Gas and Steam Turbines

COURSE CONTENT

Basic engine types, operating principles, plants, components and operation characteristics. Ideal cycles, Brayton cycle-variants, improvements, shaft power and propulsion cycle analysis and calculations, turboprop, turbofan, turbojet, scramjet, turborocket, thrust augmentation, jet noise suppression. Analysis of turbomachines, flow equations within passages, the Euler equation, velocity triangles, compressibility, nozzles, non-dimensional quantities, efficiencies. Axial compressors and turbines mean pitch line analysis, empirical theories, blade design, degree of reaction, vortex theory, three-dimensional flow, calculation of stage performance, the cooled turbine, centrifugal compressors. Combustion chamber systems, flow and fuel configurations, the combustion process, basic sizing and initial design, cooling flow arrangements, pattern factor estimation, practical aspects. Component performance characteristics, prediction of performance, off-design operation, the gas generator, part-load operation and component matching procedures, issues on unstable operation, performance maps, initial sizing and design of a current production turbofan engine.

LEARNING OUTCOMES

The learning outcomes expected by the end of the course for the students are:

• Apply basic fluid mechanic and thermodynamic principles to understand how gas turbine engines operate.
• Develop ability to analyze and predict the cycle performance of gas turbine engines.
• Learn the components of gas turbine engines and their purpose. Understand how the performance of individual components contributes to the overall performance of the engine.
• Learn how to analyze and predict the performance of individual gas turbine engine components
• Develop skills in applying knowledge of gas turbine engine principles in designing components or systems used in process engineering, transport and the power generation industry.