D4.1 Engineering configuration of the thermal energy storage system

This document reports the methodology employed for defining the main characteristics of the thermal energy store, considering the dynamics of charging and discharging, the overall dimensions and the characteristics and operational features of the heat transfer fluid.
Based on these definitions, detail engineering of the thermal energy store is reported, considering the thermal-hydraulic design of the heat transfer circuit, and the mechanical design of the vessel and auxiliary components, with strong focus on the manufacturing of the equipment.