Select Academic Year:     2016/2017 2017/2018 2018/2019 2019/2020 2020/2021 2021/2022
Professor
GIORGIO CAU (Tit.)
MARIO PETROLLESE
Period
First Semester 
Teaching style
Convenzionale 
Lingua Insegnamento
ITALIANO 



Informazioni aggiuntive

Course Curriculum CFU Length(h)
[70/84]  ENERGETIC ENGINEERING [84/00 - Ord. 2018]  PERCORSO COMUNE 6 60
[70/85]  MECHANICAL ENGINEERING [85/00 - Ord. 2019]  PERCORSO COMUNE 9 90
[70/88]  CHEMICAL AND BIOTECHNOLOGICAL PROCESS ENGINEERING [88/00 - Ord. 2020]  PERCORSO COMUNE 6 60

Objectives

The course provides an insight into the latest industrial energy conversion technologies based on the use of fossil fuels, with particular reference to combined cycle power plants, cogeneration systems and integrated systems with CCS processes for production of high-grade fuels and hydrogen in particular.
The educational objectives and expected results are the following:
1. To acquire the specialized knowledge and the ability to interpret the structural and functional characteristics of the gas-steam combined cycle and cogeneration plants, principles of operation, performance characteristics, environmental implications, technological evolution, also in connection with changes in legislation and structure of supply and demand of energy.
2. To acquire the ability, starting from the knowledge gained, to represent, analyze and evaluate in detail the energy processes and functional schemes of the plants of interest, to set and solve mass and energy balances of the system and its fundamentals components and to evaluate the performance characteristics and costs.
3. To acquire the ability to recognize plant components and system solutions of different size, type and configuration, to estimate the orders of magnitude of the different performance indices in relation to these characteristics and to perform comparative energy and economic analysis and assessment in qualitative and quantitative terms.
4. To acquire the ability to represent, outline, describe, summarize and comment, in graphical, written and oral form, the thermodynamic cycles, physical processes, functional schemes, system configurations, the technological solutions, the formulation of energy balances, even complex, of combined gas-steam plants, cogeneration plants, innovative new generation plants.
5. To acquire the ability to use the knowledge and methods of analysis and evaluation learned for the deepening of the subject at a specialist level, with particular reference to the study of new generation complex energy systems, the most advanced and developing technologies, related subjects concerning the rational use of energy, modeling, simulation and optimization of energy systems.

Objectives

The course aims to provide key knowledge on modern high-performance energy conversion systems for power generation and industrial applications.
The course is divided into two main parts: Advanced energy systems and Technologies for energy efficiency.
In the first part, the course provides an insight into the latest industrial energy conversion technologies based on the use of fossil fuels, with particular reference to combined cycle power plants, cogeneration systems and integrated systems with CCS processes for production of high-grade fuels and hydrogen in particular.
In the second part, the course provides some basic knowledge on modern energy storage technologies, essential for the effective and efficient management of non-programmable renewable sources, on heat exchange equipment and on Organic Rankine Cycle (ORC) power systems.

The educational objectives and expected results are the following:
1. To acquire the specialized knowledge and the ability to interpret the structural and functional characteristics of the gas-steam combined cycles, cogeneration plants and industrial processes and systems for the rational use of energy, principles of operation, performance characteristics, environmental implications, technological evolution, also in connection with changes in legislation and structure of supply and demand of energy.
2. To acquire the ability, starting from the knowledge gained, to represent, analyze and evaluate in detail the energy processes and functional schemes of the plants of interest, to set and solve mass and energy balances of the system and its fundamentals components and to evaluate the performance characteristics and costs.
3. To acquire the ability to recognize plant components and system solutions of different size, type and configuration, to estimate the orders of magnitude of the different performance indices in relation to these characteristics and to perform comparative energy, economic and environmental analysis and assessment in qualitative and quantitative terms.
4. To acquire the ability to represent, outline, describe, summarize and comment, in graphical, written and oral form, the thermodynamic cycles, physical processes, functional schemes, system configurations, the technological solutions, the formulation of energy balances, even complex, of combined gas-steam plants, cogeneration plants, new generation plants, systems and processes for energy efficiency.
5. To acquire the ability to use the knowledge and methods of analysis and evaluation learned for the deepening of the subject at a specialist level, with particular reference to the study of new generation complex energy systems, the most advanced and developing technologies, related subjects concerning the rational use of energy, environmental impact, modeling, simulation and optimization of energy systems.

Prerequisites

Knowledge of Thermodynamics, Fluid Dynamics, Fluid Machinery and Energy Systems.

Contents

The course is divided into two main parts: High efficiency Energy Systems and Environmental impact of Energy Systems.

