[Orientation related efficiency of the flat-plate solar collectors]
2005
Kikans, I.(Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Engineering. Inst. of Agricultural Energetics)E-mail:Imants.Ziemelis@llu.lv | Ziemelis, Eh.(Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Engineering. Inst. of Agricultural Energetics)E-mail:Imants.Ziemelis@llu.lv | Putans, A.(Latvia Univ. of Agriculture, Jelgava (Latvia). Faculty of Engineering. Inst. of Agricultural Energetics)E-mail:Imants.Ziemelis@llu.lv
The article describes daily and seasonal received radiation and emitted heat theoretical research results of two-axis tracked and non-tracked flat-plate solar collectors for domestic hot water heating systems in Latvia. It was determined that tracked collector can emit 44 % more heat per season than non-tracked. Price of the collector tracked device should not exceed more than 30% of non-tracked collector price.
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