Erosion results from interactions between the pipe surface and fluids traveling along the surface. Fluid-structure interactions have a profound influence on the erosion that takes place. The location, rate and extent of thinning or loss of a protective surface film depend strongly on the nature of the flow regime and interactions. Erosion-corrosion involves the modification, thinning and removal of protective films composed of corrosion product or scale deposits from a susceptible metal surface by fluid shear stress under high turbulence conditions. In the paper, multi-scale simulation of fluid-structure interactions between the flow and the protective films on the pipe surface is presented. The fluid shear stress and pressure of the flow in a pipe with a step is obtained by macro-fluid dynamic analysis. Viscous forces and the system’s pressure impose forces to the surface of the pipe. Using micro-simulation method, the fluid-structure interactions between the flow and the protective films is modeled. The deformation of the protective films is shown and changed with the different velocity and flow regime. Using the multi-scale simulation of fluid-structure interactions, the location, rate and extent of the erosion on the pipe surface can be predicted. The results are proved by the actual instances.
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ASME 2008 Pressure Vessels and Piping Conference
July 27–31, 2008
Chicago, Illinois, USA
Conference Sponsors:
- Pressure Vessels and Piping
ISBN:
978-0-7918-4827-2
PROCEEDINGS PAPER
Multi-Scale Simulation of Fluid-Structure Interaction Induced Erosion on the Pipe Surface
Ping Tang,
Ping Tang
Zhejiang University, Hangzhou, Zhejiang, China
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Jian Yang,
Jian Yang
Zhejiang University, Hangzhou, Zhejiang, China
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Jinyang Zheng,
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
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Guofu Ou,
Guofu Ou
Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
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Shizheng He,
Shizheng He
Zhejiang University, Hangzhou, Zhejiang, China
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Rongren Wu,
Rongren Wu
Zhejiang University, Hangzhou, Zhejiang, China
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Chikong Lam,
Chikong Lam
University of California - Berkeley, Berkeley, CA
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Yanbao Ma
Yanbao Ma
University of California - Los Angeles, Los Angeles, CA
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Ping Tang
Zhejiang University, Hangzhou, Zhejiang, China
Jian Yang
Zhejiang University, Hangzhou, Zhejiang, China
Jinyang Zheng
Zhejiang University, Hangzhou, Zhejiang, China
Guofu Ou
Zhejiang Sci-Tech University, Hangzhou, Zhejiang, China
Shizheng He
Zhejiang University, Hangzhou, Zhejiang, China
Rongren Wu
Zhejiang University, Hangzhou, Zhejiang, China
Chikong Lam
University of California - Berkeley, Berkeley, CA
Yanbao Ma
University of California - Los Angeles, Los Angeles, CA
Paper No:
PVP2008-61022, pp. 369-376; 8 pages
Published Online:
July 24, 2009
Citation
Tang, P, Yang, J, Zheng, J, Ou, G, He, S, Wu, R, Lam, C, & Ma, Y. "Multi-Scale Simulation of Fluid-Structure Interaction Induced Erosion on the Pipe Surface." Proceedings of the ASME 2008 Pressure Vessels and Piping Conference. Volume 4: Fluid-Structure Interaction. Chicago, Illinois, USA. July 27–31, 2008. pp. 369-376. ASME. https://doi.org/10.1115/PVP2008-61022
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