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Gas Turbine Thermodynamic and Performance Analysis Methods Using Available Catalog Data
University of Gävle, Faculty of Engineering and Sustainable Development, Department of Building, Energy and Environmental Engineering.
2013 (English)Independent thesis Advanced level (degree of Master (Two Years)), 80 credits / 120 HE creditsStudent thesis
Abstract [en]

The overall performance of an open gas turbine can be judged with the knowledge of the main design parameters, but this is quite challenging due to the limited data available from the manufacturer. The turbine manufacturers usually provide data about the turbine interface. However, the data (or information) required to analyze the thermodynamic quality of the gas turbine remains hidden. A theoretical model was developed to evaluate the thermodynamic performance of an open gas turbine (with one combustor) by using available catalog data. Realistic values (from experience) were assumed for the compressor polytropic efficiency, mechanical efficiency, electrical efficiency and pressure drops of the gas turbine. The Engineering Equation Solver (EES) tool has been used for implementing the theoretical model. The published catalog data from the manufacturers is kept as main inputs for the modeled program. The model calculates (or predicts) values for the unknowns i.e. temperature, isentropic and polytropic efficiencies of the individual components (inside the gas turbine), power output and some emission related parameters. The developed program is aimed to be used in the learning lab at the KTH energy department while being a part of the CompEdu learning platform. This program should provide students a possibility to fully analyze the performance of the open gas turbine cycle while judging consistency of gas turbine cycle data sets and completing incomplete gas turbine datasets.

Place, publisher, year, edition, pages
2013. , 101 p.
National Category
Energy Engineering
URN: urn:nbn:se:hig:diva-17474OAI: diva2:744746
Subject / course
Energy systems
Available from: 2014-12-12 Created: 2014-09-08 Last updated: 2014-12-12Bibliographically approved

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Pathirathna, Kuruppulage Asela Buddhika
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Department of Building, Energy and Environmental Engineering
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