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A Butterworth cover (also Butterworth hatch and Butterworth plate) is a hatch on the deck of a cargo vessel that is used to seal a small opening that admits to the space below. [1][2] In oil tankers and other marine vessels used for transporting fluid products, there are small service openings though the deck into each tank to allow access for ...
Automated tank cleaning machines work in a manner similar to an irrigation sprinkler but are highly-engineered to deliver increased force. Water forced through rotary jet nozzles rotates the device on a dual axis, creating a 360° cleaning pattern. As the water sprays, the liquid is pumped out of the tank. [5]
Crude oil washing (COW) is washing out the residue from the oil tanker using the crude oil cargo itself, after the cargo tanks have been emptied. Crude oil is pumped back and preheated in the slop tanks, then sprayed back via high pressure nozzles in the cargo tanks onto the walls of the tank. Due to the sticky nature of the crude oil, the oil ...
The most commonly used nozzle is the de Laval nozzle, a fixed geometry nozzle with a high expansion-ratio. The large bell- or cone-shaped nozzle extension beyond the throat gives the rocket engine its characteristic shape. The exit static pressure of the exhaust jet depends on the chamber pressure and the ratio of exit to throat area of the ...
Ocean secrets. The newly discovered seamount off the coast of Chile is 3,109 meters or 1.9 miles tall. - Schmidt Ocean Institute. Many of the world’s highest mountains aren’t visible on land ...
The modified F-16 demonstrated a maximum speed of Mach 2.0 (Mach 2.0 is the F-16's clean certified maximum speed) and handling characteristics similar to a normal F-16. Subsonic specific excess power was slightly improved. The trade studies involved additional CFD, testing, and weight and cost analyses.
Spray nozzles can have one or more outlets; a multiple outlet nozzle is known as a compound nozzle. Multiple outlets on nozzles are present on spray balls, which have been used in the brewing industry for many years for cleaning casks and kegs. [2] Spray nozzles range from those for heavy duty industrial uses to light duty spray cans or spray ...
The first generation of post World War II Main Battle Tanks includes the U.S. M48/M60, the German Leopard 1 and the British Centurion and Chieftain. The second generation includes most of the 120 mm Main Battle Tanks such as the American M1A1, the German Leopard 2 and the British Challenger.
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