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An Improved Method of Combined Cycle Gas Turbine Performance Test  Fulltext 

[ m khosravy el-hossani ] -
[ q dorosti ] -

خلاصه مقاله:

one of the important applications of gas turbines is their utilization for heat recovery steam generator in combined cycle technology heat recovery steam generator performance which are mainly determined by the main gas turbine components performance data. for this reason a method was developed for determingin the exhaust energyin the new edition of ASME PTC 22.the result of this investigationshows that the method of standard has considerable error. therefore in this paper a new method is presented for modifying of the performance calculation . the modified method is based on exhaust gas constituent analysis and combustion calculations the case study presented here by two kind of general electric gas turbine design data for validation of methodologies. the result whows that the modified method is more precise than the ASME PT C 22 method. the exhaust flow calculation deviation from design data is 1.5-2%by ASME PTC22method so that the deviation regarding with modified method is 0.3-0.5%.

gas turbine, performance test code, combined cycle.