[Aircraft Mechanical and Electrical Equipment Maintenance] 2.Aero-Engine Structure and Principles
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Lesson Code: TCEN2025H024

Clicks:
Academic Hours
3.50hours
Publish Date
Nov 2025

Lecturer

1. Lecturer DU XiliZhangjiajie Institute of Aeronautical Engineering

2. Lecturer WEI KaiZhangjiajie Institute of Aeronautical Engineering

3. Lecturer WANG AjiuZhangjiajie Institute of Aeronautical Engineering

4. Lecturer GONG ZechuanZhangjiajie Institute of Aeronautical Engineering

5. Lecturer FAN JinjunZhangjiajie Institute of Aeronautical Engineering

6. Lecturer YU HongweiZhangjiajie Institute of Aeronautical Engineering

General Introduction
This course serves as a core transitional subject in aeronautical engineering, providing a systematic exposition of the gas turbine engine—from the Brayton thermodynamic cycle to the coordinated working mechanisms and structural designs of components such as the compressor,
combustion chamber, and turbine. It aims to establish a deep understanding of the intrinsic logic among principle, structure, and system, thereby laying an indispensable theoretical and technical foundation for engineering practices in aero-engine design, maintenance, and fault diagnosis.

This Course is for
1. Helping trainees systematically master the working principles, energy conversion processes, and structural characteristics of aero engines, particularly gas turbine engines.
2. Enabling trainees to accurately analyze the operational characteristics of the engine and its components, and develop a profound understanding of the intrinsic relationship between principle and structure.
3. Helping trainees lay a solid theoretical foundation for future engineering practices in design, maintenance, and fault diagnosis.

Learning Materials

1. Corresponding PPT
2. Online Course Video
3. Simulation Question Banks

Recognized By

Benefits of Learning

1. Being able to systematically understand the thermodynamic cycle, aerodynamic principles, and cooperative mechanisms among major components of gas turbine engines (including compressors, combustion chambers, and turbines), and to qualitatively analyze the influence of parameters such as rotational speed and altitude on engine performance.
2. Capable of accurately identifying key structural configurations of aero engines-including overall layout, rotor support systems, and major connections-while demonstrating a deep comprehension of the inherent logic that “principle determines structure, and structure realizes function.”
3. Possessing an initial capability in systems thinking and engineering analysis, being able to apply theoretical knowledge to basic performance estimations and logical reasoning of typical failures, thereby establishing a solid foundation for advanced professional work in engine design, manufacturing, maintenance, and fault diagnosis.

Courses Videos
1.1 Understand the basic components and working principle of aircraft engines.mp4play1.2 Differentiate the basic types of aircraft engines.mp4play1.3 Analyze the performance indicators and design indicators of aero engines.mp4play2.1 Understand the compressor structure.mp4play2.2 Differentiate axial flow compressors rotors.mp4play2.3 Be familiar with the connection between axial flow compressor rotor blades and the impeller drum.mp4play2.4 Understand the stator structure of axial flow compressor.mp4play2.5 Understanding the compressor anti-surge system .mp4play3.1 Understand the basic structure of gas turbines.mp4play3.2 Distinguish between turbine rotor disk-shaft connection and disk-disk connection.mp4play3.3 Be familiar with the connection between the turbine rotor blades and the disks.mp4play3.4 Understanding the turbine stator components.mp4play3.5 Understand turbine blades cooling.mp4play4.1 Understand the basic structure and working process of the main combustion chamber.mp4play4.2 Differentiate the basic types of the main combustion chambers.mp4play4.3 Understand the basic components of the main combustion chamber.mp4play5.1 Understanding the afterburner structure .mp4play5.2 Identify the basic components of the afterburner 1.mp4play5.3 Identify the basic components of the afterburner 2.mp4play6.1 Understand the basic structure of the engine tail nozzle.mp4play6.2 Understanding the engine thrust reversers.mp4play6.3 Understand the sources of engine noise and noise reduction measures.mp4play7.1 Understand the connection of engine rotors and couplings.mp4play7.2 Master the rotor support scheme for single rotor engines.mp4play7.3 Be familiar with the rotor support scheme of the dual rotor engine.mp4play8.1 Understand the engine fuel system.mp4play8.2 Understand the engine lubricating oil system.mp4play8.3 Be familiar with the engine starting and ignition system.mp4play

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