P Gas Turbine Design Flashcards
1
Q
What is the advantage of a single spool axial flow turbojet?
A
Efficient for high speed flight
2
Q
Equation for bypass ratio?
A
Bypass ratio = bypass/core flow
3
Q
What is the equation for bypass flow?
A
Total flow - core flow = bypass flow
4
Q
Where are P3/T3 located?
A
HP compressor outlet
5
Q
What is the benefit of centrifugal compressors?
A
Used to reduce engine length
6
Q
What is a free turbine?
A
No mechanical link between the gas generator and the propeller turbine, each element is free is free to rotate at optimum speed
