15AN61T: Aircraft Jet Engine Aero 6th Sem Syllabus for Diploma DTE Karnataka C15 Scheme

Aircraft Jet Engine detail DTE Kar Diploma syllabus for Aeronautical Engineering (AE), C15 scheme is extracted from DTE Karnataka official website and presented for diploma students. The course code (15AN61T), and for exam duration, Teaching Hr/week, Practical Hr/week, Total Marks, internal marks, theory marks, duration and credits do visit complete sem subjects post given below. The syllabus PDFs can be downloaded from official website.

For all other aero 6th sem syllabus for diploma c15 scheme dte karnataka you can visit Aero 6th Sem Syllabus for Diploma C15 Scheme DTE Karnataka Subjects. The detail syllabus for aircraft jet engine is as follows.

Pre-requisites:

Basic thermodynamics, Elements of Aeronautics, Basic Aerodynamics, Aircraft materials and Piston engine theory.

Course Objectives:

To enable the students to gain a thorough knowledge about the working of jet engines and to identify its components, their location and functions.

Course Outcomes:

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UNIT I: BASIC THEORY OF JET ENGINE, CLASSIFICATION AND BASIC THEORY OF JET ENGINE , TYPES OF JET ENGINES 10Hrs

1. Basic theory of jet propulsion: introduction
1. Principle of operation of jet engine
2. Equation of thrust
3. Comparison between gas turbine engine and reciprocating engine
4. Relation between pressure, velocity and thrust in a jet engine
2. Classification and Types of jet engines:
1. Turbo prop, turbo fan, turbo shaft, turbojet, ramjet , scramjet , pulse jet

UNIT II: INLET DUCTS, COMPRESSORS 10 Hrs

1. Inlet Ducts:
1. Inlet duct-purpose
2. Function of inlet-duct
3. Types of inlet -duct
4. Ram effect and efficiency
5. Effects on pressure, velocity and temperature of airflow
2. Compressors
1. Compressor-purpose
2. Constructional features
3. principles of axial flow and centrifugal flow
4. Functions of impellers, diffuser, rotor blades. Stator blade, inlet guide vane
5. Advantages and disadvantages of centrifugal and axial flow compressor
6. Compressor stalling and surging

UNIT III: COMBUSTION CHAMBER 7 Hrs

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UNIT IV: TURBINE, JET NOZZLE 9 Hrs

1. Turbines:
1. Turbine-purpose
2. Type of turbines and their functions
3. Construction and materials-turbine blades. Turbine disc, nozzle, guide vane
4. Principle and operation of- impulse, reaction turbines
5. Brief description of turbine blade to disc attachment
6. Blade creep
2. Jet Nozzle:
1. Jet exhaust- purpose
2. Thrust reversal system
3. Effect of thrust reverse operation
4. Noise suppression
5. Thrust augmentation methods

UNIT V: STARTING, IGNITION SYSTEM, BLEED CONTROL AND LUBRICATION SYSTEMS 10 Hrs

1. STARTING AND IGNITION SYSTEM
1. Methods of starting
2. Requirements of starting systems
3. Types of starting systems
2. Bleed Control:
1. Bleed control system: purpose
2. Internal cooling and sealing systems
3. External uses of bleed air
3. Lubrication System:
1. Lubrication systems-purpose
2. Requirements of gas turbine lubricants
3. Bearing and seals-purpose
4. Identification, constructional features operations of bearings and seals used in gas turbine engine

UNIT VI: MODERN DEVELOPMENT AND ENVIRONMENTAL EFFECT 6Hrs

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Reference Books:

1. A & P Technician power Plant Jeppesen FAA
2. Airframe & Power Plant Mechanics FAA FAA
3. Aircraft Gas Turbine Engine Treager Mc Graw Hill, India
4. Jet Engine Rolls Royce Rolls Royce

LIST OF SOFTWARES/ LEARNING WEBSITES:

1. https://en.wikipedia.org/wiki/Jetengine
2. http://inventors.about.com/library/inventors/blhowajetengineworks.htm
3. http://www.explainthatstuff.com/jetengine.html
4. https://www.youtube.com/watch?v=p1TqwAKwMuM
5. https://www.youtube.com/watch?v=KjiUUJdPGX0
6. https://www.youtube.com/watch?v=ON0sVe1ye

Suggested List of Student Activities:

Note: the following activities or similar activities for assessing CIE (IA) for 5 marks (Any one)

1. Each student should do any one of the following type activity or similar activity related to the course and before take up, get it approved from concerned Teacher and HOD.
2. Each student should conduct different activity and no repeating should occur

1. Make Visit to nearest display unit or museum ,observe the exhibits ,Submit hand written report of 500 words
2. Compare various types of commercial jet engines by collecting their brochures. Make comparative hand written report of 500 words
3. Compare various types of military jet engines by collecting their brochures. Make comparative hand written report of 500 words
4. Compare various types of materials used for hot end components of jet engines by collecting information or a visit to organizations dealing with materials . Make comparative hand written report of 500 words
5. Motivate student to take case study on air crashes or accidents due to failure of jet engines to inculcate self and continues learning, Submit hand written report of 500 words on selected case study

Model Question Paper:

(CIE)

1. Define propulsive device. Name various types of propulsive devices
2. Explain thrust equation
3. Explain supersonic inlet duct

Or
Explain centrifugal flow compressor with sketch

4. List the causes of compressor surge and compressor stall ? Describe how compressor surge or stall can be prevented? Or Explain the passage of air flow through the compressor stator vanes. Explain the passage of air flow through the compressor rotor blades

Note: Choice may be given at the same CL to the maximum extent of 10 marks.

Model Question Paper:

Note: Answer any SIX from PartA and any SEVEN from Part B

PART-A 6×5=30 marks

1. Define propulsive device. Name various types of propulsive devices
2. Explain the classification of jet engines.
3. List advantages and disadvantages of Ram jet.
4. Describe the purpose of inlet duct of the gas turbine engine ? Name different types of inlet ducts
5. Listthe requirements of a compressor ? Mention the different types of compressor
6. State the factors affecting the combustion chamber performances
7. Describe the purpose of starting system and its requirements
8. Define Variable area exit nozzle, High by-pass ratio turbo fan engine.
9. Explain air pollution ? What are the sources of air pollution and types of air pollution

PART-B 7×10 = 70

1. Explain thrust equation
2. Briefly explain principle of operation of jet engine
3. Explain supersonic inlet duct
4. Explain principle of axial flow compressor
5. Explain different types of combustion chambers
6. Explain reaction turbine and impulse turbine.
7. Explain turbine blade creep
8. Explain different types of thrust reverser
9. Explain capacitor discharge ignition system
10. Explain lubrication system with a block diagram

For detail syllabus of all other subjects of BE Aero, C15 scheme do visit Aero 6th Sem syllabus for C15 scheme.

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