Questions tagged [combustion]
For questions specifically about the process of burning fuel.
5
questions with no upvoted or accepted answers
4
votes
0answers
78 views
Does/Can combustion instabilities occur in SCRAM jet?
I was told that combustion occurs at Supersonic speeds in SCRAM jet. So acoustic disturbances/ pressure fluctuations can't travel into incoming jet stream. Does this avoids combustion instabilities in ...
3
votes
0answers
163 views
Is the combustion process in turbofans and turboshafts different?
According to a journal paper, for a Gnome turboshaft engine, fuel-air equivalence ratio decreases as power output increases. However, for a CFM56 turbofan engine, the opposite trend is true, and ...
1
vote
0answers
61 views
What is a typical fuel temperature entering the burner for different mission flight points of a civil aircraft?
Is there a target regarding the fuel temperature that enters the turbine engine's combustion chamber and if so does it change with different operation flight points in civil aircraft applications?
Is ...
1
vote
0answers
87 views
When are pressure-swirl atomizers and airblast atomizers used?
I am a little confused as to when (during T/O, cruise, etc.) and how the combined pressure-swirl atomizer and airblast atomizer is used.
Lefebvre writes that "the merits of the pressure-swirl ...
1
vote
1answer
404 views
What is the fuel/air ratio of the CFM56-5A1 engine (in the A320 model)?
I could find the fan-bypass ratio, which was 6:1 (on some models 5:1) but I was unable to find the fuel to air ratio used in this engine. For reference, it is a high-bypass turbofan engine.
