有机郎肯循环在建筑能源管理中的新应用--制冷制热制氢液化发电--韩国

IF 8 Q1 ENERGY & FUELS Energy nexus Pub Date : 2024-03-01 DOI:10.1016/j.nexus.2024.100281
Ehsanolah Assareh , Neha Agarwal , Haider Shaker Baji , Abbas Taghipoor , Moonyong Lee
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引用次数: 0

摘要

这项研究围绕一个以地热能为动力的创新型地热系统的建模和优化展开。该系统采用改进型有机郎肯循环,可高效发电、制氢、制冷和供暖。这项研究专门针对韩国,重点是蔚山市。该地热系统的主要目标是在不造成碳排放或环境污染的情况下,为住宅楼提供必需的产品。这项研究的建模工作使用 EES 软件进行,而优化工作则旨在通过优化放能效率和降低成本来提高性能。为此采用了响应面法(RSM)和 Design Expert 优化软件。优化结果表明,在效率最高的状态下,该系统的能效可达 45.382%,运行成本为 50.414 美元/小时。经济分析表明,改进型 ORC 设备的系统成本最高,为 49.47 美元/小时。研究结果表明,建议的地热系统在气候条件与蔚山类似的城市中表现优异。在全球其他地区,该系统有可能显著提高成本效益和放能效率。研究最后评估了该系统为研究区域内的住宅区提供电力、供暖和制冷的能力,突出了其在城市环境中满足各种能源需求的潜力,同时优先考虑可持续发展和环境责任。研究结果表明,该研究系统全年可产生 3982413.6 千瓦时的供热量和 4555440 千瓦时的制冷量。环境结果表明,在韩国蔚山市,通过每年生产 4088.72 兆瓦时的电力,每年可以帮助扩大 4 公顷的绿地面积。此外,通过减少 834.09 吨二氧化碳的排放,拟议的系统避免了 20,018.3 美元的环境成本。拟议的地热系统全年可满足蔚山市 401 人的用电需求。
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A newly application of Organic Rankine Cycle for building energy management with cooling heating power hydrogen liquefaction generation- South Korea

This research revolves around the modeling and optimization of an innovative geothermal system powered by geothermal energy. The system incorporates a modified Organic Rankine Cycle to efficiently produce electricity, hydrogen, cooling, and heating. The study is specifically tailored for South Korea, with a focus on the city of Ulsan. The primary objective of this geothermal system is to generate essential products for residential buildings without contributing to carbon emissions or environmental pollution. The modeling aspect of this research is conducted using EES software, while optimization efforts are aimed at enhancing performance by optimizing the exergy efficiency and reducing costs. The response surface method (RSM) and Design Expert optimization software are employed for this purpose. The optimal results demonstrate that, in its most efficient state, the system can achieve an impressive exergy efficiency of 45.382 % and operate at a cost rate of 50.414 $/h. The economic analysis underscores that the modified ORC unit bears the highest system cost, amounting to 49.47 $/h. The findings reveal that the suggested geothermal system performs exceptionally well in cities with weather conditions akin to Ulsan. In other regions across the globe, it has the potential to significantly enhance cost-effectiveness and exergy efficiency. The research concludes by evaluating the system's capacity to provide electricity, heating, and cooling for residential complexes within the study areas, highlighting its potential for addressing diverse energy needs in urban settings while prioritizing sustainability and environmental responsibility. The results showed that the study system can produce 3,982,413.6 kWh of heating, and 4,555,440 kWh of cooling during the year. The environmental results showed that by producing 4088.72 MWh of electricity annually in the city of Ulsan, South Korea, it is possible to help the expansion of 4 hectares of green space per year. Also, by reducing carbon dioxide emission by 834.09 tons of CO2, the proposed system avoids the cost of 20,018.3 $ on the environment. The proposed geothermal system can supply the electrical needs of 401 people in Ulsan city during the year.

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来源期刊
Energy nexus
Energy nexus Energy (General), Ecological Modelling, Renewable Energy, Sustainability and the Environment, Water Science and Technology, Agricultural and Biological Sciences (General)
CiteScore
7.70
自引率
0.00%
发文量
0
审稿时长
109 days
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