本文主要叙述阀碟与阀座之间所形成的流道对流体诱发振动影响的试验研究结果。

Paper concentrates on the results of the tests on the effects of the flow passage between valve head and diffuser on flow induced vibrations.

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调节阀的流体振动会造成阀杆疲劳断裂与阀碟的损坏，以及整个阀门及管道系统的共振。

Flow vibration in turbine control valve is the major consequences of valve stem rupture, valve disc damage as well as the resonance of valve and its pipings.

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阀由警戒装置、弹簧、阀碟、扣环和阀座组成，可以和许多管件连接，如缩径管接头、排水弯头等。

The valve consists of a guard cage, spring, valve disc, retaining ring and seat. It can be combined with pipe fittings such as reducing couplings, drain elbows, etc.

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