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Energy, exergy, and economic analyses of integration of heliostat solar receiver to gas and air bottom cycles

机译:能源,Deertent,以及Heliostat太阳能接收器整合到气体和空气底循环的经济学分析

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摘要

In this paper, the energy, exergy, and economic analysis of a novel integrated power plant is investigated. The novel power plant is integrated by using the heliostat solar receiver, the heliostat solr reciever is integrated with many types of traditional power plants such as the gas turbine cycle, air-bottoming cycle, and absorption refrigeration system. Also, the integration of the heliostat solar receiver to heat the exhaust air from the compressor to reduce the natural gas consumption within the gas cycle has been investigated. For the proposed configurations, energy, exergy, and economic analysis for Tehran, Iran (35.689 degrees N, 51.5 degrees E) has been conducted. The model has been validated using previously published results of other authors. Since the investigated configurations are innovative and to the best of our knowledge a similar whole system does not exist in the literature, each cycle has been validated separately. Results and comparisons are given for six different combinations: gas cycle, gas cycle with air bottoming cycle, and gas cycle with air bottoming cycle and absorption refrigeration system. The previously mentioned cycles are analyzed again but this time with integrating them with heliostat solr reciever. The comparisons study is conducted in terms of monthly average energy efficiency, monthly average exergy efficiency, annual average energy efficiency, annual average exergy efficiency, net present value, simple payback period, payback period, and internal rate of return. Results show that adding the heliostat solr reciever to the different cycles minimizes the fossil fuel consumption and enhance energy performance very significantly, for example the energy and exergy efficiencies are increased from 44% up to 69%. Regarding some economic indicators such as the internal rate of return parameter, the results show that the highest internal rate of return belongs to the combination of the gas cycle with air bottoming cycle and absorption refrigeration system with the value of 0.48 and the combination of the gas cycle combined with heliostat solar receiver has the lowest value of internal rate of return of 0.16. As a result of the reduction in fuel consumption savings and other economic indicators are achieved in addition to better environment impact. Finally, the integration of heliostat solar receiver in power cycles shows many advantages mainly in hot areas where solar radiation is high. (C) 2020 Elsevier Ltd. All rights reserved.
机译:本文研究了新型集成电厂的能量,漏洞和经济分析。通过使用Heliostat Solar接收器集成了新型电厂,Heliostat Solr Reciever与许多类型的传统发电厂(如燃气轮机循环,空气底循环和吸收制冷系统)集成。而且,已经研究了Heliostat太阳能接收器从压缩机中加热排气以减少气体循环内的天然气消耗的整合。对于德黑兰的拟议配置,能源,漏洞和经济分析,伊朗(35.689度,51.5摄氏度)已经进行。该模型已通过以前发布的其他作者的结果进行了验证。由于调查的配置是创新的,并且据我们所知,文献中不存在类似的整个系统,因此每个周期都已单独验证。结果和比较六种不同的组合:气体循环,气体循环与空气底循环,气体循环和空气底循环和吸收制冷系统。再次分析了先前提到的循环,但随时将它们与Heliostat Solr Recever集成。比较研究是根据月平均能源效率,月平均低效率,年平均能源效率,年平均低效率,净值,简单的投资金额,投资回收期和内部回报率。结果表明,将Heliostat Solr Reciever添加到不同的循环中,最大限度地减少了化石燃料消耗,并非常显着提高能量性能,例如,能源和漏洞效率从44%增加到69%。关于一些经济指标,如内部返回参数,结果表明,最高的内部回报率属于气体循环与空气底循环和吸收制冷系统的组合,具有0.48的值和气体的组合周期与Heliostat太阳能接收器相结合的内部返回率的最低值为0.16。由于燃料消耗减少,除了更好的环境影响之外,还可以获得其他经济指标。最后,Heliostat太阳能接收器在电源周期中的集成显示了主要在太阳辐射高的热区域的许多优点。 (c)2020 elestvier有限公司保留所有权利。

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