Sheet 1 Flashcards
Pressure
Reaction
Work
Constant pressure
A compressor and a turbine on a common shaft
Triple spool
The amount of fuel burned in one hour to give one pound of thrust
Helicopter Turbo Shaft
One system for each engine which cannot feed the other engine
A rotor and a stator
Can be run at higher speeds
Multi-spool, variable bleed valves and variable stator vanes
A shroud about 2/3rds up the blade to give it strength
Using servo fuel from the FCU
A combustor comprising of an inner section and outer section wrapped around the engine
Turbo Shaft
The most efficient ratio in which kerosene burns in air
Tertiary Creep
A twist in the blade from root to tip
Single Crystal
They have ‘‘Fir Tree’’ or ‘‘De Laval Bulb’’ roots
What type of turbine do small Auxillary Power Units use?
(a) Reaction blade axial
(b) Radial Inflow Turbines
(c) Multi-stage impulse reaction axial
(b) Radial Inflow Turbines