INVESTIGATION OF DESIGN METHOD FOR PIPING SYSTEMS TO PREVENT ACOUSTIC FATIGUE IN PROCESS PLANTS

机译：过程系统中防止声疲劳的管道系统设计方法的研究

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Piping systems for steam or gases with a pressure reducing device can cause acoustically induced vibration, resulting in material fatigue failure in process plant. Numerical investigation using sound-structure interaction analysis has been done to find the possible solution to reduce the dynamic stress level in the piping structure. The result shows that reinforcing of the pipe structure such as use of circumferential stiffener rings change the structural characteristic and the maximum stress in the pipe wall. Structural natural frequency is applied to evaluate both effectiveness of reinforcement of pipe structure and the effectiveness of the increase of pipe wall thickness.

机译：带有减压装置的蒸汽或气体管道系统会引起声学振动，从而导致加工厂的材料疲劳失效。已经进行了使用声音-结构相互作用分析的数值研究，以找到减少管道结构中动态应力水平的可行解决方案。结果表明，对管结构的加固（例如使用周向加劲环）会改变结构特征和管壁中的最大应力。应用结构固有频率来评估管道结构的加固效果和增加管壁厚度的效果。

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来源
《2002 ASME Pressure Vessels and Piping Conference, Aug 5-9, 2002, Vancouver, British Columbia, Canada》|2002年|p.137-143|共7页
会议地点 Vancouver(CA)
作者
Itsuro HAYASHI; Teruo HIOKI; Hiroshi ISOBE;
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作者单位

Advanced Engineering Solutions Service, CHIYODA CORPORATION 3-13, Moriya-cho, Kanagawa-ku, Yokohama 221-0022, Japan;

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会议组织
原文格式 PDF
正文语种 eng
中图分类机械、仪表工业;
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2. Prevention of Acoustic Fatigue for Piping in Process Plant [J] . Itsuro Hayashi, Hiroshi Isobe アロマティックス . 2001,第0期

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3. Prevention of Acoustic Fatigue for Piping in Process Plant [J] . Itsuro Hayashi, Hiroshi Isobe アロマティックス . 2001,第0期

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4. INVESTIGATION OF DESIGN METHOD FOR PIPING SYSTEMS TO PREVENT ACOUSTIC FATIGUE IN PROCESS PLANTS [C] . Itsuro HAYASHI, Teruo HIOKI, Hiroshi ISOBE, ASME Pressure Vessels and Piping Conference . 2002

机译：管道系统设计方法研究，防止工厂声学疲劳
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INVESTIGATION OF DESIGN METHOD FOR PIPING SYSTEMS TO PREVENT ACOUSTIC FATIGUE IN PROCESS PLANTS

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