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首页> 外文期刊>Applied thermal engineering: Design, processes, equipment, economics >Thermodynamic investigation of parameters affecting the execution of steam injected cooled gas turbine based combined cycle power plant with vapor absorption inlet air cooling
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Thermodynamic investigation of parameters affecting the execution of steam injected cooled gas turbine based combined cycle power plant with vapor absorption inlet air cooling

机译：具有蒸汽吸收入口空气冷却蒸汽注入冷却燃气轮机组合循环电厂执行的参数的热力学研究

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摘要

Present paper deals with the thermodynamic investigation of influence of different parameters in steam injected cooled gas turbine based combined cycle power plant employing vapor absorption cooling of inlet air and two pressure heat recovery steam generator. Vapor absorption cooling scheme is run by utilizing the heat energy of the exhaust gas at the exit of HRSG. Gas turbine blades are cooled using film cooling technique. A study of the influence of ambient conditions, cycle pressure ratio, and turbine entry temperature on plant performance has been carried out. It has been noted that the efficiency of gas turbine improves by up to 6.91% and specific work output enhances by 16.42% with the integration of vapor absorption inlet air cooling to the simple cycle. The CCPP specific work output advances 17.34% at given turbine entry temperature as the steam to air ratio increases from 3% to 7% at the cycle pressure ratio of 24. Similarly thermal efficiency of CCPP increases by 6.78% for same cycle pressure ratio of 24 and the constant increment in steam to air ratio from 3 to 7%. (C) 2017 Elsevier Ltd. All rights reserved.
机译：本文涉及不同参数对蒸汽注入的冷却燃气涡轮机基的组合循环发电厂的热力学调查，采用入口空气的蒸汽吸收冷却和两个压力热回收蒸汽发生器。通过利用HRSG出口处的废气的热能来运行蒸汽吸收冷却方案。使用薄膜冷却技术冷却燃气轮机叶片。已经研究了环境条件，循环压力比和涡轮机进入温度对植物性能的影响。已经注意到，燃气轮机的效率可提高6.91％，并且特定的工作输出增强16.42％，蒸汽吸收入口空气冷却到简单的循环。在给定的涡轮机进入温度下，CCPP特定工作输出在给定的涡轮机进入温度下，随着空气比的蒸汽在循环压力比上增加3％至7％。同样的CCPP的热效率增加了6.78％，相同的循环压力比为24并且蒸汽的恒定增量到空气比率为3％至7％。 （c）2017 Elsevier Ltd.保留所有权利。

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