Coursecode: wb4420
Coursename: Gas Turbines

DUT creditpoints: 2
ECTS creditpoints: 3

Subfaculty of Mechanical Engineering and Marine Technology
Lecturer(s): Buijtenen, prof.ir. J.P. van Tel.: 015-2782179
Catalog data:
Gas turbines, Brayton-cycle, closed cycle, intercooling, regeneration, blade cooling, compressor, turbine, combustion, emissions
Courseyear: 4
Semester: 2/2/0/0
Hours p/w: 2
Other hours: 0
Assessment: Written
Assessm.period(s): 2, 3
(see academic calendar)
Prerequisites: wb1224, wb4304
Follow up: wb4421
Detailed description of topics:
  • Introduction: historic development of the gas turbine and the gas turbine industry. Applications and comparison of the performance of aircraft engines and stationary gas turbines.
  • The ideal cycle and the effect of compressor pressure ratio, inlet pressure and turbine inlet temperature on the performance.
  • Real cycle calulations, various cycles.
  • Optimising engine design parameters for cogeneration and combined-cycle applications.
  • Aircraft engines, thrust calculations.
  • Combustion, fuels, atomisation, emissions and new concepts.
  • Compressors and turbines: aerodynamic design and mechanical construction.
  • Gas turbine characteristics: component characteristics, stall, surge, choking.
Course material:
C.J.Houtman, W.P. Visser: Gasturbines, 1999 (reader)
References from literature:
Cohen, H., Rogers, G.F.C., Saravannamuttoo, H.I.H., Gas Turbine Theory, 4th ed., Longman, London, 1996. ISBN 0-582-23632-0.
Remarks: closed book examination with equation forms available
Goals:
This course is designed to provide the students with a knowledge of the design of gas turbine engines, the design of the cycle as well as the design of the components (the rotating parts and the combustion system).
Computer use:
Laboratory project(s): Demonstration of a small two-shaft gas turbine: start-up, power range, measuremens.
Design content:
Most of the course deals with design aspects with respect to cycle and components.
Percentage of design: 25%