Journal Article

·2014

THERMOECONOMIC ANALYSIS OF HEAT RECOVERY STEAM GENERATORS FOR STEAM INJECTED GAS TURBINE CYCLES

Hasan Kayhan Kayadelen YTU , Yasin Üst YTU

Proceeding of Proceedings of CONV-14: International Symposium on Convective Heat and Mass Transfer. June 8 - 13, 2014, Kusadasi, Turkey

Abstract

Steam injection at the upstream of the combustion chamber is an effective way to boost power, increase thermal efficiency and limit NOx emissions in gas turbine systems. This modification also enables the user to burn less fuel without any loss from the turbine power output. Additionally, to generate superheated steam, a heat recovery steam generator is essential which utilize the waste heat from the gas turbine exhaust. This work introduces the potential requirements of steam generation in steam injected gas turbine systems and puts forward a practical HRSG design for steam injected gas turbines which can be used for thermo-economic evaluation of steam injected gas turbine cycles.

Keywords

Heat recovery steam generator Steam-electric power station Superheated steam Combined cycle Surface condenser Boiler (water heating) Thermal power station Steam drum Steam turbine Nuclear engineering Vapor-compression evaporation Combustion chamber Combustion Waste management Thermal efficiency Engineering Feedwater heater Heat recovery ventilation Environmental science Turbine Mechanical engineering Chemistry Heat exchanger

Subject Areas

Thermodynamic and Exergetic Analyses of Power and Cooling Systems ·Mechanical Engineering ·Physical Sciences
Advanced Power Generation Technologies ·Electrical and Electronic Engineering ·Physical Sciences
Combustion and flame dynamics ·Computational Mechanics ·Physical Sciences

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