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The core stage comprises five major sections: the engine section, the liquid hydrogen (LH 2) tank, the intertank, the liquid oxygen (LO x) tank, and the forward skirt. These elements can be further divided into ten barrel sections, four domes, and seven rings, together forming the structure of the rocket stage. [6] The structure of the core stage
Animated sequence of how a bore evacuator works. A bore evacuator. A bore evacuator or fume extractor is a device which removes lingering gases and airborne residues from the barrel of an armored fighting vehicle's gun after firing, particularly in tanks and self-propelled guns.
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One supplies hydrogen gas to the liquid hydrogen tank and the other supplies oxygen gas to the liquid oxygen tank. They are used to maintain the ullage pressure in each tank during the launch. The LH 2 tank is the bottom [a] portion of the ET. The tank is constructed of four cylindrical barrel sections, a forward dome, and an aft dome.
A small amount of fuel in the tank leaves pumps on the floor of the tank exposed to the air-fuel mixture, and an electric pump is a potential ignition source. The explosion of a Thai Airways International Boeing 737 in 2001 and a Philippine Airlines 737 in 1990 also occurred in tanks that had a small amount of residual fuel. These three ...
WASHINGTON (Reuters) -The Justice Department late on Wednesday asked a U.S. appeals court to reject an emergency bid by TikTok to temporarily block a law that would require its Chinese parent ...
Infants Ashley and Allison, both of whom are U.S. citizens born in Houston, have been enduring pneumonia and bronchitis, often needing oxygen masks to breathe, since arriving to Mexico, Salazar ...
Methods of oxygen storage for subsequent use span many approaches, including high pressures in oxygen tanks, cryogenics, oxygen-rich compounds and reaction mixtures, and chemical compounds that reversibly release oxygen upon heating or pressure change. O 2 is the second most important industrial gas.