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| Version 2013-2014 |
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| MECA0467-1 | Turbomachines
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| Duration : | 30h Th, 30h Pr |
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| Number of credits : |
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| Lecturer : | Olivier Léonard |
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Language(s) of instruction :
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| French language |
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Course contents :
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- 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
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Learning outcomes of the course :
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| To understand how turbomachines work, how they can be used in relation to their environment. |
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Prerequisites and co-requisites/ Recommended optional programme components :
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| Thermodynamics, fluid mechanics. |
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Planned learning activities and teaching methods :
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| 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. |
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Mode of delivery (face-to-face ; distance-learning) :
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| 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. |
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Recommended or required readings :
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| Course notes are available, as well as a collection of solved exercises. |
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Assessment methods and criteria :
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| An oral examination on the theory and a written examination on the exercises are organized in January (hydraulic part) and in June (compressible part). |
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Work placement(s) :
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Organizational remarks :
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Contacts :
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| 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 |
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