Plant with piping mounted on branch pipe and boiling water reactor plant
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United States of America Patent
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Mar 3, 2015
Grant Date -
Dec 3, 2009
app pub date -
May 28, 2009
filing date -
May 28, 2008
priority date (Note) -
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status (Latency Note)
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Abstract
A plant with piping mounted on branch pipe,
- wherein said piping which introduces gas has a nozzle portion as a joint portion to a vessel and a branch portion connected with a branch pipe; and wherein an enlarged passage portion is formed at least at one of said branch portion and said nozzle portion, and a passage sectional area of said enlarged passage portion is larger than that of said piping other than said enlarged passage portion. Since the flow velocity of the gas flowing inside slows down at the enlarged passage portion, the occurrence of acoustic resonance at the branch portion or the nozzle portion can be suppressed. Accordingly, the fluctuation pressure of the gas flowing in the piping can be reduced even more.
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