2018-2019 / MECA0467-1

Turbomachines

Duration

26h Th, 26h Pr

Number of credits

 Master in electro-mechanical engineering (120 ECTS)5 crédits 
 Master in mechanical engineering (120 ECTS)5 crédits 

Lecturer

Koen Hillewaert

Language(s) of instruction

French language

Organisation and examination

Teaching in the second semester

Schedule

Schedule online

Units courses prerequisite and corequisite

Prerequisite or corequisite units are presented within each program

Learning unit contents

  • Historical perspectives, basic equations and principles of hydraulic machines.
  • Pumps and blowers: hydraulic, manometric and theoretical heights, losses, energetic balances, characteristic curves, centrifugal and axial machines, axial thrust, similarity laws, trimming, interaction of a pump and a system, regulation.
  • Hydraulic turbines: energetic balances, Francis, Pelton, Kaplan and bulb turbines, characteristic curves, similarity laws, regulation, wind turbines.
  • Cavitation.
  • Historical perspectives, principles of compressible flow turbomachines.
  • Thermodynamics of compressible flows, similarity laws.
  • Compressors : energetic balances, part load.
  • Turbines : energetic balances, part load, partial admission, vapour with humidity, load regulation, combined production, gas turbine cooling

Learning outcomes of the learning unit

To understand how turbomachines work, how they can be used in relation to their environment.

Prerequisite knowledge and skills

Thermodynamics, fluid mechanics.

Planned learning activities and teaching methods

Two laboratory sessions (2 hours each) are organized, devoted to the test of a centrifugal, a Pelton turbine, a gas turbine, the acquisition and analysis of pressure, flow, torque measurements, and the assessment of the
performances of those machines.

Mode of delivery (face-to-face ; distance-learning)

This course is organized throughout the academic year, by 2 hour sessions, at a rate of about 30 hours of theory and 20 hours of exercises.

Recommended or required readings

Course notes are available, as well as a collection of solved exercises.

Assessment methods and criteria

An oral examination on the theory and a written examination on the exercises are organized in January (hydraulic part) and in June (compressible part).

Work placement(s)

Organizational remarks

Contacts

Teacher : Olivier Léonard, Tél. 04/366 91 87, e-mail O.Leonard@ulg.ac.be
Assistant : Vincent Kelner, Tél. 04/366 91 74, e-mail V.Kelner@ulg.ac.be