Thermoeconomic assessment and optimization of wells to flash–binary cycle using pure R601 and zeotropic mixtures in the Sibayak geothermal field
详细信息 来源：Geothermics 发布日期：2021年1月29日
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- 标题：Thermoeconomic assessment and optimization of wells to flash–binary cycle using pure R601 and zeotropic mixtures in the Sibayak geothermal field
- 关键词：Flash-binary cycle,Optimization,Pipelines,Sibayak geothermal field,Zeotropic mixtures
- 作者：Felix Pratama, Nadhilah Reyseliani, Ahmad Syauqi, Yunus Daud, Widodo Wahyu Purwanto, Praswasti P.D.K. Wulan
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内容简介
In this study, a flflash–binary cycle is proposed with the pressure and energy loss from well to power plant are quantifified in the Sibayak geothermal fifield. The reservoir deliverability curve is simulated using WellSim. The cycle is simulated with various zeotropic mixtures as the working flfluid of the organic Rankine cycle (ORC) using Honeywell UniSim Design and optimized in terms of maximum NPV and maximum power output using Genetic Algorithm. The optimization shows that pure R601 as the ORC working flfluid resulting USD 29,224,825 NPV and 27.88 MW power equivalent to 6.23 % exergy effiffifficiency improvement compared to single flflash. The integration system shows 0.73-0.93 bar pressure loss and 0.53 MW energy loss due to the consideration of pipeline system that is equal to 0.23 Cents/kWh electricity price overestimation.