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PORTALE DELLA DIDATTICA

Thermal Machines

01OFVLI, 01OFVLN

A.A. 2021/22

Course Language

Inglese

Course degree

1st degree and Bachelor-level of the Bologna process in Ingegneria Dell'Autoveicolo (Automotive Engineering) - Torino
1st degree and Bachelor-level of the Bologna process in Ingegneria Dell'Autoveicolo - Torino

Course structure
Teaching Hours
Lezioni 59
Esercitazioni in aula 21
Teachers
Teacher Status SSD h.Les h.Ex h.Lab h.Tut Years teaching
Baratta Mirko Professore Associato ING-IND/08 59 21 0 0 11
Teaching assistant
Espandi

Context
SSD CFU Activities Area context
ING-IND/08 8 B - Caratterizzanti Ingegneria energetica
2021/22
The module aims at supplying the fundamentals of fluid-flow machines, with specific reference to constructive aspects, principles of operation, evaluation of performance and off-design operations of both the single fluid-flow machine and the energy system in which it is inserted. Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
The module aims at supplying the fundamentals of fluid-flow machines, with specific reference to constructive aspects, principles of operation, evaluation of performance and off-design operations of both the single fluid-flow machine and the energy system in which it is inserted. Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
Through the systematic application of the principles of thermo-fluid-dynamics to energy conversion systems and their components, the module provides the students with the ability not only to choose engines and engineering-plant solutions in relation to their applications, but also to approach and solve specific design problems by integrating the concepts acquired in the module with advanced notions on specific topics.
Knowledge of the fundamentals of thermodynamics, heat transfer and chemistry. Knowledge of the principles of applied mechanics and of fluidmechanics.
Knowledge of the fundamentals of thermodynamics, heat transfer and chemistry. Knowledge of the principles of applied mechanics and of fluidmechanics.
• Introduction to Fluid Machines. Thermodynamics and Fluid-Dynamics applied to fluid machines. • Blade geometry and nomenclature, turbomachine stages, velocity diagrams, Euler work equation. • 1D theory of compressible flows: Nozzles and diffusers. Design of a nozzle, off-design performance. • 1-D analysis of axial-flow turbine stages. Notice on radial-flow and mixed-flow turbines. • Thermodynamic analysis of a compression process. 1-D analysis of axial-flow and centrifugal turbocompressors. • Fundamentals of combustion thermodynamics. • Gas turbine plants. Notices on combined-cycle plants. • Dynamic similitude. Performance characteristics of compressors and turbines. Control of gas turbines and compressors • Volumetric compressors
• Introduction to Fluid Machines. Thermodynamics and Fluid-Dynamics applied to fluid machines. • Blade geometry and nomenclature, turbomachine stages, velocity diagrams, Euler work equation. • 1D theory of compressible flows: Nozzles and diffusers. Design of a nozzle, off-design performance. • 1-D analysis of axial-flow turbine stages. Notice on radial-flow and mixed-flow turbines. • Thermodynamic analysis of a compression process. 1-D analysis of axial-flow and centrifugal turbocompressors. • Gas turbine plants. Notices on combined-cycle plants. • Dynamic similitude. Performance characteristics of compressors and turbines. Control of gas turbines and compressors • Volumetric compressors
The applied lectures consist in solving exercises and practical problems by applying the concepts covered in the lessons. The aim of this training is to give the students the order of magnitude of the main parameters and to improve their degree of understanding.
The applied lectures consist in solving exercises and practical problems by applying the concepts covered in the lessons. The aim of this training is to give the students the order of magnitude of the main parameters and to improve their degree of understanding.
•M.J. Moran, H.N. Shapiro, "Fundamentals of Engineering Thermodynamics", 5th ed., John Wiley & Sons. •S.L. Dixon, C.A. Hall, "Fluid Mechanics and Thermodynamics of Turbomachinery", 6th ed., Butterworth-Heinemann, Elsevier. •S.A. Korpela, "Principles of Turbomachinery", 1st ed., John Wiley & Sons •Lecture Slides. •Solution of the applied lectures.
•M.J. Moran, H.N. Shapiro, “Fundamentals of Engineering Thermodynamics”, 5th ed., John Wiley & Sons. •S.L. Dixon, C.A. Hall, “Fluid Mechanics and Thermodynamics of Turbomachinery”, 6th ed., Butterworth-Heinemann, Elsevier. •S.A. Korpela, “Principles of Turbomachinery”, 1st ed., John Wiley & Sons •Lecture Slides. •Solution of the applied lectures.
Modalità di esame: Prova scritta (in aula); Prova orale facoltativa;
Exam: Written test; Optional oral exam;
The exam booking on the web portal, within the deadline, is mandatory. The exam is made up of a written part and of a oral part. The final mark is a weighted average of the written part and oral part marks, the weights being 2/3 and 1/3, respectively. In order to be admitted to the oral, each candidate needs at least a mark of 15/30 from the written test. Both exam parts have to be taken within the same call.
Gli studenti e le studentesse con disabilità 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'Unità Special Needs, al fine di permettere al/la docente la declinazione più idonea in riferimento alla specifica tipologia di esame.
Exam: Written test; Optional oral exam;
