Analysis and Research on Dynamic Characteristics of Bulb Tubular Pumping Station Structure

Author:

Xiao Ye1,Ding Xiao Tang2

Affiliation:

1. East China Institute of Technology

2. Hohai Univercity

Abstract

This paper was combined with the third Huaian pumping station to study the dynamic characteristics of the bulb tubular pumping station. By using dynamic finite element analysis method to create Huaian pumping station modes. Then using ANSYS Model Analysis and harmonic response analysis, the vibration modes and dynamic response were researched deeply. According to the mode analysis results, the fundamental frequencies of upper pump house were determined for 1.36Hz and the fundamental frequencies of substructure were determined for 20.11Hz. The dynamic response of the bulb tubular pumping station structure under fluctuating pressures is calculated by ANSYS harmonic response analysis, and the results show that dynamic displacement satisfied the maximum allowable of architectural construction permission,so it can satisfy design requirement, which provides references value for other tubular pumping station in anti-vibration design.

Publisher

Trans Tech Publications, Ltd.

Subject

General Engineering

Reference8 articles.

1. Xin Wang, Tongchun Li, Shujun Pan. Vibration analysis of the pump-house of the third Huaiyin Pumping Station[J]. Advances in Science and Technology of Water Resources, 2008, 28(5): 49-53. (in Chinese).

2. Jinhui Ouyang, Research on structure vibration of Three Gorges Powerhouse [D]. China Institute of water resources and Hydropower Research, 2005. (in Chinese).

3. Zhengyue Ma, Yibo Wang, Yuxin Dong. Analysis on the generating unit vibration and its induction effect on the powerhouse and dam vibration in the Hongshi Hydro Station, [J]. Water Power, 2002, 1: 28-35. (in Chinese).

4. Jing Chen,Zhenyue Ma. Vibration analysis of power house due to the pressure pulsation of hydro-turbine[J]. Water Power, 2004. 30(5): 24-26 (in Chinese).

5. Ziming Zhang, Chengbin Du, Quan Jiang. Structural dynamics [M]. NanJing:Hohai University press, 2004. (in Chinese).

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