Duration
26h Th, 26h Pr, 60h Proj.
Number of credits
Lecturer
Language(s) of instruction
English language
Organisation and examination
Teaching in the first semester, review in January
Schedule
Units courses prerequisite and corequisite
Prerequisite or corequisite units are presented within each program
Learning unit contents
Theory
- Use and classification of turbomachinery
- Derivation of the general equations, basic principles, control volumes, energy transfer and irreversibilities, absolute and relative frames, Euler equation of turbomachinery
- Thermodynamic performances, efficiencies, operating maps and similarity
- Quasi-3D design and analysis method for axial machines: decomposition in blade-to-blade stream surface and meridional plane, velocity triangles, cascade flows; pitch line design and analysis procedure
- Meridional flows: radial equilibrium, design choices, extension of the design and analysis procedure.
- Flow in the blade-to-blade plane and blade design;
- Secondary and leakage flows; operation at off-design; instabilities
- Specific aerodynamic simulation techniques for turbomachinery
- Recent trends in propulsion and jet engines, and their impact on components and design
- Pre-design of an axial machine
- estimation of the operating curves of the aforementioned machine
- CFD analysis of a turbomachinery passage and analysis of secondary flow
Learning outcomes of the learning unit
To understand the physics of the flow in turbomachines.
To understand the methods used for aerodynamic design of turbomachines.
This course contributes to the learning outcomes I.1, I.2, II.1, II.2, II.3, III.1, III.2, IV.1, IV.3, VI.1, VII.4 of the MSc in aerospace engineering.
This course contributes to the learning outcomes I.1, I.2, II.1, II.2, II.3, III.1, III.2, IV.1, IV.3, VI.1, VII.4 of the MSc in energy engineering
Prerequisite knowledge and skills
Thermodynamics, mechanics, and fluid dynamics
Planned learning activities and teaching methods
A number of assignments are given along the course, consisting of the preliminary design of a multistage compressor or turbine, the analysis of the off-design performance using quasi-1D methods; CFD analysis of passages
Mode of delivery (face to face, distance learning, hybrid learning)
Face-to-face course
Additional information:
12 sessions of 4 hours each are organized during the first part of the academic year.
Course materials and recommended or required readings
Course notes are available online. These notes are regularly updated and distributed via the e-campus page of the course, which also hosts the virtual class room and fora for questions etc. Further material is referenced in the course, and will be proposed to the students in function of their interests.
Exam(s) in session
Any session
- In-person
oral exam
Written work / report
Additional information:
The course is evaluated on the basis of the project results, which are discussed in an oral exam.
Work placement(s)
Organisational remarks and main changes to the course
Contacts
Teacher : Koen Hillewaert, koen.hillewaert@uliege.be