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What is the white smoke coming from jets?
In short, contrails are formed when the water vapor in the exhaust from the plane’s engines condenses into water droplets, which then freeze into ice particles composing a line-shaped cloud. The impurities in the jet exhaust form some of the particles on which water droplet grow, before freezing.
What is the tip of an airplane wing called?
wingtip
A wing tip (or wingtip) is the part of the wing that is most distant from the fuselage of a fixed-wing aircraft. Because the wing tip shape influences the size and drag of the wingtip vortices, tip design has produced a diversity of shapes, including: Squared-off.
What is wing Vapor?
Wingtip vortices are circular patterns of rotating air left behind a wing as it generates lift. One wingtip vortex trails from the tip of each wing. Careful selection of wing geometry (in particular, wingspan), as well as of cruise conditions, are design and operational methods to minimize induced drag.
Why do jet cars smoke so much?
The outlet of the engine is fitted with a special fuel line that carries raw diesel fuel to a ring-like burner inside the outlet. This dumping of raw diesel fuel into the burner creates flames and smoke that make for some very special effects. If the afterburner mode is used, the fuel is consumed even faster.
Why do b52 engines smoke?
Water injection in the J57 turbojet engines produced extra power for takeoff but caused large amounts of unburned fuel to leave the engine in the exhaust, producing large amounts of black smoke which the subsequent aircraft would also have to go through in order to take off successfully.
Where does the air go in a jet engine?
[Figure 15-2] Air enters the engine, passes through the fan, and splits into two separate paths. Some of it flows around—bypasses the engine core, hence its name, bypass air. The air drawn into the engine for the gas generator is the core airflow.
Where does the expansion take place in a jet engine?
Part of the expansion of the burned gases takes place in the turbine section of the jet engine providing the necessary power to drive the compressor, while the remainder of the expansion takes place in the nozzle of the tail pipe in order to accelerate the gas to a high velocity jet thereby producing thrust. [Figure 15-1]
How is the thrust of a jet engine determined?
Operating the Jet Engine In a jet engine, thrust is determined by the amount of fuel injected into the combustion chamber. The power controls on most turbojet-and turbofan-powered airplanes consist of just one thrust lever for each engine, because most engine control functions are automatic.
What kind of engine propels a jet aircraft?
The exhaust from the turbines provides the thrust that propels the aircraft. The turbojet shown in figure 10.1(a) is called a twin-spool engine. The low-pressure compressor is driven by the low-pressure turbine,…