This two-part review article presents an overview of mechanics of pipes conveying fluid and related problems such as the fluid-elastic instability under conditions of turbulence in nuclear power plants. In the first part, different types of modeling, dynamic analysis, and stability regimes of pipes conveying fluid restrained by elastic or inelastic barriers are described. The dynamic and stability behaviors of pinned-pinned, clamped-clamped, and cantilevered pipes conveying fluid together with curved and articulated pipes will be discussed. Other problems such as pipes made of viscoelastic materials and active control of severe pipe vibrations are considered. This part will be closed by conclusions highlighting resolved and nonresolved controversies reported in literature. The second part will address the problem of fluid-elastic instability in single- and two-phase flows and fretting wear in process equipment such as heat exchangers and steam generators. Connors critical velocity will be discussed as a measure of initiating fluid-elastic instability. Vibro-impact of heat exchanger tubes and the random excitation by the cross-flow can produce a progressive damage at the supports through fretting wear or fatigue. Antivibration bar supports used to limit pipe vibrations are described. An assessment of analytical, numerical, and experimental techniques of fretting wear problem of pipes in heat exchangers will be given. Other topics related to this part include remote impact analysis and parameter identification, pipe damage-induced by pressure elastic waves, the dynamic response and stability of long pipes, marine risers together with pipes aspirating fluid, and carbon nanotubes conveying fluid.
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June 2010
Technology Review
Overview of Mechanics of Pipes Conveying Fluids—Part I: Fundamental Studies
R. A. Ibrahim
R. A. Ibrahim
Fellow ASME
Department of Mechanical Engineering,
Wayne State University
, Detroit, MI 48202
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R. A. Ibrahim
Fellow ASME
Department of Mechanical Engineering,
Wayne State University
, Detroit, MI 48202J. Pressure Vessel Technol. Jun 2010, 132(3): 034001 (32 pages)
Published Online: May 18, 2010
Article history
Received:
November 20, 2009
Revised:
January 12, 2010
Online:
May 18, 2010
Published:
May 18, 2010
Citation
Ibrahim, R. A. (May 18, 2010). "Overview of Mechanics of Pipes Conveying Fluids—Part I: Fundamental Studies." ASME. J. Pressure Vessel Technol. June 2010; 132(3): 034001. https://doi.org/10.1115/1.4001271
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