The exam booking on the web portal, within the deadline, is mandatory. The exam is made up of a written part and of a oral part. The final mark is a weighted average of the written part and oral part marks. WRITTEN TEST (2 h 40 min) The written test is made up of two parts. The first part is composed by 15 multiple-choice questions. The questions are concerned with the theory topics, but a few of them will require the solution of short numerical problems. Each correct answer will score 2 points, each blank (not given) answer will bring 0 points, and each wrong answer will bring -0,5 points. Each question will have only one correct answer. The maximum score for the first part is 30/30. In the second part, the student has to solve 2 exercises, whose difficulty is similar to that of the exercises proposed during the applied lectures. Each exercise that is complete and correct, will score 15 points out of 30. During the test the student can only use a scientific calculator and a formulary provided by the teacher. The paper sheets for the exam will be provided by the teacher. Each sheet has to be returned at the scheduled hand-in time, or at the exam withdrawal. The formulary will also be provided by the teacher, and it has to be returned together with the text and the classwork at the scheduled hand-in time, or at the exam withdrawal. Please, do not write on the provided formulary. IMPORTANT: The use of any other written or blank paper, of books, slides or notes, as well as of notebooks, smart phones, cell phones or any other electronic device, is strictly forbidden. Should any candidate be caught while using un-authorized papers or electronic devices (regardless if it is switched on or off, online or offline), he or she will be immediately withdrawn from the exam and his/her name will be forwarded to the Politecnico’s Disciplinary Board for the pertinent actions. The candidate can withdraw from the written test up to the hand-in time. In this case, the exam failure will not be registered. Once the written test has been corrected, the exam will be registered with either a positive or negative result. Any candidate who is not satisfied about the written test result can ask to be failed before the oral start. The exam is not passed if the score from the first written part is strictly lower than 15/30 OR the one from the second part is strictly lower than 15/30. ORAL TEST The oral test can be optional or mandatory, depending on the outcomes from the written one. In order to be admitted to the oral, each candidate needs at least a mark of 15/30 from the written test. - Students with a mark between 15 and 17 from the written test need to sit for the oral in order to pass the exam. - Students with a mark equal to or higher than 18 can either register the exam or to sit for the oral. Note that, in the absence of an oral test, the maximum achievable score is 26/30. The oral test will involve one question about the lectures or the applied lectures. The candidate will be asked to answer in writing, then the answer will be discussed with the examiner. If the oral test is done, the final mark is an average between the written and the oral test marks.
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.
Modalità di esame: Prova orale facoltativa; Prova scritta tramite PC con l'utilizzo della piattaforma di ateneo;
The exam is composed by a written part and by an oral one, the latter being at the sole discretion of the Exam Commission (see the ‘Oral exam’ section below). Written test (overall duration: 1h 50 m) The written test is divided into two parts: - The first part is composed by 15 multiple-choice questions. The questions are concerned with the theory topics, but a few of them will require the solution of short numerical problems. Each correct answer will score 2 points, each blank (not given) answer will bring 0 points, and each wrong answer will bring -0,5 points. Each question will have only one correct answer. The maximum score for the first part is 30/30. - The second part will require the solution of two exercises, in the form of essay questions. The maximum score is 30/30. The exam is not passed if the score from the first written part is strictly lower than 15/30 OR the one from the second part is strictly lower than 15/30. The final mark of the written test is given by the average between the two parts. Candidates can use only a pen, paper sheets and a non-programmable scientific calculator, along with a printed version of the official course formulary. DO NOT ADD NOTES ON THE FORMULARY. The candidate can withdraw from the written test by leaving it blank, once the 80% of the overall available time has elapsed. In such a case, the exam failure will not be registered. Once the exam will have been submitted and corrected by the commission, the result will be registered either with a positive mark or with a failure. Oral exam The Exam Commission reserves its right to call a student for an oral test, independently on the outcome from the written exam. In such a case, the final mark will be an average between the three parts. The oral exams is mandatory for written test marks between 15 and 17. The commission will also consider any request coming from the students to sit for the oral, and will evaluate them at its sole discretion.
Exam: Optional oral exam; Computer-based written test using the PoliTo platform;
