The water vapor from a hot plane engine turns to ice mid-air which we see as white lines in the sky called contrails. Have you noticed the white trails that planes draw across the sky? the sky on a bright day, you can often see criss-crossing white lines left behind by aircraft. In short, contrails are formed when the water vapor in the exhaust from the plane's Military aviation has studied contrails in order to avoid them. When flying at high altitudes, jet engines exhaust extremely hot air and water vapor, among other things. The cold. Also, particles from partially burnt fuel form condensation cores wich stabilise the contrail and let it grow over time from humidity already present in the air. The air is so cold at these high altitudes that the water vapor coming out of the engine condenses into clouds. How does this affect the production of contrails exactly? Instead, they are caused by an incomplete combustion processes. Why do those long, white clouds form behind jets flying high overhead?
1 day ago · The trails in the wake of jets are mostly condensation, caused by the engine emitting hot, humid air into a cold atmosphere. That’s why they are called “contrails,” short for “condensation. Oct 30, Jet Planes Leave A White Trail Behind Them Because Days  · Sometimes you can’t see the plane, but you guess that a plane passed a short time before the tracks in the sky. These white lines can be intriguing to those who do not know the underlying reason. White Jet Planes Leave A White Trail Behind Them Because Word Contrails. These white lines are called “contrail” in aviation. Contrail is the abbreviation of the words “condensation” and “trail”. Apr 15,  · very cold air. As the jet contrail cools to the dew point or. frost point, the water vapor turns into water droplets, or more. often ice crystals, forming the visible contrail. Something similar.

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