Exergy analysis of combined cycle of gas turbine and solid oxide fuel cell in different compression ratios

Esmaeel Fatahian, N. Tonekaboni, H. Fatahian
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引用次数: 2

Abstract

Due to the growing trend of energy consumption in the world uses of methods and new energy production systems with high efficiency and low emissions have been prioritized. Today, with the development of different systems of energy production, different techniques such as the use of solar energy, wind energy, fuel cells, micro turbines and diesel generators in cogeneration have been considered, each of these methods has its own advantages and disadvantages. Having a reliable energy generation system, inexpensive and availability the use of fuel cells as a major candidate has been introduced. Fuel cells converting chemical energy to electrical energy that today are one as a new technology in energy production are considered. In this paper fuel cell compression ratios 4, 4.1 and 4.2 at an ambient temperature of 298 K have been simulated and ultimately optimum ratio 4.1 for modeling has been selected. All components of cycle, including the stack of fuel cell, combustion chamber, air compressors, recuperator and gas turbine was evaluated from the viewpoint of exergy and exergy destruction rate was calculated by EES software.
不同压缩比下燃气轮机与固体氧化物燃料电池联合循环的火用分析
由于世界能源消费的增长趋势,使用高效率和低排放的方法和新能源生产系统已被优先考虑。今天,随着不同系统的能源生产的发展,不同的技术,如利用太阳能,风能,燃料电池,微型涡轮机和柴油发电机热电联产已被考虑,每一种方法都有自己的优点和缺点。由于具有可靠的发电系统、价格低廉和可用性,燃料电池作为主要的备选方案已被引入。燃料电池将化学能转化为电能,是当今能源生产中的一项新技术。本文对燃料电池在298 K环境温度下的压缩比4,4.1和4.2进行了模拟,最终选择了最优的压缩比4.1进行建模。从火用的角度对燃料电池堆、燃烧室、空压机、回热器、燃气轮机等各循环部件进行了评价,并利用EES软件计算了火用破坏率。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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