What is the primary purpose of the diffuser and distributor on the LM2500 GTE?

Official USCG Answer & Rule Citation

Correct Answer: Option C — To provide uniform airflow to the combustor

The diffuser and distributor assembly is critical for managing the high-velocity air exiting the compressor. Its primary function is to reduce air velocity and increase static pressure, ensuring a uniform, stable airflow into the combustor section. This uniformity is essential for efficient combustion and preventing localized hot spots in the turbine.

Advertisement