ITA | ENG
B020727 - TURBOMACHINERY (6 CFU)
Main information
Teaching Language
Suggested readings
Learning Objectives
Teaching Methods
Further information
Type of Assessment
Course program
Academic Year 2014-15
Coorte 2013 - Second Cycle Degree in Energy Engineering
Course year
Second year - Second Semester
Belonging Department
Industrial Engineering (DIEF)
Course Type
Single education field course
Scientific Area
ING-IND/08 - FLUID MACHINERY
Credits
6
Teaching Hours
48
Teaching Term
02/03/2015 ⇒ 19/06/2015
Attendance required
No
Type of Evaluation
Final Grade
Course program
show
Lectureship
Mutuality
Course teached as:
B010596 - TURBOMACCHINE
Second Cycle Degree in ENERGY ENGINEERING
B010596 - TURBOMACCHINE
Second Cycle Degree in ENERGY ENGINEERING
Teaching Language
italian
Suggested readings (Search our library's catalogue)
lecture notes
Learning Objectives
Provide the basics for the understanding of the operation and of the
aerodynamic design of turbomachineries with particular emphasis on industrial
and aeronautical gas turbines.
aerodynamic design of turbomachineries with particular emphasis on industrial
and aeronautical gas turbines.
Teaching Methods
Lectures with the aid of notes provided by the teacher.
Further information
Visit the official website, access is restricted, ask information to the
teacher: http://arnone.de.unifi.it/tgroup/academics
teacher: http://arnone.de.unifi.it/tgroup/academics
Type of Assessment
oral examination
Course program
COMPRESSORS:
- basic theory, velocity triangles and energy balance.
- blade topology, cascade flowfield, boundary layer and diffusion.
- Through flow and 3D effects.
- off design conditions
- axial flow compressors blades
- centrifugal compressors blades
- stall and choke
PUMPS:
- details of running characteristic.
- pumps topology (impeller, diffuser and volute).
- cavitation and NPSH.
- pump design and sizing.
TURBINE:
- basic theory.
- cascade flowfield, profile losses, transonic stages.
- Through flow and 3D effects.
- Axial turbine blades.
- Stage analysis.
AEROELASTICITY
- aeroelastic phenomena and their causes, experimental and computational aeroelastic analysis
- inter-blade phase angle and nodal diameters, real and complex modes
- forced vibration design and flutter design
AEROACOUSTICS
- acoustic waves, noise typologies and their sources, acoustic quantities
- duct acoustics, experimental and computational aeroacoustic analysis, cut-on and cut-off waves
- aeroacoustic design and noise reduction techniques
SECONDARY AIR SYSTEM (SAS)
- introduction to the SAS
- basic theory
- SAS design
- numerical analysis of the SAS
- estimation of the ingestion level of a gas turbine stator-rotor system
- basic theory, velocity triangles and energy balance.
- blade topology, cascade flowfield, boundary layer and diffusion.
- Through flow and 3D effects.
- off design conditions
- axial flow compressors blades
- centrifugal compressors blades
- stall and choke
PUMPS:
- details of running characteristic.
- pumps topology (impeller, diffuser and volute).
- cavitation and NPSH.
- pump design and sizing.
TURBINE:
- basic theory.
- cascade flowfield, profile losses, transonic stages.
- Through flow and 3D effects.
- Axial turbine blades.
- Stage analysis.
AEROELASTICITY
- aeroelastic phenomena and their causes, experimental and computational aeroelastic analysis
- inter-blade phase angle and nodal diameters, real and complex modes
- forced vibration design and flutter design
AEROACOUSTICS
- acoustic waves, noise typologies and their sources, acoustic quantities
- duct acoustics, experimental and computational aeroacoustic analysis, cut-on and cut-off waves
- aeroacoustic design and noise reduction techniques
SECONDARY AIR SYSTEM (SAS)
- introduction to the SAS
- basic theory
- SAS design
- numerical analysis of the SAS
- estimation of the ingestion level of a gas turbine stator-rotor system