Enviornmental System Flashcards
0
Q
Air cycle machine
A
Take air from compression section and cools it using a expansion
In large turbine
1
Q
Types of enviro systems
A
Air cycle machines
Vapor cycle machines
Exhaust manifold Heater
Combustion heater
2
Q
Vapor cycle machine
A
Uses evaporation of pressurized liquid refrigerant
Compressor uses some power and decreases performance
3
Q
Seminole systems
A
Fresh air- overhead vents provide fresh air for rear tail port to cabin
Heated air- provided by combustion heater in nose
4
Q
Seminole heater
A
C&D/janitorial heater
30-35000 btu
5
Q
C&D heater components
A
Ventilating air/heater blower assembly Combustion air blower Combustion air intake Combustion exhaust Cabin air intake 2 electric fuel pump
6
Q
Heater over temp light @
A
375
7
Q
Turn off heat in flight
A
Heater switch off
Air intake open for 15 second
8
Q
Heat off on ground
A
Heater switch fan for 2 min or when feel cold air
Air intake closed
