Turbo Machines
Course Objective:
- The main objective of this course is to provide fundamental knowledge of turbo machines and their application.
- After completion of this course the students will be able to describe the working principles and applications of gas turbines and their components.
- Introduction(8 hours)
- Definition of a Turbo machine
- Parts of a Turbo machine
- General Classification of Turbines
- Application of First and Second Laws of Thermodynamics
- Efficiencies
- Dimensionless Parameters and Their Physical Significance
- Effect of Reynolds Number and Specific Speed
- Velocity Vector Diagram(8 hours)
- Typical Turbine Blade Profile
- Analysis of Work Done
- Stage Efficiency in
- Impulse Turbine
- Reaction Turbine
- Related problems
- Gas Turbine(7 hours)
- Gas Turbine Engine: Schematic
- The Theoretical Cycle: The Brayton Cycle
- Compressor Inlet and Compressor Performance
- Combustion Chamber
- Turbine Performance
- Gas Turbine Nozzles(8 hours)
- Principle of Operation
- Types of Nozzles
- Nozzle Performance
- Total Temperature and Pressure
- Nozzle Energy Equation
- The Nozzle Efficiency
- Theoretical Jet Engine (8 hours)
- Types of Jet Engines
- Turbine powered
- Ram Powered
- Non-continuous Combustion
- Rocket Engine
- Hybrid Engines
- Gas Turbine Cycles of Aircraft Propulsion(6 hours)
- Turbojet Engines
- Turbofan Engines
- Turboprop Engines
- Overall Performance and Comparison
- The Propulsion Efficiency
- Variation of the Basic Gas Turbine Engine Cycle
Practicals:
- Familiarization with Different Types of Turbo Machines
- Demonstration of Turbine Parts and Components
- Demonstration of Gas Turbine Engine System
- Familiarization with Different Equipments and Components used in Turbo Machines
- Gas Turbine Engine Study using Software (Computer Lab)
- Demonstration of Aircraft Engine and Familiarization with Engine Parameters and Control
- Familiarization with Tools used in Maintenance Operation of Gas Turbines
References:
- Csanady , G.T., “Theory of Turbo machines”.\, McGraw Hill Book co., New York, 1964.
- Sorensen, H.A., “Gas Turbines”, The Ronald Press co., New York, 1951.
- William W Perg, “Fundamentals of Turbomachinery”, John Wiley & Sons, Inc. 2008
Evaluation Schemes:
The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below.
Chapter |
Hours |
Mark Distribution* |
1 |
8 |
15 |
2 |
8 |
15 |
3 |
8 |
15 |
4 |
7 |
10 |
5 |
8 |
15 |
6 |
6 |
10 |
Total |
45 |
80 |
*Note: There may be minor deviation in marks distribution.
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