Thermo-economic analysis of a hybrid solar-binary geothermal power plant
作者： Mohammad Ayub , Alexander Mitsos , Hadi Ghasemi
DOI: 10.1016/J.ENERGY.2015.04.106
关键词: Geothermal energy 、 Mechanical engineering 、 Geothermal gradient 、 Binary number 、 Geothermal power 、 Performance metric 、 Process engineering 、 Organic Rankine cycle 、 Solar energy 、 Hybrid system 、 Engineering
摘要: Abstract An integrated model is developed for a hybrid solar-binary geothermal system. The system consists of an existing ORC (organic Rankine cycle) utilizing low-temperature brine and solar trough based on the new parallel configuration by Ghasemi et al. (2014) which performs better than combined individual systems. operation optimized maximizing net power output evaluated representative days year 2013. design objective at nominal conditions. This results in 7% share output. constant-flow variable-flow configurations lead to 5.5% 6.3% boost compared ORC, respectively. LEC (levelized electricity cost) used as economic performance metric analyze analysis shows that can be decreased 2% stand-alone optimization 8% reduction LCE suggesting option hybridization this time.
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