Final answer:
Rotor blades in turbine engines are commonly attached to rotor disks using blade root attachment or bolted joints, both of which are designed to withstand high centrifugal forces.
Step-by-step explanation:
The question regards methods of attaching turbine engine rotor blades to rotor disks. There are several methods to achieve this, two of which include:
- Blade root attachment: The root of the blade has a specialized shape that fits into matching slots on the rotor disc. This can be a 'fir tree' or 'bulb' type root, which provides a secure mechanical interlock between the blade and the disk.
- Bolted joints: In some engines, the blades are bolted directly to the rotor disc. This method often uses bolts that pass through holes in the blade root and the rotor disc, which are then secured with nuts on the opposite side.