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On the Propagating Buckle and Its Arrest


Kyriakides, Stelios (1980) On the Propagating Buckle and Its Arrest. Dissertation (Ph.D.), California Institute of Technology. doi:10.7907/c81x-nk02.


If an offshore pipeline locally buckles in the presence of sufficiently large external pressure, a propagating buckle is initiated. The buckle propagates along the pipeline until it encounters a region of adverse conditions -- low pressure or an arresting device. The lowest pressure at which a buckle propagates is defined as the Propagation Pressure. An experimental study of this quantity is presented and a semiempirical expression derived by examining various models of the phenomenon. The dynamics of the Propagating Buckle are also examined and a parametric study of the steady state velocity of Propagation is carried out. A systematic way of empirically deriving the parametric dependence of arresting devices is presented and experimental results of two such arrestors are discussed. During this study a unique "flip-flop" mode of propagation was discovered and studied. An explanation of the phenomenon is also attempted.

Item Type:Thesis (Dissertation (Ph.D.))
Subject Keywords:Aeronautics
Degree Grantor:California Institute of Technology
Division:Engineering and Applied Science
Major Option:Aeronautics
Thesis Availability:Public (worldwide access)
Research Advisor(s):
  • Babcock, Charles D.
Thesis Committee:
  • Unknown, Unknown
Defense Date:14 April 1980
Funding AgencyGrant Number
US. Dept. of EnergyUNSPECIFIED
American Petroleum InstituteUNSPECIFIED
Record Number:CaltechETD:etd-10292003-134840
Persistent URL:
Default Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:4300
Deposited By: Imported from ETD-db
Deposited On:30 Oct 2003
Last Modified:16 Apr 2021 22:30

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PDF (Kyriakides_s_1980.pdf) - Final Version
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