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Experimental and Thermoeconomic Analysis of Small-Scale Solar Organic Rankine Cycle (SORC) System

机译：小型太阳有机朗肯循环（SORC）系统的实验和热经济学分析

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摘要

A small-scale solar organic Rankine cycle (ORC) is a promising renewable energy-driven power generation technology that can be used in the rural areas of developing countries. A prototype was developed and tested for its performance characteristics under a range of solar source temperatures. The solar ORC system power output was calculated based on the thermal and solar collector efficiency. The maximum solar power output was observed in April. The solar ORC unit power output ranged from 0.4 kW to 1.38 kW during the year. The highest power output was obtained when the expander inlet pressure was 13 bar and the solar source temperature was 120 °C. The area of the collector for the investigation was calculated based on the meteorological conditions of Busan City (South Korea). In the second part, economic and thermoeconomic analyses were carried out to determine the cost of energy per kWh from the solar ORC. The selling price of electricity generation was found to be $0.68/kWh and $0.39/kWh for the prototype and low cost solar ORC, respectively. The sensitivity analysis was carried out in order to find the influencing economic parameters for the change in NPV. Finally, the sustainability index was calculated to assess the sustainable development of the solar ORC system.
机译：小规模的太阳能有机朗肯循环（ORC）是一种有前途的可再生能源驱动的发电技术，可以在发展中国家的农村地区使用。开发了原型，并测试了其在一系列太阳能温度下的性能特征。太阳能ORC系统的功率输出是根据热效率和太阳能收集器效率计算得出的。在四月观察到最大的太阳能输出。一年中，太阳能ORC装置的功率输出范围为0.4 kW至1.38 kW。当膨胀机入口压力为13 bar，太阳能源温度为120°C时，可获得最高的功率输出。根据釜山市（韩国）的气象条件，计算出收集者的调查面积。在第二部分中，进行了经济和热经济学分析，以确定太阳能ORC的每kWh能源成本。原型和低成本太阳能ORC的发电价格分别为0.68美元/千瓦时和0.39美元/千瓦时。进行敏感性分析是为了找出影响NPV变化的经济参数。最后，计算了可持续性指数以评估太阳能ORC系统的可持续发展。

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