Testing the performance of a prototype thermal energy storage tank working with organic phase change material for space heating application conditionsMaria K. Koukou, Michail Gr. Vrachopoulos, George Dogkas, Christos Pagkalos, Kostas Lymperis, Luis Coelho and Amandio RebolaE3S Web Conf., 116 (2019) 00038DOI: https://doi.org/10.1051/e3sconf/201911600038