Castell, A.; Medrano, M.; Solé, C.; Cabeza, L.F. - In: Renewable Energy 35 (2010) 10, pp. 2192-2199
The efficiency of thermal energy storage and solar collector systems is improved if the water tank is stratified. There are many parameters to characterize stratification but no work compares their suitability. This paper identifies the most used dimensionless numbers to characterize...