PART I - HIGH EFFICIENCY ENERGY SYSTEMS
1. Energy and environmental scenarios. Size and evolution of the global energy demand. Global and local scenarios. Environmental implications. CO2 production from fossil fuels. (2h les.).
2. Gas-steam combined-cycle plants. Combined cycles, energy balance, structural and functional characteristics of the c.c. plants, efficiency and power, simple-recovery and post-combustion plants. Heat recovery steam generators, structural and functional characteristics. Repowering of existing steam plant by integration with gas turbines, energy balance and performance. Gas turbines with water and steam injection. (28h les., 8h ex.).
3. Combined production of electricity and heat. Guiding principles of cogeneration, cogeneration systems and technologies. Figures of cogeneration. Cogeneration with reciprocating internal combustion engines, back-pressure and condensing steam plants, gas turbines, gas-steam combined cycle plants. Management of cogeneration plants. Regulatory, economic evaluations. (12h les., 5h ex.).
4.Integrated gasification combined cycle plants (IGCC). Fixed bed, fluidized bed and entrained flow gasifiers. Treatment systems (cleaning and processing) of syngas. CCS technologies and production of hydrogen from fossil fuels. Production of hydrogen from fossil fuels through gasification and reforming processes. CCS, physical and chemical processes for separating CO2 from syngas and combustion products. (3h les., 2h ex).

PART II - TECHNOLOGIES FOR ENERGY EFFICIENCY
1. Energy storage technologies. Mechanical, electrical, chemical and thermal energy storage systems and technologies. Applications of energy storage system on the industrial and energy sectors. Introduction to thermal energy storage. Sensible heat and latent heat storage technologies. Introduction to hydrogen energy storage. (5h les., 2h es.).
2. Heat exchange equipment. Heat exchange equipment and performance characteristic curves. Heat exchangers: types, main applications, choice criteria. Preliminary design and sizing of the heat exchangers. Q-ΔTml method and ε-NTU method. “Shell and tube” heat exchangers, plate heat exchangers, double pipe heat exchangers. (8h les., 4h es.).
3. Organic fluid engine systems (ORC). Physical-chemical characteristics of the working fluids. Thermodynamic cycles. Characteristics of the main plant components. Applications in the renewable energy and heat recovery sector in industrial processes. (8h les., 3h es.).

Contents

The course is divided into 4 parts (on 4 distinct subjects) as specified below:
1. Energy and environmental scenarios. Size and evolution of the global energy demand. Global and local scenarios. Environmental implications. CO2 production from fossil fuels. (2h les.).
2. Gas-steam combined-cycle plants. Combined cycles, energy balance, structural and functional characteristics of the c.c. plants, efficiency and power, simple-recovery and post-combustion plants. Heat recovery steam generators, structural and functional characteristics. Repowering of existing steam plant by integration with gas turbines, energy balance and performance. Gas turbines with water and steam injection. (28h les., 8h ex.).
3. Combined production of electricity and heat. Guiding principles of cogeneration, cogeneration systems and technologies. Figures of cogeneration. Cogeneration with reciprocating internal combustion engines, back-pressure and condensing steam plants, gas turbines, gas-steam combined cycle plants. Management of cogeneration plants. Regulatory, economic evaluations. (12h les., 5h ex.).
4.Integrated gasification combined cycle plants (IGCC). Fixed bed, fluidized bed and entrained flow gasifiers. Treatment systems (cleaning and processing) of syngas. CCS technologies and production of hydrogen from fossil fuels. Production of hydrogen from fossil fuels through gasification and reforming processes. CCS, physical and chemical processes for separating CO2 from syngas and combustion products. (3h les., 2h ex.).

Teaching Methods

The four parts which make up the course include lectures and practical exercises in the classroom, for a total of about 45 hours of classes and 15 hours of exercises.
The course will be done in blended mode, with classroom and online lectures, according to the decisions of the University management. During the lectures, the use of multimedia computer presentations will be privileged.

Teaching Methods

The two parts which make up the course are divided into main topics, four first part, three part two, including frontal lessons and application exercises in the classroom, for a total of approximately 66 hours of lesson, and 24 hours of exercise, including, eventually, some laboratory lesson/exercises.
The course will be done in blended mode, with classroom and online lectures, according to the decisions of the University management. During the lectures, the use of multimedia computer presentations will be privileged.

Verification of learning

Examination of Industrial Energy Technologies is based on an oral test and on the evaluation of some exercises (usually 3) that must be delivered to the teacher for before the exam. The exercises are explained in the classroom and can be done at home, even in a group to no more than three students.
The oral exam focuses on the evaluation of the knowledge of the topics covered in the lectures and exercises. During the examination, based normally on 2-3 questions on topics related to the entire program of the course, students should mainly have the following skills:
- have mastered the basic knowledge of the machines and energy systems necessary for the study of complex energy systems (thermodynamic planes, thermodynamic cycles, cycle and system performance, etc.);
- be able to graph and describe functional schemes combined cycle and cogeneration plants in different configurations studied during the course;
- to know and be able to describe the functional characteristics of machinery and plant components;
- be able to represent and describe the functional characteristics of the heat recovery steam generators;
- be able to set up and solve energy balances of the combined plants and cogeneration plants in the different configurations of interest, and of their components;
- be familiar with the units measure of the physical magnitudes that characterize the processes of fluid machines and energy systems and their components in general;
- to know the order of magnitude of the main operating parameters (pressure, temperature, etc.) and the main functional characteristics (efficiency, power, etc.) of the energy systems were studied during the course and their individual components.

