Solar collector geometries at high latitudes

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Keyword: Solenergi, Solfångarlutning, Solföljning
Publication year: 1991

Insolation onto and energy output from solar collectors have been estimated for some typical high latitude locations using the F-Chart computer program and weather data from the Swedish Meteorological and Hydrological Institute. Optimum tilt for south-facing collectors at Swedish latitudes is approximately latitude minus 20 degrees for maximum yearly performance, and about latitude minus 30 degrees for maximum summer performance. If tracking is considered, vertical axis tracking seems favorable with energy gain larger than normal 1-axis tracking with latitude tilted axis.


Lars Broman

Högskolan Dalarna; Miljöteknik
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Gouri Datta

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