Catalogo dei Corsi di studio

Heat transfer

Basic modes of heat transfer. Thermal conduction. Fourier’s law. Heat transfer through a plane wall. Heat transfer in cylindrical and spherical walls. Thermal transmittance of walls. Convective heat transfer. Boundary layer and local heat transfer coefficient. Dimensionless correlations. Radiative heat transfer. Black-body laws. Factors view. Radiative heat transfer between planar surfaces. Complex heat transfer problems: modelling single-phase heat-exchangers; enhancement of heat transfer rate from finned surfaces. 

Thermodynamnics

Thermal equilibrium. Temperature concept and ideal gas temperature. Equation of state of an ideal gas: Boyle, Gay-Lussac, Avogadro laws. Internal energy of an ideal gas. Thermodynamical equilibrium. PV diagram. Work and heat for an ideal process. Fist law of thermodynamics for a control volume. The concept of enthalpy. Applications of the energy balance for an open system. The second law of thermodynamics. The concept of entropy. Carnot cycle. TS diagram. PVT surface of a pure substance. Clausius-Clapeyron equation. Heterogeneous systems: phase rule. Vapor power systems. The Rankine cycle: system model and thermal efficiency. Gas power systems: air-standard Otto cycle and air-standard Diesel cycle. Gas turbine power systems: Brayton-Joule cycle. Improving performance of the vapor and gas cycles. Reversed Carnot cycle: vapor refrigeration systems.

Heat transfer

Basic modes of heat transfer. Thermal conduction. Fourier’s law. Heat transfer through a plane wall. Heat transfer in cylindrical and spherical walls. Thermal transmittance of walls. Convective heat transfer. Boundary layer and local heat transfer coefficient. Dimensionless correlations. Radiative heat transfer. Black-body laws. Factors view. Radiative heat transfer between planar surfaces. Complex heat transfer problems: modelling single-phase heat-exchangers; enhancement of heat transfer rate from finned surfaces.