scour depth beneath a pipeline undergoing forced vibration

Clicks: 225
ID: 205742
2015
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Abstract
This paper studies the coupling effect of the pipeline vibration on the seabed scour. A vertical two-dimensional model is applied to numerically investigate the local scour below a vibrating pipeline with different amplitudes and periods. Using the scour underneath a fixed pipeline as a reference, this paper focuses on the impact of the pipeline vibration on the equilibrium scour depth. Generic relationships are established between the non-dimensional scour depth and the non-dimensional vibrating parameters, i.e., amplitude and frequency. The normalization process takes into account the influences of such parameters as the incoming flow velocity, pipe diameter, and Shields parameter. An empirical formula is proposed to quantify these relationships.
Reference Key
luan2015theoreticalscour Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors ;Y. Luan;D. Liang;R. Rana
Journal Veterinary world
Year 2015
DOI
10.1016/j.taml.2015.03.002
URL
http://www.sciencedirect.com/science/article/pii/S2095034915000239
Keywords
vibration scour numerical models civil engineering (general)

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