| Course Unit Title | Course Unit Code | Type of Course Unit | Level of Course Unit | Year of Study | Semester | ECTS Credits |
|---|---|---|---|---|---|---|
| Gas Turbine Engines I | UGM212 | Compulsory | Bachelor's degree | 2 | Spring | 4 |
Name of Lecturer(s)
Associate Prof. Dr. Sinan FİDAN
Learning Outcomes of the Course Unit
1) Explain basic concepts related with energy.
2) Calculate powerplant performance.
3) Associate inlet section and its effect on powerplant performance.
4) Explain compressors types, functions and the efficiency.
5) Explains the combustion chamber, its types, structure and functions.
6) Evaluate turbine section, function and efficiency.
7) Associate the effect of exhaust area to thrust.
8) Explains basic gas turbine engine operating principles, recognizes system components and knows the effects of operating parameters.
Program Competencies-Learning Outcomes Relation
| Program Competencies | ||||||||||||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 | 17 | 18 | 19 | ||
| Learning Outcomes | ||||||||||||||||||||
| 1 | No relation | High | No relation | No relation | No relation | No relation | High | No relation | No relation | Low | No relation | No relation | No relation | No relation | Low | Low | No relation | Middle | No relation | |
| 2 | No relation | High | No relation | No relation | No relation | No relation | High | No relation | No relation | Low | No relation | No relation | No relation | No relation | Low | Low | No relation | Middle | No relation | |
| 3 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
| 4 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
| 5 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
| 6 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
| 7 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
| 8 | No relation | Middle | No relation | Low | Low | No relation | Low | No relation | No relation | Middle | No relation | Middle | No relation | No relation | High | High | Low | High | Middle | |
Mode of Delivery
Face to Face
Prerequisites and Co-Requisites
None
Recommended Optional Programme Components
None.
Course Contents
Fundamentals; Potential energy, kinetic energy, Newton’s laws of motion, Brayton cycle; The relationship between force, work, power, energy, velocity, acceleration; Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop. Engine Performance; Gross thrust, net thrust, choked nozzle thrust, thrust distribution, resultant thrust, thrust horsepower, equivalent shaft horsepower, specific fuel consumption; Engine efficiencies; By-pass ratio and engine pressure ratio; Pressure, temperature and velocity of the gas flow; Engine ratings, static thrust, influence of speed, altitude and hot climate, flat rating, limitations. Inlet; Compressor inlet ducts, Effects of various inlet configurations; Ice protection. Compressors; Axial and centrifugal types; Constructional features and operating principles and applications; Fan balancing; Operation: Causes and effects of compressor stall and surge; Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades; Compressor ratio. Combustion Section; Constructional features and principles of operation. Turbine Section; Operation and characteristics of different turbine blade types; Blade to disk attachment; Nozzle guide vanes; Causes and effects of turbine blade stress and creep. Exhaust; Constructional features and principles of operation; Convergent, divergent and variable area nozzles; Engine noise reduction; Thrust reversers.
Weekly Schedule
1) Fundamentals Potential energy, kinetic energy, Newton's laws of motion, Brayton cycle; The relationship between force, work, power, energy, velocity, acceleration; Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop.2) Fundamentals Potential energy, kinetic energy, Newton's laws of motion, Brayton cycle; The relationship between force, work, power, energy, velocity, acceleration; Constructional arrangement and operation of turbojet, turbofan, turboshaft, turboprop.
3) Engine Performance Gross thrust, net thrust, choked nozzle thrust, thrust distribution, resultant thrust, thrust horsepower, equivalent shaft horsepower, specific fuel consumption; Engine efficiencies; By-pass ratio and engine pressure ratio; Pressure, temperature and velocity of the gas flow; Engine ratings, static thrust, influence of speed, altitude and hot climate, flat rating, limitations.
4) Engine Performance Gross thrust, net thrust, choked nozzle thrust, thrust distribution, resultant thrust, thrust horsepower, equivalent shaft horsepower, specific fuel consumption; Engine efficiencies; By-pass ratio and engine pressure ratio; Pressure, temperature and velocity of the gas flow; Engine ratings, static thrust, influence of speed, altitude and hot climate, flat rating, limitations.
5) Inlet Compressor inlet ducts; Effects of various inlet configurations; Ice protection.
6) Inlet Compressor inlet ducts; Effects of various inlet configurations; Ice protection.
7) Compressors, Axial and centrifugal types; Constructional features and operating principles and applications; Fan balancing; Operation; Causes and effects of compressor stall and surge; Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades; Compressor ratio.
8) Exam
9) Compressors, Axial and centrifugal types; Constructional features and operating principles and applications; Fan balancing; Operation; Causes and effects of compressor stall and surge; Methods of air flow control: bleed valves, variable inlet guide vanes, variable stator vanes, rotating stator blades; Compressor ratio.
10) Combustion chamber section, Constructional features and principles of operation.
11) Combustion chamber section, Constructional features and principles of operation.
12) Turbine Section, Operation and characteristics of different turbine blade types; Blade to disk attachment; Nozzle guide vanes; Causes and effects of turbine blade stress and creep.
13) Turbine Section Operation and characteristics of different turbine blade types; Blade to disk attachment; Nozzle guide vanes; Causes and effects of turbine blade stress and creep.
14) Exhaust Constructional features and principles of operation; Convergent, divergent and variable area nozzles; Engine noise reduction; Thrust reversers
15) Exhaust Constructional features and principles of operation; Convergent, divergent and variable area nozzles; Engine noise reduction; Thrust reversers
Recommended or Required Reading
Planned Learning Activities and Teaching Methods
1) Lecture
2) Lecture
3) Lecture
4) Lecture
5) Question-Answer
6) Question-Answer
7) Question-Answer
8) Simulation
9) Simulation
10) Simulation
11) Self Study
12) Self Study
13) Self Study
14) Self Study
15) Problem Solving
16) Problem Solving
Assessment Methods and Criteria
Contribution of Midterm Examination to Course Grade |
40% |
|---|---|
Contribution of Final Examination to Course Grade |
60% |
Total |
100% |
Language of Instruction
Turkish
Work Placement(s)
Not Required