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Drop tube information


In physics and materials science, a drop tower or drop tube is a structure used to produce a controlled period of weightlessness for an object under study. Air bags, polystyrene pellets, and magnetic or mechanical brakes are sometimes used to arrest the fall of the experimental payload. In other cases, high-speed impact with a substrate at the bottom of the tower is an intentional part of the experimental protocol.

Not all such facilities are towers: NASA Glenn's Zero Gravity Research Facility is based on a vertical shaft, extending to 510 feet (155 m) below ground level.

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Drop tube

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In physics and materials science, a drop tower or drop tube is a structure used to produce a controlled period of weightlessness for an object under study...

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Fallturm Bremen

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and includes a 122-metre-high drop tube (actual drop distance is 110 m), in which for 4.74 seconds (with release of the drop capsule), or for over 9 seconds...

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Pressure drop

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drop occurs when frictional forces, caused by the resistance to flow, act on a fluid as it flows through a conduit (such as a channel, pipe, or tube)...

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Silo

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silo, with an unloading tube next to the doors that has a series of removable covers down the side of the tube. The unloader tube and access doors are normally...

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Vacuum tube

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A vacuum tube, electron tube, valve (British usage), or tube (North America), is a device that controls electric current flow in a high vacuum between...

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Weightlessness

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day, the 2.2 Second Drop Tower can conduct up to twelve drops per day. NASA's Marshall Space Flight Center hosts another drop tube facility that is 105...

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YouTube

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Android platform. In September 2012, YouTube launched its first app for the iPhone, following the decision to drop YouTube as one of the preloaded apps in the...

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Tower

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industrial production: shot tower For surveying: Survey tower To drop objects: Drop tube (drop tower), bomb tower, diving platform To test height-intensive...

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Shot tower

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USA Katowice, Poland Bojárd, Hungary (1936-1938) Tata, Hungary (1939) Drop tube, a similar concept, but used for scientific experiments Prill, a small...

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Test tube

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A test tube, also known as a culture tube or sample tube, is a common piece of laboratory glassware consisting of a finger-like length of glass or clear...

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Tympanostomy tube

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Tympanostomy tube, also known as a grommet, myringotomy tube, or pressure equalizing tube, is a small tube inserted into the eardrum via a surgical procedure...

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Cessna 150

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windows in the lower half for better visibility; and a message drop tube, for dropping messages and other small items through the cabin floor to the ground...

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Free fall

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(ballistics) going up for some minutes, and then down). An object dropped at the top of a drop tube. An object thrown upward or a person jumping off the ground...

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Dropping funnel

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pressure equalizing tube pear shaped, graduated and ungraduated Pressure-equalizing dropping funnels have an additional narrow-bore glass tube from the bulb...

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Rectifier

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vacuum tube diode, but the gas in the tube ionized during forward conduction, giving it a much lower forward voltage drop so it could rectify lower voltages...

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Ledinegg instability

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especially in a boiler tube, when the boiling boundary is within the tube. For a given mass flux J through the tube, the pressure drop per unit length (which...

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Coagulase

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no clumping in the saline drop. If 'negative', no clumping will be observed. If the slide coagulase test is negative, a tube test should follow as a confirmation...

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London Underground

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Underground (also known simply as the Underground or by its nickname the Tube) is a rapid transit system serving Greater London and some parts of the adjacent...

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Mic drop

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A mic drop is the gesture of intentionally dropping one's microphone at the end of a performance or speech to signal triumph. Figuratively, it is an expression...

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Hot rod

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dropped tube axle, transverse front leaf spring, and front disc brakes. Deuce coupe featuring '32 grille shell, original headlights, chrome dropped I-beam...

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Dropping in

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Hawk Teaches How to Drop-in on Vert." [1] "How to: Drop In - Skateboard Trick Tip | skatedeluxe Blog". Retrieved 2020-09-05. YouTube video things to think...

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Bicycle frame

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because it consists of four tubes: the head tube, top tube, down tube and seat tube. The rear triangle consists of the seat tube joined by paired chain stays...

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Fluorescent lamp

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A fluorescent lamp, or fluorescent tube, is a low-pressure mercury-vapor gas-discharge lamp that uses fluorescence to produce visible light. An electric...

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Rivalta test

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test tube is filled with distilled water and acetic acid is added. To this mixture one drop of the effusion to be tested is added. If the drop dissipates...

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Beaver drop

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The beaver drop was a 1948 Idaho Department of Fish and Game program to relocate beavers from Northwestern Idaho to the Chamberlain Basin in Central Idaho...

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