The course presents the current situation related to energy generation plants (traditional and innovative) with special attention to pollutant emission decrease and conversion efficiency increase
48 hours of lectures, laboratory and numerical practices
Combustion and pollutants formation processes
Conventional fuels and their specifications. Air required for combustion, air-fuel ratio and fuel heating value. General aspects and classifications of combustion processes. Pollutants formation processes and their effects on human health and environment.
Boilers and steam generators: fundamentals and components
Historical hints. Boiler classification and components. Thermal balance and heat transfer in boilers. Innovative concepts: boiler Once-Through and super-critical. Example of steam locomotive.
Combined cycles and cogeneration
Combined gas and steam cycles. Heat recovery steam generator. High efficiency cogeneration and district heating. Biomass boilers for district heating.
Pollutant emissions and abatement technologies in energy systems
Pollutant types, properties and measurement units. Pollutant prevention techniques applied to gas turbine combustors. SOx abatement systems. NOx abatement systems.
Modelling and simulation of energy systems
Lumped-parameter and modular simulation models. Numerical analysis of energy systems. Practical exercise with WTEMP software.
Wind energy
Horizontal and vertical axis wind generators. Wind assessment, wind park energy production estimation. Environmental impact of wind mills.
Internal combustion engines (ICE)
ICE classifications and applications. Indicated diagrams, indicated and brake mean effective pressure. Engine power correlations. Combustion processes in spark ignition and compression ignition engines. Constant speed and constant load curves, engine performance maps. ICE supercharging and turbocharging. ICE generator sets. Heat recovery in Diesel engines. Cogeneration plants based on biogas fuelled ICE. Use of bioethanol and biodiesel in ICE: operational issues, influence on performance and emissions. Environmental impact of internal combustion engines.
Program copy and information on references are provided by Professors.
Course educational notes are available on aulaweb.
S.L. Dixon, Fluid Mechanics and Thermodynamics of Turbomachinery – Elsevier.
G. Lozza - Turbine a gas e cicli combinati - Progetto Leonardo
S. Kakac, Boilers Evaporators, and Condensers, John Wiley & Sons Inc., 1991.
A. H. Lefebvre - Gas Turbine Combustion - Hemisphere.
O. Acton, C. Caputo, Introduzione allo Studio delle Macchine, UTET, Torino, 1979.
O. Acton, C. Caputo, Turbomacchine, UTET, Torino, 1986.
O. Acton, C. Caputo, Impianti motori, UTET, Torino, 1992.
G. Cornetti, F. Millo, Macchine Termiche, Il Capitello, 2006.
G. Ferrari, Motori a combustione interna, Il Capitello, 2008.
Ricevimento: The teacher receives by appointment (please send an e-mail to giorgio.zamboni@unige.it)
Ricevimento: To fix office hours for topic review or for asking information please send an e-mail to mario.ferrari@unige.it. In case of requests related to an exam, it is necessary to contact the teacher at least 4 days before.
GIORGIO ZAMBONI (President)
ALICE LA FATA
MASSIMO RIVAROLO
ALESSANDRO SORCE
ALBERTO TRAVERSO
MARIO LUIGI FERRARI (President Substitute)
RENATO PROCOPIO (President Substitute)
20 February 2017 (2nd semester), to be confirmed according to unit timetable
Oral examination
Pre-requisites :
None