Verification of learning

Examination of Industrial Energy Technologies is based on an oral test and on the evaluation of some exercises (usually 3) that must be delivered to the teacher for before the exam. The exercises are explained in the classroom and can be done at home, even in a group to no more than three students.
The oral exam focuses on the evaluation of the knowledge of the topics covered in the lectures and exercises. During the examination, based normally on 2-3 questions on topics related to the entire program of the course, students should mainly have the following skills:
- have mastered the basic knowledge of the machines and energy systems necessary for the study of complex energy systems (thermodynamic planes, thermodynamic cycles, cycle and system performance, etc.);
- be able to graph and describe functional schemes combined cycle and cogeneration plants in different configurations studied during the course;
- to know and be able to describe the functional characteristics of machinery and plant components;
- be able to represent and describe the functional characteristics of the heat recovery steam generators;
- be able to set up and solve energy balances of the combined plants and cogeneration plants in the different configurations of interest, and of their components;
- be familiar with the units measure of the physical magnitudes that characterize the processes of fluid machines and energy systems and their components in general;
- to know the order of magnitude of the main operating parameters (pressure, temperature, etc.) and the main functional characteristics (efficiency, power, etc.) of the energy systems were studied during the course and their individual components.

Verification of learning

Examination of Industrial Energy Technologies is based on an oral test and on the evaluation of some exercises (usually 3 on the first part of the course and 2 on the second part) that must be delivered to the teacher for before the exam. The exercises are explained in the classroom and can be done at home, even in a group to no more than three students.
The oral exam focuses on the evaluation of the knowledge of the topics covered in the lectures and exercises. During the examination, based normally on 3-4 questions on topics related to the entire program of the course, students should mainly have the following skills:
have mastered the basic knowledge of the machines and energy systems necessary for the study of complex energy systems (thermodynamic planes, thermodynamic cycles, cycle and system performance, etc.);
be able to graph and describe functional schemes combined cycle and cogeneration plants in different configurations studied during the course;
know and be able to describe the functional characteristics of machinery and plant components;
be able to represent and describe the functional characteristics of the heat recovery steam generators;
be able to set up and solve energy balances of the combined plants and cogeneration plants in the different configurations of interest, and of their components;
know and be able to describe the basic features of the various technologies of energy storage in mechanical, electrical, chemical and thermal form;
know and be able to describe the main constructive and functional characteristics of the various types of heat exchange equipment and their most common applications in relation to their characteristics;
know and be able to apply the preliminary design methodologies of heat exchangers;
know and be able to describe thermodynamic cycles and fluids, the various components of organic fluid engine systems (ORC) and their main applications;
be familiar with the units measure of the physical magnitudes that characterize the processes of fluid machines and energy systems and their components in general;
to know the order of magnitude of the main operating parameters (pressure, temperature, etc.) and the main functional characteristics (efficiency, power, etc.) of the energy systems were studied during the course and their individual components.

Texts

Esculapio, Bologna
The book provides a non-exhaustive trace on issues related to combined plants and cogeneration plants.

S. Kakac, H. Liu, A. Pramuanjaroenkij “Heat Exchangers - Selection, Rating, and Thermal Design”, CRC Press Taylor & Francis Group
The book represents an exhaustive reference for the study of heat exchangers.

Texts

Giovanni Lozza, “Turbine a Gas e Cicli Combinati”, Società Editrice Esculapio, Bologna
The book provides a non-exhaustive trace on issues related to combined plants and cogeneration plants.

Texts

Giovanni Lozza, “Turbine a Gas e Cicli Combinati”, Società Editrice Esculapio, Bologna
The book provides a non-exhaustive trace on issues related to combined plants and cogeneration plants.

More Information

During the course is supplied to students supplementary teaching materials (slides) on the main topics covered.
The teacher is supported by his collaborators (research fellows and PhD students) in carrying out exercises and assistance to the study, usually available every day in normal working hours.

More Information

The course is given by the first part of the course Industrial Energy Technologies for students of L.M. in Mechanical Engineering.
During the course is supplied to students supplementary teaching materials (slides) on the main topics covered.
The teacher is supported by his collaborators (research fellows and PhD students) in carrying out exercises and assistance to the study, usually available every day in normal working hours.

More Information

The course is given by the first part of the course Industrial Energy Technologies for students of L.M. in Mechanical Engineering.
During the course is supplied to students supplementary teaching materials (slides) on the main topics covered.
The teacher is supported by his collaborators (research fellows and PhD students) in carrying out exercises and assistance to the study, usually available every day in normal working hours.

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