Energy and exergy analyses of a solar-based multi-generation energy plant integrated with heat recovery and thermal energy storage systems

摘要: Abstract By the depletion of natural resources, utilization solar energy to provide required needs societies attracted many researchers across globe. An innovative multigeneration system driven by is proposed in this paper. The utilizes a pressurized cavity-based power tower and latent thermal storage (TES) continuously harness energy. Considering high-temperature nature technology, four-step Copper-Chlorine (Cu-Cl) thermochemical cycle used produce hydrogen, oxygen, steam. Using an unfired gas turbine unit, air as heat transfer fluid instead molten salt, supply for thermolysis hydrolysis reactions Cu-Cl cycle. Therefore, deficiencies salts are eliminated. Moreover, recovering within integrated improves performance significantly. Also, ternary eutectic phase change material (PCM), dynamic model developed deal with intermittency exergy approaches, investigated assess destruction rates overall performance. A parametric study performed investigate influence design parameters such number heliostats, pressure ratio GT, temperatures on results show that produces electricity, steam, oxygen at rate 41.9 MW, 12.6 kg/s, 0.19 kg/s, 0.76 kg/s, respectively. Energy efficiencies found be 49.9%, 44.9%, compared other alternative systems available literature shows best among others.