Flutter and Forced Response of a Cantilevered Pipe: The Influence of Internal Pressure and Nozzle Discharge

A physically based is provided for the description of the lateral internal forces in a vertical cantilevered pipe conveying an incompressible fluid. This is a basic ingredient for the study of the bending oscillations of the pipe. When there is a nozzle at the free end of the pipe, the additional co...

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Bibliographic Details
Published inJournal of fluids and structures Vol. 8; no. 2; pp. 139 - 156
Main Authors Ilgamov, M.A., Tang, D.M., Dowell, E.H.
Format Journal Article
LanguageEnglish
Published London Elsevier Ltd 01.02.1994
Elsevier
Subjects
Exact sciences and technology
Fundamental areas of phenomenology (including applications)
Physics
Solid mechanics
Structural and continuum mechanics
Vibration, mechanical wave, dynamic stability (aeroelasticity, vibration control...)
Vibrations and mechanical waves
Fluttering
Incompressible flow
Pipe flow
Dynamic stability
Jets
Cantilever
Chaotic systems
Internal pressure
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Summary:A physically based is provided for the description of the lateral internal forces in a vertical cantilevered pipe conveying an incompressible fluid. This is a basic ingredient for the study of the bending oscillations of the pipe. When there is a nozzle at the free end of the pipe, the additional contraction of the downstream jet is taken into account. A concentrated force applied force applied to the pipe end and to the downstream jet is also considered. A comparison is presented with previously known models used in the literature. Finally, a flutter analysis is undertaken to demonstrate the effect of internal pressure and nozzle discharge, and the results are compared to experimental and previous theory.
ISSN:0889-9746
1095-8622
DOI:10.1006/jfls.1994.1007