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Gas nozzle with vapor recovery Vapor (or vapour ) recovery is the process of collecting the vapors of gasoline and other fuels, so that they do not escape into the atmosphere. This is often done (and sometimes required by law) at filling stations , to reduce noxious and potentially explosive fumes and pollution.
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The gas expands adiabatically with low losses and hence high efficiency. The gas accelerates to a final exit velocity which depends on the pressure and temperature at entry to the nozzle, the ambient pressure it exhausts to (unless the flow is choked), and the efficiency of the expansion. [5]
The hot gas is at a higher pressure than the outside air and escapes from the engine through a propelling nozzle, which increases the speed of the gas. [ 2 ] Exhaust speed needs to be faster than the aircraft speed in order to produce thrust but an excessive speed difference wastes fuel (poor propulsive efficiency).
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Georgia O'Keeffe – Hands (1919) by Alfred Stieglitz. Georgia O'Keeffe – Hands, also known as Georgia O'Keeffe (Hands), is a black and white photograph taken by Alfred Stieglitz in 1919. It is part of a large group of more than 300 photographs that he took of the painter Georgia O'Keeffe, from 1917 prior to their 1924 marriage, through 1937.
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Typical plug-nozzle garden sprayer with a trigger-pull lever (at the back) to control the position of the plug and valve. Common garden hose trigger nozzles are a simple example of the plug nozzle and its method of operation. In this example the nozzle consists of a conical or bell shaped opening with a plug on a movable rod positioned in front ...