Università Roma Tre

PROGRAMMA
• Introduction to Fluid Machinery and Energy Systems.
• Fundamental Units: SI Units.
• Defining Systems and their behaviour.
• The thermodynamic laws:
- First Law
- Second Law
- Case studies: preliminary analysis of hydraulic plants.
• Thermodynamic relations and diagrams.
• Combustion processes
- Introduction and basic concepts;
- Combustion at constant volume;
- Combustion at constant pressure;
- Case studies.
• Thermodynamic cycles and processes
- Ideal, limit and actual cycle;
- Direct and inverse cycles;
- Cycle performance: efficiency, coefficient of performance.
- Reference cycles: Brayton/Joule, Rankine, Hirn, Stirling, Ericsson, Beau de Rochas, Diesel, Sabathé, cycles for refrigerators and heat pumps.
- Rigeneration in thermodynamic cycles
- Combination among cycles
- Thermodynamic processes and diagrams.
- Case studies.

• Introduction to the application of fluid dynamics:
- Basic concepts.
- 1D, 2D and 3D analysis
• Basic equations: continuity, first and second thermodynamic laws, mechanical equation
• Viscosity and compressibility effects
• Mach number
• Subsonic, transonic and supersonic flows
• Normal Shocks
• Fanno and Rayleigh flows;
• Nozzles and diffusers for liquids and perfect gases (Hugoniot Equations); Actual flow behaviour in nozzles/diffusers;
• Case studies.
• Cavitation: introduction, Net Positive Suction Head (NPSH), how to select machines according to cavitation limits.

• R. D. Zucker, O. Biblarz, “Fundamentals of Gas Dynamics”, Ed. John Wiley & Sons
• Moran M., Shapiro H., Boettner D., Bailey M., FUNDAMENTALS OF ENGINEERING THERMODYNAMICS, Ed. Wiley