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Politecnico di Torino
Academic Year 2015/16
01OFVLI, 01OFVLN
Thermal Machines
1st degree and Bachelor-level of the Bologna process in Automotive Engineering - Torino
Teacher Status SSD Les Ex Lab Tut Years teaching
Baratta Mirko ORARIO RICEVIMENTO A2 ING-IND/08 59 0 21 0 8
SSD CFU Activities Area context
ING-IND/08 8 B - Caratterizzanti Ingegneria energetica
Subject fundamentals
The module aims at supplying the fundamentals of fluid-flow machines, with specific reference to constructive aspects, principles of operation, evaluation of performance and off-design operations of both the single fluid-flow machine and the energy system in which it is inserted.
Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
Expected learning outcomes
Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
Prerequisites / Assumed knowledge
Knowledge of the fundamentals of thermodynamics, heat transfer and chemistry. Knowledge of the principles of applied mechanics and of fluidmechanics.
Contents
•Introduction to Fluid Machines. Thermodynamics and Fluid-Dynamics applied to fluid machines. Velocity diagrams, Euler work equation.
•1D theory of compressible flows: Nozzles and diffusers. Design of a nozzle, off-design performance.
•1-D analysis of axial-flow turbine stages. Notice on radial-flow and mixed-flow turbines.
•Thermodynamic analysis of a compression process.
•1-D analysis of axial-flow and centrifugal turbocompressors.
•Dynamic similitude. Performance characteristics of compressors and turbines.
•Control of turbocompressors.
•Fundamentals of combustion thermodynamics.
•Steam power plants. Cogeneration steam plants.
•Gas turbine and combined-cycle power plants.
•Control of power plants.
•Internal combustion engines.
Delivery modes
The applied lectures consist in solving exercises and practical problems by applying the concepts covered in the lessons. The aim of this training is to give the students the order of magnitude of the main parameters and to improve their degree of understanding.
Texts, readings, handouts and other learning resources
•M.J. Moran, H.N. Shapiro, "Fundamentals of Engineering Thermodynamics", 5th ed., John Wiley & Sons.
•S.L. Dixon, C.A. Hall, "Fluid Mechanics and Thermodynamics of Turbomachinery", 6th ed., Butterworth-Heinemann, Elsevier.
•S.A. Korpela, "Principles of Turbomachinery", 1st ed., John Wiley & Sons
•Lecture Slides.
•Solution of the applied lectures.

Required material
Mollier diagram for steam ("Diagramma entalpico per il vapor d’acqua"), CLUT Eds. To be procured by the student.
Saturation lines tables for steam. Provided by the teacher.
Assessment and grading criteria
The exam booking on the web portal, within the deadline, is mandatory.
The exam is made up of a written part and of a oral part. The final mark is a weighted average of the written part and oral part marks, the weights being 2/3 and 1/3, respectively.

In order to be admitted to the oral, each candidate needs at least a mark of 15/30 from the written test. Both exam parts have to be taken within the same call.

Programma definitivo per l'A.A.2015/16
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