15.14 Flashcards
What 3 groups can engine indication be divided into?
Performance, system, trends
Engine trend monitoring data is recorded by what in flight?
Aircraft condition monitoring system
What does mechanical dynamic analysis check for?
Failures in rotor system
What does the oil consumption analysis monitor?
When oil reaches a certain level
What are engine rotate speeds always indicate in?
% of 100
What does EPR stand for?
Engine pressure ratio
What is used for the EPR ratio?
Total pressure at turbine outlet / total pressure at fan inlet
What does EGT stand for?
Engine gas temperatures
What temperature can the EGT display?
600-900
Where it it hard to measure temperature and what temperature can it reach?
Turbine inlet, 1400
What do engine vibration sensors measure?
Radial acceleration of rotor system
What unit measure fuel?
Kg or tons
What does the fuel flow transmitter measure?
Mass flow of fuel between fuel control unit and fuel nozzles
How do modern fuel flow transmitters create their energy?
The fuel itself
What does EIU stand for?
Engine interface unit
