Techniques to reduce the pressure loss of marine globe valves

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概要

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• Globe valves are usually used in constant direction. However, globe valves are sometimes used for the reverse flow recently, and then we investigated the loss pressure coefficient on reverse flow and direct flow. As a result, we got the techniques to reduce the pressure loss. And we evaluated the performance of globe valves with designed valve delivery by numerical analyses. The conclusions can be summarized as follows: (1) Loss coefficient of globe valve is remarkably reduced from 6.02 to 4.90 by redesigning the valve delivery. (2) However, the redesigned valve suction does not have such effects.

著者

• 伊飼 通明

  (独法) 海上技術安全研究所大阪支所

• 畑中 哲夫

  (株) 栗本鐵工所

関連論文

• Techniques to reduce the pressure loss of marine globe valves

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