BigStrat – Stratification of Large Thermal Storage Tanks

A combination of measurements from seven field systems and simulations of systems with large thermal storage tanks was used in order to derive rules for the extrapolation of design rules that lead to good thermal stratification from small (800 l) sized tanks to large (up to 200 m³) tank sizes. In addition, a deflection relation was defined that allows for the prediction of the preservation of existing stratification depending on the distance to the next obstacle in the storage tank, when fluid is entering vertically or via an elbow pipe in the direction of the storage tank cover.