Portale di Ateneo - En.Unibs.it

1. Foundations of Thermodynamics
First Law. Energy: additivity, energy transfer, conservation of energy, balance equation. Second Law. Adiabatic availability. Reservoirs and available energy with respect to a reservoir. Entropy: additivity, entropy transfer, generation by irreversibility, balance equation. Energy vs entropy diagram. Modes of interaction among systems: work, heat and bulk flow interactions. Stable equilibium states and state principle. Temperature and pressure. Simple systems. Homogeneous and heterogeneous states, phases, Gibbs phase rule. Two-phase states. T-s, h-s, p-v, T-p diagrams. Ideal gas behavior and perfect gas. Ideal incompressible behavior and perfect incompressible liquid or solid.

2. Engineering Thermodynamics
Bulk flow interactions. Mass, energy and entropy balance for open systems. Application of balance equations to conversion devices: pumps, compressors, turbines, heat exchangers, throttles and valves. Introduction to energy-conversione systems: Rankine, Joule-Brayton, reversed Rankine cycles. Thermodynamics efficiency and exergy analysis of energy conversion devices and systems. Cogeneration. Cost allocation of energy consumption in cogeneration plants. Moist air, humidification, dehumidification, air-conditioning.

3. Heat transfer
Heat conduction. Fourier's Law. Heat conduction equation. Initial and boundary conditions. Example of solutions in simple geometries (walls, hollow cylinders). Unsteady conduction.
Radiation. Blackbody radiation, Planck's Law, Stefan-Boltzmann's Law. Emissivity, gray surface. Radiation exchange among gray surfaces, view factors, radiation shields.
Convection. Dimensional analysis and Buckingham theorem. Reynolds, Nusselt and Grashof numbers. Forced convection in internal and external flows. Free convection.