28658 - Energy Machines and Systems T-1

Course contents

Primary energy sources

Potentiality, conversion systems and applications of solar, geothermic, hydroelectric, wind, wave tidal and nuclear energy.

Thermodynamic basics

Ideal gas compression and expansion: isentropic and polytropic work and efficiency, total enthalpy and temperature, speed of sound, polytropic transformations and thermodynamics diagrams.

Heat exchanger

Counter-flow, parallel-flow and cross-flow heat exchangers. main design aspects.

Averaged mean logarithmic and effectiveness-NTU methods.

Boiler and steam generator

Combustion: stoichiometric oxidation reactions, heating values, energy density, CO2 emission, adiabatic temperature.

Typologies and applications, steam generator efficiency and water circulations.

Gas Turbine

Thermodynamic analysis and applications of Brayton and Advance cycles (recuperated, intercooled, reheated, etc.)

Component description: compressors, combustion chamber, expander, etc.

Environmental impact

Steam power plant

Thermodynamic analysis of steam cycles (Rankine, Hirn, re-heated and regenerative ones).

Component description: steam generator, condenser, steam turbine, cooling systems, etc.

Environmental impact

Combined cycle power plant

Thermodynamic analysis of combined cycles with one or more pressure levels

Component description: heat recovery steam generator, condenser, steam turbine, cooling systems, etc.

Environmental impact

Cogeneration: Combined heat and power

Thermodynamics of CHP plants, comparative thermodynamic performance, economic assessment

Performance criteria for CHP plants

CHP applications and examples.

Copyright2006[build.533 del 28/06/2010]

Office hours

See the website of Michele Bianchi

See the website of Nicolò Cavina