Energy Engineering - Advanced Thermodynamics and Thermoeconomics

Full exam

Department of Energy Politecnico di Milano Author Emanuela Colombo Pag.1 of 1 Date 29/08/2022 Milan, 9 th June 2022 Exam –Thermoeconomics and Energy Modelling 13-06-2022 Total score: 6 points (roughly equally divided between the two questions) Question 1. In a small country, the power production is given in TES (EJ) by the International Energy Agency (IEA) Power production given by IEA as TES IEA BP Fossil Fuel 500 ? Hydro 200 ? Solar/Wind 300 ? Charcoal/Firewood 50 ? Nuclear 100 ? If you were to calculate the TES for the same country with the British Petroleum convention, what do you expect to find? Please reply to EACH one of the questions below 1. Do you expect to have a greater share of Res? Why? 2. What is the expected number for Charcoal and Firewood? 3. How do you expect nuclear will change? Question 2. Write and explain the analytical expression of Chemical Exergy for a gaseous mixture of Methane and air. Please derive analytically the different contributions and explain their meaning. Properly refer to the appropriate REVERSIBLE DEVICES to detail the sequence of processes that are needed to extract available work from the gaseous mixture.