labyrinth seals造句
造句與例句
手機(jī)版
- Because these labyrinth seals are non-contact, they do not wear out.
- Options include a centrifugal liquid ring seal and a non-contacting inert gas purged labyrinth seal that eliminates leakage.
- Many gas turbine engines, having high rotational speeds, use labyrinth seals due to their lack of friction and long life.
- A "'labyrinth seal "'is a type of bearing to help prevent the leakage of the oil lubricating the bearing.
- For labyrinth seals on a rotating shaft, a very small clearance must exist between the tips of the labyrinth threads and the running surface.
- The turbine blades expanded, however, contacting the honeycomb labyrinth seals and allowing the metal to scrape together when the engine overheated, with zero core rotation.
- Labyrinth seals are also found on pistons, which use them to store oil and seal against high pressure during compression and power strokes, as well as on other non-rotating shafts.
- A labyrinth seal may be composed of many grooves that press tightly inside another axle, or inside a hole, so that the fluid has to pass through a long and difficult path to escape.
- The " teeth " of the labyrinth seal may be on the rotating shaft ( Teeth On Rotor-TOR ) or on the stator ( TOS ), or both, in an interlocking configuration.
- Labyrinth seals on rotating shafts provide non-contact sealing action by controlling the passage of fluid through a variety of chambers by centrifugal motion, as well as by the formation of controlled fluid vortices.
- It's difficult to see labyrinth seals in a sentence. 用labyrinth seals造句挺難的
- In a report that took more than a year to prepare, the National Transportation Safety Board blamed the May 27, 1993, crash on " the loss of engine power due to failure in the second-stage turbine labyrinth seal ."
- The labyrinth seal-- a steel ring hidden deep in the engine between spinning turbine blades-- posed a threat known by the engine's manufacturer more than two years before the Life Flight copter crashed, according to federal documents obtained by The Kansas City Star in May.
- Because liquid-filled labyrinth seals still generate heat due to the viscosity of the seal oil, and because seal oil can contaminate the process fluids, modern high-performance gas turbines use dry gas seals which use spring-loaded rings with an inert gas in between the faces of the rings to provide the seal.
- The seal provided by a threaded pipe joint depends upon multiple factors : the labyrinth seal created by the threads; a positive seal between the threads created by thread deformation when they are tightened to the proper torque; and sometimes on the presence of a sealing coating, such as thread seal tape or a liquid or paste pipe sealant such as pipe dope.
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