NDLI: Increasing the Efficiency of a Gas Turbine Power Plant by Waste Heat Recovery

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Shukla, P. Izadi, M. Marzocca, P. Aidun, D. K.
Copyright Year	2009
Abstract	The objective of this paper is to evaluate methods to increase the efficiency of a gas turbine power plant. Advanced intercooled gas turbine power plants are quite efficient, efficiency reaching about 47%. The efficiency could be further increased by recovering wasted heat. The system under consideration includes an intercooled gas turbine. The heat is being wasted in the intercooler and a temperature drop happens at the exhaust. For the current system it will be shown that combining the gas cycle with steam cycle and removing the intercooler will increase the efficiency of the combined cycle power plant up to 60%. In combined cycles the efficiency depends greatly on the exhaust temperature of the gas turbine and the higher gas temperature leads to the higher efficiency of the steam cycle. The analysis shows that the latest gas turbines with the intercooler can be employed more efficiently in a combined cycle power application if the intercooler is removed from the system.
Starting Page	589
Ending Page	594
Page Count	6
File Format	PDF
ISBN	9780791843796
DOI	10.1115/IMECE2009-13347
e-ISBN	9780791838631
Volume Number	Volume 6: Emerging Technologies: Alternative Energy Systems; Energy Systems: Analysis, Thermodynamics and Sustainability
Conference Proceedings	ASME 2009 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2009-11-13
Publisher Place	Lake Buena Vista, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Cycles Temperature Heat Gas turbines Steam Power stations Combined cycles Heat recovery Combined cycle power stations Exhaust systems
Content Type	Text
Resource Type	Article

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