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Fluid Pressure Response at the Straight Pipe Outlet Under Random Axial Vibration

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成果类型:
期刊论文
作者:
Li, Wei*;Zhang, Huailiang;Qu, Wei
通讯作者:
Li, Wei;Zhang, HL
作者机构:
[Zhang, HL; Zhang, Huailiang; Li, Wei; Li, W] Cent South Univ, Coll Mech & Elect Engineer, Changsha 410083, Peoples R China.
[Qu, Wei] Univ South China, Sch Mech Engn, Hengyang 421001, Peoples R China.
[Zhang, HL; Zhang, Huailiang; Li, Wei; Li, W] Cent South Univ, State Key Lab High Performance & Complex Mfg, Changsha 410083, Peoples R China.
通讯机构:
[Zhang, HL ; Li, W] C
Cent South Univ, Coll Mech & Elect Engineer, Changsha 410083, Peoples R China.
Cent South Univ, State Key Lab High Performance & Complex Mfg, Changsha 410083, Peoples R China.
语种:
英文
关键词:
Straight pipe;Random axial vibration;Pressure response;Fluid-structure interaction
期刊:
IRANIAN JOURNAL OF SCIENCE AND TECHNOLOGY-TRANSACTIONS OF MECHANICAL ENGINEERING
ISSN:
2228-6187
年:
2023
基金类别:
The authors gratefully acknowledge the support of the Fundamental Research Funds for the Central Universities of Central South University (Grant No. 2021zzts0142), and the Natural Science Foundation of Hunan Province, China (Grant No. 2020JJ4736). [2021zzts0142]; Fundamental Research Funds for the Central Universities of Central South University [2020JJ4736]; Natural Science Foundation of Hunan Province, China
机构署名:
本校为其他机构
院系归属:
机械工程学院
摘要:
This paper investigates the fluid pressure response at the outlet of a vertical fluid delivery straight pipe under random axial vibration. Based on the classical fluid-structure interaction (FSI) 4-equation model and forced vibration theory, the FSI equations of motion of the pipe under random axial vibration are established. Then, the variance of the pressure response at the pipe outlet is solved by combining the pseudo-excitation method and the characteristic line method. The correctness of the proposed method is verified by comparing the results obtained by the proposed method with the Mont...

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