Such engines work like an afterburning turbojet until well past Mach 1, after which ducts bypass the turbojet and redirect the ram-compressed airflow into the afterburner, making the engine behave like a ramjet [source: Ward]. Missile designs, meanwhile, gradually did away with boosters by ...
If you stick your hand out of a car window while moving, you'll experience a very simple demonstration of drag at work. The amount of drag that your hand creates depends on a few factors, such as the size of your hand, the speed of the car and the density of the air. If you wer...
In a supersonic combustion ramjet, or scramjet, an air inlet draws in air. The air is slowed and compressed as the vehicle speeds through the atmosphere. Fuel is added to the supersonic airflow, where the two mix and burn. Fuels most likely to be used with the air-breathing rockets ...
In a ramjet, the incoming air is slowed down to below subsonic levels by the diffuser. It makes use of oblique shock waves to slow the flow down, followed by a final normal shock wave to bring it below subsonic speeds. Since the amount of thrust generated depends on the speed of the e...
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Ramjets have the advantage of being “throttleable,” able to slow down for range efficiency while retaining the ability to surge to maximum speeds during the terminal phase to improve odds of a kill. However, ramjet propulsion is more expensive and complicated than adding an additional solid...
A ramjet, however, doesn't use a compressor. Instead, the airplane builds up speed, which forces air through forward-facing vents in the engine. In this model, the aircraft's speed naturally compresses the air necessary for combustion. Now that we've covered engines, let's get some ...
Ramjets have the advantage of being “throttleable,” able to slow down for range efficiency while retaining the ability to surge to maximum speeds during the terminal phase to improve odds of a kill. However, ramjet propulsion is more expensive and complicated than adding an additional solid...
A ramjet, however, doesn't use a compressor. Instead, the airplane builds up speed, which forces air through forward-facing vents in the engine. In this model, the aircraft's speed naturally compresses the air necessary for combustion. Now that we've covered engines, let's get some ...