ME704 Lecture : 3 Year : IV Tutorial : 1 Part : I Practical : 3/2

Course Objective:

To provide fundamental knowledge of turbo machines and their application. Also make them able to describe the working principles and applications of gas turbines and their components.

 1. Introduction (8 hours)

1.1.Definition of a Turbo machine

1.2.Parts of a Turbo machine

1.3.General Classification of Turbines

1.4.Application of First and Second Laws of Thermodynamics

1.5.Efficiencies

1.6.Dimensionless Parameters and Their Physical Significance

1.7.Effect of Reynolds Number and Specific Speed

 2. Velocity Vector Diagram (8 hours)

2.1.Typical Turbine Blade Profile

2.2.Analysis of Work Done

2.3.Stage Efficiency in

2.3.1.Impulse Turbine

2.3.2.Reaction Turbine

2.4.Related problems

 3. Gas Turbine (7 hours)

3.1.Gas Turbine Engine: Schematic

3.2.The Theoretical Cycle: The Brayton Cycle

3.3.Compressor Inlet and Compressor Performance

3.4.Combustion Chamber

3.5.Turbine Performance

 4. Gas Turbine Nozzles (8 hours)

4.1.Principle of Operation

4.2.Types of Nozzles

4.3.Nozzle Performance

4.4.Total Temperature and Pressure

4.5.Nozzle Energy Equation

4.6.The Nozzle Efficiency

 5. Theoretical Jet Engine (8 hours)

5.1.Types of Jet Engines

5.1.1.Turbine powered

5.1.2.Ram Powered

5.1.3.Non-continuous Combustion

5.2.Rocket Engine

5.3.Hybrid Engines

 6. Gas Turbine Cycles of Aircraft Propulsion (6 hours)

6.1.Turbojet Engines

6.2.Turbofan Engines

6.3.Turboprop Engines

6.4.Overall Performance and Comparison

6.5.The Propulsion Efficiency

6.6.Variation of the Basic Gas Turbine Engine Cycle

Practicals:

1.Familiarization with Different Types of Turbo Machines

a.Demonstration of Turbine Parts and Components

b.Demonstration of Gas Turbine Engine System

2.Familiarization with Different Equipments and Components used in Turbo Machines

3.Gas Turbine Engine Study using Software (Computer Lab)

4.Demonstration of Aircraft Engine and Familiarization with Engine Parameters and Control

5.Familiarization with Tools used in Maintenance Operation of Gas Turbines

References:

1.Csanady , G.T., “Theory of Turbo machines”, McGraw Hill Book Co., New York.

2.Sorensen, H.A., “Gas Turbines”, The Ronald Press co., New York.

3.William W Perg, “Fundamentals of Turbomachinery”, John Wiley & Sons, Inc.

Evaluation Schemes:

The questions will cover all the chapters of the syllabus. The evaluation scheme will be as indicated in the table below.

 Unit Chapter Topics Marks 1 1 all 16 2 2 all 16 3 3 & 6 all 16 4 4 all 16 5 5 all 16 Total 80
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