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Politecnico di Torino
Academic Year 2009/10
06DAIDR
Integrated Project
1st degree and Bachelor-level of the Bologna process in Mechanical Engineering - Vercelli
Teacher Status SSD Les Ex Lab Tut Years teaching
Griva Giovanni Battista ORARIO RICEVIMENTO AC ING-IND/32 20 0 30 0 1
SSD CFU Activities Area context
ING-IND/10
ING-IND/14
ING-IND/16
ING-IND/17
ING-IND/22
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Objectives of the course
The aim of the course is to understand and analyse the design procedure of a powertrain for the propulsion of different typologies of vehicle (scooter, small car, small yacht, intercity aircraft) based on a fuel cell primary generator fed by hydrogen stored on board. The course will consider the theoretical description of some topics (fuel cells, hydrogen storage, etc.) and the practical design of the specific components and of the compete powertrain; moreover, the components have to be individuate and chosen from the catalogues of the production companies. The course needs fundamentals of Physics, Chemistry and Thermodynamics.
Expected skills
General skills on design, simulation and analysis of an integrated energy system. Specific skills on design, simulation and analysis of fuel cells, air compressors, hydrogen storage devices.
Prerequisites
Fundamentals of Physics, Chemistry and Thermodynamics.
Syllabus
Schematic of the hydrogen-fed powertrain (fuel cell stack with auxiliaries, air compressor, hydrogen storage on board, support batteries, electric motor). Fuel cell stack: polarization curve; electric power; reactant consumption; energy balance in terms of resources (hydrogen, air, cooling water, etc) and products (electric and thermal power); design of the stack (surface; number of cells in series, etc.); analysis and design of the stack auxiliaries (cooling system and reactant supply system). Analysis and design of the air compressor. Analysis and design of the hydrogen storage system on board. Short account on batteries and transistors for DC/DC and DC/AC converters, and design of the battery pack. Short account on electric motors and design of the electric motor on board. Analysis of the energy requests of the vehicles. Design of the whole powertrain and of the single components. Control of the operation of the powertrain. Energy analysis of the system on a typical operation cycle of the vehicle. Research and choice of the real suitable components from the catalogues of the production companies.
Laboratories and/or exercises
Design of the powertrain. Design of the single components. Research and choice of the real suitable components from the catalogues of the production companies. Development of a simulation program of the powertrain, and analysis of its operation.
Bibliography
Reports supplied by the lecturer.

Larminie J, Dicks A. Fuel Cell Systems Explained. Chirchester (UK): John Wiley & Sons Ltd editor. 2000.
Revisions / Exam
The students are organised in groups. Every group has to produce a report concerning the design and the simulation activity. The report has to be presented through a public speech of 20 minutes for every speaker. Finally, every student has to answer to some questions concerning the theory discussed in the course.

Programma definitivo per l'A.A.2009/10
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