gas turbine combustion Flashcards
1
Q
Cobustion system
A
Where it mixes fuel the compressed air and burns it efficiently
- converts the rapidly expanded volume of air into a sturdy steam of uniformly heated gas flowing towards the turbines with minimum loss of pressure and no increase in pressure
- modern combusts can be 98%efficient
2
Q
Requirements for combustion
A
3
Q
Principle of operation
A
20% of the air is meant to feed the flame tube
4
Q
There are three types of blades
A
Impulse blade and reaction blade
5
Q
Impolse blade
A
nozzle guide vanes from convergent duct which accelerate the gas and reduce its pressure
6
Q
A