Optimal design and operation of an Organic Rankine Cycle (ORC) system driven by solar energy with sensible thermal energy storage

• The ORC system driven by solar energy generates round-the-clock stable power output. integrated is optimized based on a simulation-based optimization framework. Optimal design and control strategy are identified. In this study, the optimal operation of an Organic Rankine Cycle (ORC) investigated. A two-tank sensible thermal storage configured to overcome intermittency energy. circulating fluid, also termed as heat transfer fluid (HTF) that connects collector plays critical role in system. mass flowrate HTF determines both temperature amount absorbed from collector. model developed work. Process simulation performed Aspen HYSYS, mathematical models parabolic trough Matlab. including hot tank temperature, cold HTF, operating conditions determined simultaneously can be well. efficiency maximized with proposed strategy. With framework, recuperative plant toluene working increased 17.9% 24.8% compared previous study literature. performs much better than basic ORC. Toluene best among all investigated fluids ignoring problem vacuum condensation. cycle type (subcritical vs. supercritical) exerts great influence performance. supercritical improve 11.3% overall 10.8% subcritical n-pentane fluid.