Nonlinear Stabilities of Lateral Vibrations of a Pipe Conveying Fluid : In Case of a Pipe with a Spring Supported End(Mechanical Systems)
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- YAMASHITA Kiyotaka
- Fuculty of Engineering, Fukui University of Technology
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- AJIRO Junji
- 慶應義塾大学理工学研究科
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- MOTOKI Arata
- 慶應義塾大学理工学研究科
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- HIROSE Yuuki
- 慶應義塾大学理工学研究科
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- YABUNO Hiroshi
- 慶應義塾大学理工学部
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- YOSHIZAWA Masatsugu
- 慶應義塾大学理工学部
Bibliographic Information
- Other Title
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- 内部流による弾性送水管の非線形横振動 : 管下端がばね支持されている場合の非線形安定性(機械力学,計測,自動制御)
- 内部流による弾性送水管の非線形横振動(管下端がばね支持されている場合の非線形安定性)
- ナイブリュウ ニ ヨル ダンセイ ソウスイカン ノ ヒセンケイ オウ シンドウ カン カタン ガ バネ シジ サレテ イル バアイ ノ ヒセンケイ アンテイセイ
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Abstract
The lateral vibration of a cantilevered flexible pipe with a spring supported end mass, which is self-excited by an internal fluid flow, is examiend theoretically and experimentally. It is well known that the velocity of the internal flow is near the critical value, above which the flutter-type instability occurs in the lateral vibration of the pipe. First, the complex amplitude equations are derived from the basic equation of the lateral pipe vibrations. The amplitudes of lateral pipe vibrations may undergo either a supercritical pitchfork bifurcation or a subcritical pitchfork bifurcation, depending on the spring constant of the spring support. Furthermore the displacements of the pipe were measured by the image processing system, which was based on the images from two CCD cameras. The typical feature of the self-excited pipe vibration, as predicted by the theory, was confirmed qualitatively.
Journal
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- TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C
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TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series C 76 (762), 236-243, 2010
The Japan Society of Mechanical Engineers
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Details 詳細情報について
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- CRID
- 1390001206387224448
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- NII Article ID
- 110007574825
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- NII Book ID
- AN00187463
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- ISSN
- 18848354
- 03875024
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- NDL BIB ID
- 10598927
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- Text Lang
- ja
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- Data Source
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- JaLC
- NDL
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed