A new solar based multigeneration system with hot and cold thermal storages and hydrogen production |
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| Affiliation: | 1. Vellore Institute of Technology University, Chennai Campus, India;2. Indian Institute of Technology Madras, Chennai, India;1. College of Forestry, Northwest A&F University, 3 Taicheng Road, Yangling 712100, China;2. Beijing Research and Development Center for Grass and Environment, Beijing Academy of Agriculture and Forestry Sciences, Beijing 100097, China |
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| Abstract: | A multigeneration system based on solar thermal energy associated with hot and cold thermal storage is designed and analyzed energetically and exergetically. The system produces electricity, a heating effect, a cooling effect, hydrogen, and dry sawdust biomass as outputs by means of organic Rankine cycles, a heat pump, two absorption chillers, an electrolyser, and a belt dryer. The intermittent behavior of the renewable energy source is addressed through the incorporation of hot and cold thermal storage systems to operate an organic Rankine cycle and provide cooling at night. The performance assessment indicates that the overall (day and night) energy and exergy efficiencies are 20.7% and 13.7%, respectively. The majority of the total exergy destruction is attributable to the sawdust belt dryer, at about 64.0%. |
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| Keywords: | Solar Energy storage Hydrogen Exergy Energy Efficiency |
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