Question

Chin inlet sufferers from _____________

(a) foreign object ingestion problem

(b) shorter duct length

(c) duct length is shorter than the nose inlet

(d) typically good at high AOA

The question was asked in exam.

This question is from Propulsion in chapter Propulsion and Fuel System Integration of Aircraft Design

Answer 1

Correct option is (a) foreign object ingestion problem

Best explanation: Chin inlet is good at operating higher AOA. They offers advantages similar to nose but required duct length is shorter. One of the disadvantage of this type is foreign object ingestion. This good affect the performance of engine as well.