New answers tagged engine
10
votes
How big would a single propeller need to be on a 737?
As usual, we can use the simple momentum theory to quickly estimate the thrust $T$ generated by a propeller:
$ T = \sqrt[3]{2 k \rho A P^2} $
where $A$ is the propeller area, $\rho$ is the density and ...
- 9,599
2
votes
Accepted
How diesel fuel is injected into the cylinder of a diesel engine?
maybe a gradual injection of fuel during the power stroke will be helpful
That is correct. Modern diesel engines inject fuel gradually. The main purpose of this is to ensure a slower burn of the fuel ...
- 6,590
8
votes
How diesel fuel is injected into the cylinder of a diesel engine?
The fuel is injected at the top of the compression stroke, timed as you would time the firing of a spark plug. The fuel starts to burn as soon as it atomizes in the combustion chamber due to the ...
- 126k
0
votes
Accepted
How would a GE9X's react to ingesting a person?
I think it would depend significantly on the forward velocity of the aircraft at the time. Taking bird strikes as an analogy, the bird imparts a very high force to the blade over a short period of ...
- 5,508
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