Questions tagged [inlet]
Also known as intake, is an opening that feeds air to an engine, air conditioning system, oil cooler, etc.
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What are the merits of an inlet cone/spike/centerbody vs. a 2D inlet?
And which is better for a scramjet?
Is a 2D inlet basically a "2D cone"? Similar to how an aerospike engine is made "2D" in the linear aerospike?
What's inside the cone/spike? Or is it just hollow?
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Which supersonic airplanes use Pitot Air intakes?
Which supersonic (fighter) airplanes use the simple Pitot Air Intakes / Normal Shock Inlets?
Two examples already seen here on Aviation.SE (one and two) are
Dassasult Rafale ($Ma \leq 1.8$)
Image ...
user12485
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How does inlet spillage drag produce a lip suction effect?
From this page:
Spillage drag, as the name implies, occurs when an inlet "spills" air around the outside instead of conducting the air to the compressor face. The amount of air that goes through ...
user14897
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Why are the intakes of some fighters not attached to the fuselage?
Look at the photo below. As you can see the intake isn't attached to the fuselage. Why? Other examples include the F-16, F-22, and F/A-18 Hornet.
(F/A-18E Super Hornet Walk Around)
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Why are turbofan inlets leaned/angled forward?
(Image Source: Wikipedia)
Seeing that everything is radially symmetric (apart from the nacelle mount, naturally), I wonder why the inlet (the front part of the nacelle) is usually skewed?
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If the intake of a running jet engine is blocked for some short duration what would be the sequence of events following it?
If the intake of a running jet engine is blocked for some short duration what would be the sequence of events following it? Will it cause any damage to the engine parts?
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What type of supersonic intake does the Dassault Rafale fighter jet have?
What type of supersonic intake does the Dassault Rafale use? Is it a Pitot Intake? It cannot be a Ramp Intake, nor can it be a Spike Intake / Cone Intake, and it does not seem as a Diverterless ...
user12485
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What is the function of the holes in splitter plates?
Do the holes in splitter plates reduce the boundary layer, or do they serve a different function such as acoustic/vibration damping?
Many splitter plates have a series of holes drilled into the ...
user14897
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Why are turbofan inlets circular- or oval-shaped instead of square-shaped?
Source: materialsengineeringconsultant.com and initious.blogspot.com.
Most of the engines are circular except for some that are oval. The oval shape provides a better ground clearance.
Why aren't ...
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What is the difference between side-by-side vs under-cockpit engine intakes?
What is the main difference between these two engine configurations?
What are the differences between planes that have the intakes below the cockpit as compared to those who have them on the sides?
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What is the purpose of the vertical splitter and the NACA duct at the MQ-9 Reaper engine scoop?
The engine scoop/intake on the MQ-9 features a vertical splitter at the inlet face, as well as another smaller NACA duct on the top cowl surface just aft of the inlet lip.
I am guessing the former ...
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Why do the intake of some helicopters have a bump body?
Not all but the intake of many helicopters have a bump body. Why? e.g.
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What drives the shape of an engine's intake on a fighter jet?
Rectangular intakes have more corners which might increase subsonic pressure losses and would weigh larger than a pitot (Semi-circular) type intake. Are the designer drivers solely based on supersonic ...
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What is the working principle of gravel kits?
In this answer gravel kits are mentioned. I then looked at the wikipedia page and I noticed that they are quite different from what I was expecting:
I was expecting some kind of "shield", plate or ...
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How can an F-22 Raptor reach supersonic speeds without having supersonic inlets?
The F-22 Raptor and some other jets do not have inlet spikes, yet they are able to achieve supersonic speeds. How is that possible?
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How does a long inlet affect a jet engine's performance?
How, for example, would the long inlet of the tail-engine on an MD-11 or an L-1011 affect its thrust production/performance, if at all?
(Source)
I am not well versed in fluid dynamics, so any ...
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What is the temperature of intake air at several speed of sound intervals from 1x to 10x?
I watched a YouTube movie about Reaction Engines development of the Sabre engine which main feature is cooling intake air. However, I cannot find an overview of the temperature of intake air at ...
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