering sea water using solar power, the absorption of radiation plays important role for it functions is as solar radiation absorber and is to convert the radiation into heat energy. Glass cover that will be used on the solar collector is transparent glass and frosted glass. Have ben research, the writer would like to analyze the effects of angles of the glass cover and of the glass types toward the efficiency of the heat collector during the process of sea water distillations with the variant angel of 25o, 35o and 55o. The result shown that the variation on angel and the types of the glass covers, both transparent glass and frosted glass is different each other. The obtained result is that the highest efficiency is on the transparent glass cover with the glass angle declivity of 55o and the average value is of 46,78 % and the lowest is on the frosted glass cover with the angle glass declivity of 25o and the average value is of 42.60 %. While the highest amount of water distillations is on the transparent glass with the angle glass declivity of 25o and the average value is of 92.20 mL and the lowest of water amount is on the frosted glass with angle glass declivity of 55o and the average value is of 32.13 mL. Therefore, in the process of sea water distillations, it is better to use transparent glass cover as the collector with the angle glass declivity of 25o. However, the distance of plate absorber and the glass cover should be high so that the volume of heat room is large and the total amount of heat loss thrown from the solar collector is little to the surroundings

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