Vibration transients of reservoir-pipe-valve system caused by water hammer

• Autorzy: Miao Yang , Jiang Yuncheng , Qiu Zaihui , Pan Jun , Wang Lu , Han Zhenrong , Li Kun , Zhang Li , Zhang Xiaolu

Identyfikatory

DOI

10.15632/jtam-pl/127288

• Języki publikacji: EN

Abstrakty

EN

A severe oscillation, accompanied with an abnormal “click” sound, of a fuel feeding pipe system during valve closing, when the feeding flowrate reaches a certain value, is observed experimentally. A fluctuation model in which stiffness and damping coefficients of the vibration system are time varying is proposed. Each coefficient is composed of two parts, one of which is constant and the other is time varying. Based on this model, simulation transients of the vibration displacement, velocity and pressure in the pipe are presented. Simulations of the pressure transients are compared with experimental data detected by pressure transducer, which shows that both have fluctuations in the transient process at a large flowrate.

Słowa kluczowe

EN

reservoir-pipe-valve system (RPV system); water hammer; vibration; transients

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2020
• Tom: Vol. 58 nr 4
• Strony: 1037--1048
• Opis fizyczny: Bibliogr. 26 poz., rys.

Twórcy

autor

Miao Yang

• College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China
• Beijing Key Laboratory of Advanced Manufacturing Technology, Beijing University of Technology, Beijing, China

autor

Jiang Yuncheng

• College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China

autor

Qiu Zaihui

• College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China

autor

Pan Jun

• Nanjing Electromechanical Hydraulic Engineering Center, Nanjing, China

autor

Wang Lu

• Nanjing Electromechanical Hydraulic Engineering Center, Nanjing, China

autor

Han Zhenrong

• Nanjing Electromechanical Hydraulic Engineering Center, Nanjing, China

autor

Li Kun

• China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen, China

autor

Zhang Li

• China Nuclear Power Technology Research Institute Co., Ltd., Shenzhen, China

autor

Zhang Xiaolu

• College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology, Beijing, China

Bibliografia

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