Numerical Simulation Research on Flow-Induced Vibration Characteristics of Fluid-Conveying Pipe Network

Liu Shiwen; He Ronghui; Yang Zhao; Wang Jiarui; Chen Shuang; Lai Jianyong; Li Yi

doi:10.13832/j.jnpe.2022.01.0187

Volume 43 Issue 1

Feb. 2022

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Article Navigation > Nuclear Power Engineering > 2022 > 43(1): 187-191

Liu Shiwen, He Ronghui, Yang Zhao, Wang Jiarui, Chen Shuang, Lai Jianyong, Li Yi. Numerical Simulation Research on Flow-Induced Vibration Characteristics of Fluid-Conveying Pipe Network[J]. Nuclear Power Engineering, 2022, 43(1): 187-191. doi: 10.13832/j.jnpe.2022.01.0187

Citation:

Liu Shiwen, He Ronghui, Yang Zhao, Wang Jiarui, Chen Shuang, Lai Jianyong, Li Yi. Numerical Simulation Research on Flow-Induced Vibration Characteristics of Fluid-Conveying Pipe Network[J]. Nuclear Power Engineering, 2022, 43(1): 187-191. doi: 10.13832/j.jnpe.2022.01.0187

Citation:

Liu Shiwen, He Ronghui, Yang Zhao, Wang Jiarui, Chen Shuang, Lai Jianyong, Li Yi. Numerical Simulation Research on Flow-Induced Vibration Characteristics of Fluid-Conveying Pipe Network[J]. Nuclear Power Engineering, 2022, 43(1): 187-191. doi: 10.13832/j.jnpe.2022.01.0187

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Numerical Simulation Research on Flow-Induced Vibration Characteristics of Fluid-Conveying Pipe Network

doi: 10.13832/j.jnpe.2022.01.0187

Science and Technology on Reactor System Design Technology Laboratory, Nuclear Power Institute of China, Chengdu, 610213, China

Received Date: 2020-11-26
Rev Recd Date: 2021-06-22
Publish Date: 2022-02-01

Abstract

Abstract

To study flow-induced vibration characteristics of pipeline system for pipeline optimization design, two-way fluid-structure interaction numerical simulation for the typical fluid-conveying pipe network with various fluid excitation was conducted based on Ansys Workbench, and the flow-induced vibration characteristics of the pipeline structure were obtained. The effects of excitation type, medium temperature, flow field structure and natural frequency of structure on the fluid-induced vibration characteristics in the pipe were analyzed and discussed. The results show that the structural amplitude of pipeline under excitation of pulsating flow is significantly larger than that under constant flow. When the frequency of fluid excitation is close to the natural frequency of the pipeline structure, the structure and fluid tend to resonate, leading to increased structural vibration. By applying constraint support at the appropriate position of the pipeline, the natural frequency of the structure is far away from the fluid excitation frequency, which can effectively reduce the vibration of the pipeline. In addition, the medium temperature and flow velocity have a great influence on the structural amplitude.
- Fluid excitation,
- Fluid-conveying pipe network,
- Two-way fluid-structure interaction,
- Fluid-induced vibration,
- Ansys Workbench

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References

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