The course deals with the fundamentals of positive displacement and dynamic fluid machines in order to analyse their functional behaviour and evaluate the key performance aspects.
The aim of the course is to provide the student a basic knowledge of positive displacement and dynamic fluid machines with reference to their functional behaviour and performance characteristics.
At the end of the course the student should achieve a basic knowledge about the operation of positive displacement and dynamic fluid machines and be able to evaluate the main performance aspects.
It is required that the student has acquired sufficient knowledge of the basic aspects related to applied thermodynamics and fluid mechanics.
The course is organized in lectures and exercises.
Classification of fluid machines. The energy equation and the expression of work. Conversion efficiency in fluid machinery. Work exchange in the positive displacement fluid machines .
Historical overview and fields of application. Basic knowledge on ICE: classification, components and nomenclature, main operational parameters. Ideal and real operation of 2 and 4 stroke engines. Indicated diagrams, indicated and brake mean effective pressure, engine power correlations. Reference thermodynamic cycles for spark ignition (SI) and diesel engines. Regular and abnormal combustion processes in ICE. Part load operation of SI and diesel engines. ICE performance curves. Supercharging and turbocharging: basic plants design, application fields, operational issues, thermodynamic cycles, compressor and turbine power. ICE pollutant emissions: influence of combustion process and operational engine parameters on exhaust emissions, emission control systems and aftertreatment devices for SI and diesel engines.
Reciprocating displacement compressors: operating principle, constructive characteristics, ideal and real working cycle, flow rate control systems. Rotary displacement compressors: vane, lobe, liquid ring, screw compressors. Volumetric pumps: alternative and rotary machines, working principle, construction types. Characteristic curves. Fluid machine-circuit matching.
Ricevimento: Meetings with the students by appointment (please send an e-mail to massimo.capobianco@unige.it).
Ricevimento: Meetings with the students by appointment. Please send a request by e-mail at the address pietro.zunino@unige.it
MASSIMO CAPOBIANCO (President)
PIETRO ZUNINO (President)
DARIO BARSI
SILVIA MARELLI
LUCA RATTO
VITTORIO USAI
GIORGIO ZAMBONI
According to the calendar published by the Polytechnic School.
FLUID MACHINERY
Oral exam on the topics presented during the lessons and exercises.
Energy Systems course contents.
Basic knowledge of thermodynamics and fluid mechanics.
