Summer Term

Lecturer: Dr.-Ing Christian Helcig

Assistence: Patrick Bachmann & Philippe Bieli

Target Group:

• Students of aerospace in mechanical engineering with basic knowledge in the field of fluid machinery or flight propulsion.

Allgemeine Angaben:

• Bachelor module with 5 ECTS
• Lecturer (2 SWS) during summer term
• Exercise (1 SWS) during summer term
• Repetitory (by arrangement)

Content:

• Chapter 1 (Introduction): Concept of flying, what is a turbojet engine? , working principles of turbomachines
• Chapter 2 (Thermodynamic basics): Ideal Joule-Brayton-Cycle, basics of h-s-diagram
• Chapter 3 (Major aero engine components): Main engine components (inlet, fan, compressor, shafts, combustion chamber, turbine, nozzle)
• Chapter 4 (Velocity vector diagrams): Basic principle of velocity triangles, derivation of the Euler equation, h-s-diagram of turbomachinery stages
• Chapter 5 (Rotational mechanism): Rotors, stationary parts
• Chapter 6 (Special systems, aspects and challenges): Engine placement, multidisciplinary design procedure, how to start an engine?, bypass flow, secondary air systems, fuel system, thrust, materials
• Chapter 7 (Engine Performance): Compressor and turbine performance maps, engine performance limits
• Chapter 8 (Jet propulsion systems): Turbojet systems, turbofan systems, ramjet systems, scramjet systems, rocket engine systems, thrust calculation
• Chapter 9 (Propeller propulsion systems): Piston engine systems, turboprop systems, turboshaft systems, propeller thrust calculation
• Chapter 10 (Future propulsion systems): Sustainable fuels, electric engines, new gasturbine-cycle-based concepts, the wet engine concept

Contact: vl-aps.ltf(at)ed.tum.de

Current information and dates can be found in TUMOnline.