TURBOMACHINES
| Title | ΣΤΡΟΒΙΛΟΜΗΧΑΝΕΣ / TURBOMACHINES |
| Code | 207 |
| Faculty | Engineering |
| School | Mechanical Engineering |
| Cycle / Level | 1st / Undergraduate |
| Teaching Period | Winter |
| Coordinator | Anestis Kalfas |
| Common | Yes |
| Status | Active |
| Course ID | 20000340 |
Programme of Study: UPS of School of Mechanical Engineering
Registered students: 142
| Orientation | Attendance Type | Semester | Year | ECTS |
|---|---|---|---|---|
| Energy | Compulsory Course belonging to the selected specialization (Compulsory Specialization Course) | 7 | 4 | 5 |
| Design and Structures | Elective Courses belonging to the other | 7 | 4 | 5 |
| Industrial Management | Elective Courses belonging to the other | 7 | 4 | 5 |
| Academic Year | 2020 – 2021 |
| Class Period | Winter |
| Faculty Instructors |
|
| Weekly Hours | 5 |
| Class ID | 600170944
|
Course Type 2016-2020
- Scientific Area
Course Type 2011-2015
Specific Foundation / Core
Mode of Delivery
- Face to face
Digital Course Content
- e-Study Guide https://qa.auth.gr/en/class/1/600170944
Language of Instruction
- Greek (Instruction, Examination)
Prerequisites
Required Courses
- 128 ENERGY TRANSFORMING SYSTEMS
- 113 THERMODYNAMICS I
- 118 FLUID MECHANICS I
- 122 HEAT TRANSFER
- 120 NUMERICAL ANALYSIS
General Prerequisites
Mathematics I, II
Fluid Mechanics I
Thermodynamics I
Heat transfer
Learning Outcomes
The students would be able to know the morphology, the operation characteristics and the flow in
Compressors
Turbines
Pumps and
water turbines
General Competences
- Apply knowledge in practice
- Retrieve, analyse and synthesise data and information, with the use of necessary technologies
- Adapt to new situations
- Work autonomously
- Advance free, creative and causative thinking
Course Content (Syllabus)
Introduction to turbomachinery, general principles, typical configurations. The turbomachinery and the operation system. Typical characteristics of turbomachines, similarity laws, cooperation of several turbomachines, operation in series or in parallel. The fluid mechanics and thermodynamics of turbomachines, thermodynamic cycles of gas and steam turbines. The relative flow, velocity triangles, Euler’s equation. Aerodynamics of turbomachinery, basic principles of operation, non dimensional numbers, efficiencies, reaction. Axial compressors: design, operation, limiting factors. Blade aerodynamics for axial compressors operating both in sub- and super-sonic regions. Flow phenomena, 3D effects, tip leakage flows.
Radial turbomachinery: Description, velocity triangles, design and operation problems. Axial turbines: Blade design and construction characteristics, 3-D flows. Blade cooling methodology and construction problems. Pumps: Study of the phase change of water under extremely low pressures, cavitation. Operational characteristics analysis of 3-D flow effects, multistage pumps, technical and operational problems. Radial turbines. Theory of design and operation, study of the flow in radial turbine rotors. Water turbines: Fluid mechanics of Pelton, Francis and Caplan turbines. Design and construction, operational characteristics cavitation.
Keywords
Compressor, Turbine, Axial machines, Centrifugal machines, cavitation, surge
Educational Material Types
- Notes
- Book
Use of Information and Communication Technologies
Use of ICT
- Use of ICT in Course Teaching
- Use of ICT in Communication with Students
Description
Lectures
Power point and video presentations
Communication
Announcements and information on the e-class platform
Personal communication with the students through e-mail
Course Organization
| Activities | Workload | ECTS | Individual | Teamwork | Erasmus |
|---|---|---|---|---|---|
| Lectures | 65 | 2.2 | ✓ | ||
| Reading Assigment | 65 | 2.2 | ✓ | ||
| Written assigments | 17 | 0.6 | ✓ | ||
| Exams | 3 | 0.1 | ✓ | ||
| Total | 150 | 5 |
Student Assessment
Student Assessment methods
- Written Exam with Short Answer Questions (Formative, Summative)
- Written Exam with Extended Answer Questions (Formative, Summative)
- Written Exam with Problem Solving (Formative, Summative)
Bibliography
Course Bibliography (Eudoxus)
Βασικές αρχές Στροβιλομηχανων. Α. Γούλας, Εκδόσεις Γιαπούλη.
Additional bibliography for study
Turbomachinery Flow Physics and Dynamic Performance [electronic resource], Schobeiri, Meinhard.
Last Update
22-10-2016