The exam is composed by a written part and by an oral one, the latter being at the sole discretion of the Exam Commission (see the ‘Oral exam’ section below). Written test (overall duration: 1h 50 m) The written test is divided into two parts: - The first part is composed by 15 multiple-choice questions. The questions are concerned with the theory topics, but a few of them will require the solution of short numerical problems. Each correct answer will score 2 points, each blank (not given) answer will bring 0 points, and each wrong answer will bring -0,5 points. Each question will have only one correct answer. The maximum score for the first part is 30/30. - The second part will require the solution of two exercises, in the form of essay questions. The maximum score is 30/30. The exam is not passed if the score from the first written part is strictly lower than 15/30 OR the one from the second part is strictly lower than 15/30. The final mark of the written test is given by the average between the two parts. Candidates can use only a pen, paper sheets and a non-programmable scientific calculator, along with a printed version of the official course formulary. DO NOT ADD NOTES ON THE FORMULARY. The candidate can withdraw from the written test by leaving it blank, once the 80% of the overall available time has elapsed. In such a case, the exam failure will not be registered. Once the exam will have been submitted and corrected by the commission, the result will be registered either with a positive mark or with a failure. Oral exam The Exam Commission reserves its right to call a student for an oral test, independently on the outcome from the written exam. In such a case, the final mark will be an average between the three parts. The oral exams is mandatory for written test marks between 15 and 17. The commission will also consider any request coming from the students to sit for the oral, and will evaluate them at its sole discretion.
Modalità di esame: Prova scritta (in aula); Prova orale facoltativa; Prova scritta tramite PC con l'utilizzo della piattaforma di ateneo;
The exam is composed by a written part and by an oral one, the latter being at the sole discretion of the Exam Commission (see the ‘Oral exam’ section below). Written test (overall duration: 1h 50 m) The written test is divided into two parts: - The first part is composed by 15 multiple-choice questions. The questions are concerned with the theory topics, but a few of them will require the solution of short numerical problems. Each correct answer will score 2 points, each blank (not given) answer will bring 0 points, and each wrong answer will bring -0,5 points. Each question will have only one correct answer. The maximum score for the first part is 30/30. - The second part will require the solution of two exercises, in the form of essay questions. The maximum score is 30/30. The exam is not passed if the score from the first written part is strictly lower than 15/30 OR the one from the second part is strictly lower than 15/30. The final mark of the written test is given by the average between the two parts. Candidates can use only a pen, paper sheets and a non-programmable scientific calculator, along with a printed version of the official course formulary. DO NOT ADD NOTES ON THE FORMULARY. The candidate can withdraw from the written test by leaving it blank, once the 80% of the overall available time has elapsed. In such a case, the exam failure will not be registered. Once the exam will have been submitted and corrected by the commission, the result will be registered either with a positive mark or with a failure. Oral exam The Exam Commission reserves its right to call a student for an oral test, independently on the outcome from the written exam. In such a case, the final mark will be an average between the three parts. The oral exams is mandatory for written test marks between 15 and 17. The commission will also consider any request coming from the students to sit for the oral, and will evaluate them at its sole discretion.
Exam: Written test; Optional oral exam; Computer-based written test using the PoliTo platform;
The exam is composed by a written part and by an oral one, the latter being at the sole discretion of the Exam Commission (see the ‘Oral exam’ section below). Written test (overall duration: 1h 50 m) The written test is divided into two parts: - The first part is composed by 15 multiple-choice questions. The questions are concerned with the theory topics, but a few of them will require the solution of short numerical problems. Each correct answer will score 2 points, each blank (not given) answer will bring 0 points, and each wrong answer will bring -0,5 points. Each question will have only one correct answer. The maximum score for the first part is 30/30. - The second part will require the solution of two exercises, in the form of essay questions. The maximum score is 30/30. The exam is not passed if the score from the first written part is strictly lower than 15/30 OR the one from the second part is strictly lower than 15/30. The final mark of the written test is given by the average between the two parts. Candidates can use only a pen, paper sheets and a non-programmable scientific calculator, along with a printed version of the official course formulary. DO NOT ADD NOTES ON THE FORMULARY. The candidate can withdraw from the written test by leaving it blank, once the 80% of the overall available time has elapsed. In such a case, the exam failure will not be registered. Once the exam will have been submitted and corrected by the commission, the result will be registered either with a positive mark or with a failure. Oral exam The Exam Commission reserves its right to call a student for an oral test, independently on the outcome from the written exam. In such a case, the final mark will be an average between the three parts. The oral exams is mandatory for written test marks between 15 and 17. The commission will also consider any request coming from the students to sit for the oral, and will evaluate them at its sole discretion.
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