Turbomachinery - Applied to Hydro and Wind Power
ECTS Credits: 2
Duration: 21 h
Person(s) in charge:
Mathieu Jenny, associate professor, firstname.lastname@example.org
Keywords: Turbomachinery, pumps, turbines
Prerequisites: General mechanics, fluid mechanics, incompressible fluids, notion of pressure drop
Understand how pumps and turbines work and how to size them
Program and Contents:Give a global presentation of the different fluid machines (displacement machines and turbomachinery) used in transforming energy, with focus on hydraulic energy. We will look at : turbomachinery balancing, the description of the different machinery categories and their scopes of use, the nature of flows around the mobile and/or fixed elements of the machines, the notions of trend lines and efficiency, the causes of losses and operating limits. Finally, an introduction to wind turbines is given towards the end of the module. The course's structure is as follows :
Description and operational verbs
The different types of turbo machines : positive, negative displacement machines, pumps, turbines. Understand the way they work.
Know, understand and apply Euler's theory of momentum conservation applied to determining turbomachinery's theoretical head for incompressible perfect fluids.
Know, understand and apply the notion of energy ladder in the turbo machines for real viscous fluids. Take into account the inner head loss.
Choose and size turbo machines to fit actual given specifications. Analyse the energy balance and evaluate the possible choices in terms of energy efficiency.
Know and understand Betz's theory for wind turbines.
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