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Geothermal Energy

01RXCND

A.A. 2019/20

Course Language

Inglese

Course degree

Master of science-level of the Bologna process in Ingegneria Energetica E Nucleare - Torino

Course structure
Teaching Hours
Lezioni 45
Esercitazioni in aula 15
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Lo Russo Stefano Professore Ordinario GEO/05 30 0 0 0 4
Teaching assistant
Espandi

Context
SSD CFU Activities Area context
GEO/05 6 D - A scelta dello studente A scelta dello studente
2019/20
In the field of renewable energies, the course is devoted to the geothermal resources. The program will highlight the origin and dynamics of geothermal resources and fluids and the main exploration and exploitation technologies aimed to their use. It will consider both high and low enthalpy systems in terms of origin, behavior, potential and real uses, environmental and economic benefits and impacts.
In the field of renewable energies, the course explores the geothermal resources. The program examines the origin and dynamics of fluids and geothermal resources and the main exploration and exploitation technologies. After a general introduction, both low and high enthalpy systems are considered with particular regard to the description of the technologies and the definition of their potential
At the end of the course students should know the main principles related to high and low enthalpy geothermal energy systems, the main techniques of the geothermal exploration and the technologies for their exploitation in several environmental, territorial and geological contexts. Through practical exercises and field trips students will be involved in the processes of resources estimation and in the design and sizing of the geothermal plants.
At the end of the course students should know the main principles related to low and high enthalpy geothermal energy systems, the main techniques of the geothermal exploration and the technologies for their exploitation in several environmental, territorial and geological contexts. Through practical exercises and field trips students will be involved in the processes of resources estimation and in the design and sizing of the geothermal plants.
Intermediate knowledge of the main natural physical phenomena, fundamental of math and fundamental bases of energy plants.
Intermediate knowledge of the main natural physical phenomena, fundamentals of mathematics and thermal plants
INTRODUCTION TO GEOTHERMAL ENERGY Fundamentals of geology, the structure of the Earth, origin of geothermal resources, geothermal gradient and geothermal anomalies, the thermal properties of the ground, field methods to assess ground thermal properties. Geothermal exploration techniques. FUNDAMENTALS OF HYDROGEOLOGY Introduction to groundwater and hydrodynamics in porous media. Water wells and wells design. Unsaturated zone and aquifers properties. Heat propagation in the aquifers. LOW ENTHALPY GEOTHERMAL SYSTEM Open-loop geothermal systems. Closed-loop geothermal systems. Thermal Response Test, Heat pumps and plants. Legal, technical and economic elements. Sustainability and assessment of resources. Environmental impact and implementation with particular focus on urban areas. HIGH ENTHALPY GEOTHERMAL SYSTEM Geothermal reservoirs (water and vapour dominated geothermal systems, hot dry rock systems). Deep geothermal exploration techniques. Uses of high enthalpy geothermal systems. Estimation, sustainability and environmental impact. Economic highlights in the energy world market.
INTRODUCTION TO GEOTHERMAL ENERGY The Earth system, Earth internal structure, Continental drift, Plate tectonics: plate boundaries and tectonic mechanism, Heat transport mechanisms, Geothermal gradient and the heat flux. FUNDAMENTALS OF HYDROGEOLOGY The Hydrologic cycle, Aquifer definitions and properties of aquifers, Darcy law, Aquifer types, Groundwater flow equations, hydraulic head, direction of groundwater flow and gradient, water table and potentiometric surface maps, Water wells design and drilling methods, Aquifer and well tests. LOW ENTHALPY GEOTHERMAL SYSTEMS The thermal properties of the ground, Ground-source heat pump systems, Heat pumps, Open-loop geothermal systems, Closed-loop geothermal systems (design, performance, characteristics) HIGH ENTHALPY GEOTHERMAL SYSTEMS Geothermal resources and reserves, Geothermal systems: vapor dominated geothermal fields, hot water geothermal systems, geopressured geothermal systems, hot dry rock geothermal systems and magma geothermal systems. Exploration program, Reservoir modelling and simulation, Economic highlights in the energy world market: geothermal industry and geothermal power and heat market.
- Lessons - Numerical exercises on open and closed-loop systems - Field trips: 1) Low enthalpy geothermal power plant in Torino (Politecnico) 2) High enthalpy geothermal power plants in Larderello, Italy.
- Theoretical lessons - 2 guided numerical exercises on open-loop and 1 exercise on closed-loop systems at the end of the low-enthalpy part, 1 numerical exercise on high-enthalpy geothermal systems at the end of high-enthalpy section. The guided exercises will be carried out in the classroom with the help of the teacher. - Field trips: 1) Low enthalpy geothermal power plant in Torino (Politecnico) 2) High enthalpy geothermal power plants in Larderello, Italy.
Teachers notes. These are the base for the exam. Suggested books: - David Banks, An Introduction to Thermogeology: Ground Source Heating and Cooling, 2nd Edition. Wiley. ISBN: 978-0-470-67034-7 - Ronald DiPippo, Geothermal Power Plants (3rd Edition) Principles, Applications, Case Studies and Environmental Impact. Elsevier. ISBN: 978-0-08-098206-9
Teachers notes. These are the base for the exam. Suggested books: - David Banks, An Introduction to Thermogeology: Ground Source Heating and Cooling, 2nd Edition. Wiley. ISBN: 978-0-470-67034-7 - Ronald DiPippo, Geothermal Power Plants (3rd Edition) Principles, Applications, Case Studies and Environmental Impact. Elsevier. ISBN: 978-0-08-098206-9
ModalitÓ di esame: Prova scritta (in aula); Prova orale facoltativa;
Exam: Written test; Optional oral exam;
Mandatory written test (10 multiple choice questions + 2 open questions). The final evaluation will be the sum of the results of the multiple choice questions and the evaluation of the answers to the 2 open-questions. The exercises developed during the course (not-mandatory) could be used to adjust the written test results evaluation. Optional (on-demand) oral exams only for students passing the written test.
Gli studenti e le studentesse con disabilitÓ o con Disturbi Specifici di Apprendimento (DSA), oltre alla segnalazione tramite procedura informatizzata, sono invitati a comunicare anche direttamente al/la docente titolare dell'insegnamento, con un preavviso non inferiore ad una settimana dall'avvio della sessione d'esame, gli strumenti compensativi concordati con l'UnitÓ Special Needs, al fine di permettere al/la docente la declinazione pi¨ idonea in riferimento alla specifica tipologia di esame.
Exam: Written test; Optional oral exam;
The purpose of the examination is to verify the understanding of the main characteristics of the different systems examined during the course and the ability to present concisely and comprehensively in short written texts the main elements learned. The obligatory written exam lasts 1 hour and consists of 10 questions with multiple choice and 2 questions with open answer. The final evaluation will be the sum of the results of the 10 multiple choice questions (1 point each) and the evaluation of the answers to the 2 open-questions (10 points each). The exercises developed during the course (not-obligatory) could be used to adjust the written test results evaluation. For those who pass the written exam can ask to take the oral exam (optional). The oral exam (2-3 questions) aims to explain the main concepts learned and can allow you to confirm the grade of the written test or modify it (increase or decrease it up to a maximum of 4 points). It covers the entire course program and has a maximum duration of 20 minutes.
In addition to the message sent by the online system, students with disabilities or Specific Learning Disorders (SLD) are invited to directly inform the professor in charge of the course about the special arrangements for the exam that have been agreed with the Special Needs Unit. The professor has to be informed at least one week before the beginning of the examination session in order to provide students with the most suitable arrangements for each specific type of exam.
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