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The water hammer principle can be used to create a simple water pump called a hydraulic ram. Leaks can sometimes be detected using water hammer. Enclosed air pockets can be detected in pipelines. The water hammer from a liquid jet created by a collapsing microcavity is studied for potential applications noninvasive transdermal drug delivery. [33]
Water hammer estimated at 10,000 pounds per square inch (69,000 kPa) struck the top of the reactor vessel propelling the entire reactor vessel upwards over 9 feet (2.7 m) in the air. One operator who had been standing on top of the vessel was killed when a shield plug impaled him and lodged in the ceiling.
If a steam explosion occurs in a confined tank of water due to rapid heating of the water, the pressure wave and rapidly expanding steam can cause severe water hammer. This was the mechanism that, in Idaho, USA, in 1961, caused the SL-1 nuclear reactor vessel to jump over 9 feet (2.7 m) in the air when it was destroyed by a criticality accident ...
Steam hammer was suggested as a possible cause. It is a phenomenon that can occur when cold water comes in contact with a hot steam pipe, causing the steam inside to condense into liquid water, resulting in multi-phase flow which can damage piping.
A fast-moving mass of water carries a great deal of kinetic energy, and in collision with the shell of the boiler results in a violent destructive effect. This can greatly enlarge the original rupture, or tear the shell in two. [4] Many plumbers, firefighters, and steamfitters are aware of this phenomenon, which is called "water hammer". A ...
On Aug. 12, 1985, 12 minutes after it took off from Tokyo, the plane experienced "an explosive decompression," which led to extensive damage and caused the plane to lose control and crash into ...
Water damage caused by ice or snow is generally covered, but you will want to consider that there are several ways for moisture to enter your home — and some may not be covered by your policy.
In August 1902, when maintenance was being carried out on the hydroelectrical power plant of Papigno , the closure of a water pipe caused its explosion and great damage to the plant. Allievi investigated the problem immediately thereafter and published his fundamental study on the water hammer problem the same year. He continued to study this ...
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