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Abstract
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Article Information:
Dynamic Response Analysis of Leaching Tube Used in Salt Cavern Gas Storage
Tongtao Wang, Xiangzhen Yan, Xiujuan Yang and Hongduan Huang
Corresponding Author: Tongtao Wang
Submitted: April 25, 2012
Accepted: May 13, 2012
Published: October 01, 2012 |
Abstract:
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Fluid-structure coupling finite element model is proposed to analysis the dynamic response of
leaching tube in the construction of salt cavern gas storage. The stress and deformation of leaching tube
induced by the carrying fluid flow are studied. Meanwhile, an experiment on the dynamic response of
plastic tube caused by carrying fluid flow is carried out to verify the calculation accuracy of the proposed
model. Experimental results prove that the finite element model proposed in the study has a high accuracy,
which can well characterize the stress and deformation of leaching tube under the action of fluid flow. The
errors between experimental and numerical results are about 5%, which can satisfy the engineering
accuracy demands. Excited pressure produced by fluid flow has significant effects on the stress and
deformation of leaching tube string, which is the main cause of tube damage. Therefore, low injected
freshwater velocity is proposed at the initial stage and then it is increased slowly. Moreover, rapidly
opening or closing the valve should be avoided.
Key words: Dynamic response, fluid-structure coupling, leaching tube, numerical simulation, underground salt cavern gas storage, ,
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Cite this Reference:
Tongtao Wang, Xiangzhen Yan, Xiujuan Yang and Hongduan Huang, . Dynamic Response Analysis of Leaching Tube Used in Salt Cavern Gas Storage. Research Journal of Applied Sciences, Engineering and Technology, (19): 3822-3829.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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