Full exam for Power Production from Renewable Energy in the Energy Engineering degree programme at Politecnico di Milano. The document covers: POWER PRODUCTION FROM RENEWABLE ENERGY AY 2023-24 15th January 2025 Prof. Andrea Giostri Time: 1.5 hours NAME and SURNAME:.................................................................................................................................................. COURSE and
Full exam for Power Production from Renewable Energy in the Energy Engineering degree programme at Politecnico di Milano. The document covers: POWER PRODUCTION FROM RENEWABLE ENERGY AY 2023-24 15th January 2025 Prof. Andrea Giostri Time: 1.5 hours NAME and SURNAME:.................................................................................................................................................. COURSE and
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POWER PRODUCTION FROM RENEWABLE ENERGY AY 2023-24 15th January 2025 Prof. Andrea Giostri Time: 1.5 hours NAME and SURNAME:.................................................................................................................................................. COURSE and CFU:......................................................................................................................................................... Instructions for the examination: 1) Clearly indicate your name on all the sheets you will deliver. 2) The score refers to exercises done in a comprehensive manner with exact numerical results. Numerical results correct but not accompanied by explanations will not be taken into account. The final score can be normalized according to the average results. 3) Answer briefly and clearly only to the asked questions. Calculations and explanations which do not respond to the questions will not be considered for evaluation even if correct. 4) Talking with colleagues and / or cheating will cause the cancellation of the exam. 5) All the needed data for the resolution of exercises lies on this paper. It is NOT ALLOWED to use material other than this (e.g. books, clipboard etc.). Exercise 1 (15 points) (Energy Engineering and Management Engineering (8 CFU)) Consider a liquid-dominated geothermal source under the following conditions: temperature of 210 °C, enthalpy of 897.8 kJ/kg, flow rate of 285 t/h (density of 852.8 kg/m³). Consider a single-flash direct geothermal plant condensed by a cooling tower, with a condensation pressure of 0.07 bar, equipped with a steam flash at 2.1 bar. (i) Draw the plant diagram, considering that a cogenerative heat exchanger is fed by the flow of liquid separated from the flash chamber, with an outlet temperature of…
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