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Seasonal temperature variation in heat collection liquid used in renewable, carbon-free heat production from urban and rural water areas

Hiltunen, E.; Martinkauppi, J.B.; Mäkiranta, A.; Rinta-Luoma, J.; Syrjälä, T. (Estonian University of Life Sciences, 2015)
article

A renewable energy source called sediment energy is based on heat collection with tubes similar to those used in ground energy and is installed inside a sediment layer under water body. In this paper, an investigation of ...