Energy Systems – Politecnico di Milano

Argomenti del programma: Heat Exchangers and Cooling Towers Heat transfer on finned surfaces. Types of heat exchangers and global heat transfer coefficients. Sizing and performance verification of heat exchangers. Log-mean temperature difference and the ε-NTU method. Properties of humid air and use of psychrometric charts. Definitions of characteristic temperatures. Mass and heat transfer between air and water flows.

Argomenti del programma: Energy scenario : Overview of world energy demand, production, expected evolution, environmental constraints. Overview of technologies for electricity production : power generation from fossil fuels (steam power plants, gas turbines, combined cycles) and nuclear; power generation from renewables (solar, wind, hydro, geothermal, biomass); energy storage (pumped hydro, batteries, water electrolysis, power-to-X).

Argomenti del programma: Heat Exchangers and Cooling Towers Heat transfer on finned surfaces. Types of heat exchangers and global heat transfer coefficients. Sizing and performance verification of heat exchangers. Log-mean temperature difference and the ε-NTU method. Properties of humid air and use of psychrometric charts. Definitions of characteristic temperatures. Mass and heat transfer between air and water flows.