GAS TURBINE ENGINE ROTOR ASSEMBLY OPTIMIZATION

摘要

A method for optimizing a rotor assembly for a gas turbine engine is disclosed. The rotor assembly includes rotating parts including a first journal and one or more rotor disks. The method includes determining vector components for a total parallelism vector for each rotating part, determining a total parallelism sum including determining a magnitude of each total parallelism vector and adding the magnitudes into a single sum, and determining a minimum value for the total parallelism sum including selecting the rotor disk build angles and the second journal build angle that result in the smallest value for the total parallelism sum.

主权项

1. A method for optimizing a rotor assembly for a gas turbine engine, the rotor assembly including rotating parts including a first journal and one or more rotor disks being stacked sequentially onto the first journal, the method comprising:
determining vector components for a total parallelism vector for each rotating part, the total parallelism vector includes a parallelism magnitude and angle for a rotor stack of rotating parts up to and including the rotating part; determining a total parallelism sum including
determining the parallelism magnitude of each total parallelism vector, andadding the parallelism magnitudes into a single sum; and determining a minimum value for the total parallelism sum including
selecting the rotating disk build angles and the second journal build angle that result in the smallest value for the total parallelism sum.