< Jet Propulsion
The moving parts of the jet engine. The turbomachinery blades are mounted on a number of Rotors.
disks
The disks provide structural fixing and resist the radial and axial forces generated by the airfoils in the fans. compressors, turbines.
Functional requirements
Disk Mechanics
Numerical Design
Example: 600m/s Tip speed turbine at 200 C
Centrifugal compressors
Axial compressor durms and stiffeners
Fan
Blade-off failure analysis
Bird Impact
Fatigue
Disk fracture
Clearance control
shafts
Shafts connect the functional parts and transfer forces from turbines to fans and compressors and to bearings.
Torque
Thrust
Whirling
Gyroscopic effects
Multi shaft Dynamics
Materials, Manufacturing and Assembly
bearings
The rotors are supported on bearings.
Functional requirements
Loading, Overloading, service life, lubrication
Plain bearings
Roller and ball bearings
Air bearings
Thrust bearings
Bearing lubrication and cooling
Seals
The pressure differentials between different rotating parts are maintained by seals.
Dynamic seals
Labyrinth Seals
Brush seals
Gas Pistons
Engine force balance
Takeoff
Cruise
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