Results 11 to 20 of about 23,488 (225)

Test and Numerical Simulation of Pressure Pulsation under the Forward and Reverse Working Conditions of a Horizontal Axial Flow Pump

Applied Sciences, 2022
In daily operation, the flow state in the runner chamber of an axial flow pump is extremely complex, and the pressure pulsation caused by the vibration of the unit and the hydraulic excitation is also extremely complex.
Yalei Bai, Donglei Wu
doaj   +2 more sources

Experimental research of pulsation pressure and hydrodynamic noise at the bow of underwater vehicle

Xibei Gongye Daxue Xuebao
The design of the bow of the underwater vehicle affects its hydrodynamic performance, and a better design can reduce the direct impact of water on the bow and thus reduce the hydrodynamic noise of the underwater vehicle.
HE Xing, HUANG Qiaogao, LU Bo, PAN Guang
doaj   +3 more sources

Experimental study of effects of buffer tank volume on pressure pulsation in valved linear compressor's pipe system at different frequencies

Xibei Gongye Daxue Xuebao
The valved linear compressor (VLC) is an essential part of the Joule-Thompson (J-T) throttling cryocooler in the liquid helium temperature region. The pressure pulsation may cause the fluctuation of the temperature and cooling capacity of the cryocooler,
HUANG Qi, DING Lei, SHA Xinquan, LI Zicheng, LIU Shaoshuai, JIANG Zhenhua, DONG Deping   +6 more
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Analysis of Pressure Pulsation Induced by Rotor-Stator Interaction in Nuclear Reactor Coolant Pump [PDF]

Shock and Vibration, 2017
The internal flow of reactor coolant pump (RCP) is much more complex than the flow of a general mixed-flow pump due to high temperature, high pressure, and large flow rate.
Xu Zhang, Pengfei Wang, Xiaodong Ruan, Zhongbin Xu, Xin Fu   +4 more
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Experimental Investigation of the Characteristics of Discharge Pressure Pulsation in a Twin-Screw Refrigeration Compressor

Zhileng xuebao
To explore the characteristics of pressure pulsation in a twin-screw refrigeration compressor, transient pressures during the suction, compression, and discharge phases were measured, and the pressure pulsation characteristics were subsequently analyzed.
Sun Shizhong, Zhou Minglong, Chen Wenqing, Wang Chuang, Xing Ziwen, Su Po Chia   +5 more
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Design and Characteristic Analysis of a New Type of Hydraulic Pulsation Suppressor [PDF]

E3S Web of Conferences, 2021
In order to decrease the pressure pulsation of high-pressure hydraulic system and speed up the process of high-pressure hydraulic system, a new type of hydraulic pulsation suppressor is designed.
Yuan Jun, Jiang Hang, Fang Zheng-yan, Wang Tian-sheng, Luo Zhi, Jiang Feng-xian, Yin Gui-hong   +6 more
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Influence of Solid-Liquid Two-Phase Flow on Pressure Pulsation Characteristics in Axial Flow Pump Unit

Renmin Zhujiang
Based on Euler multiphase model, RNG k-ε turbulence model, and SIMPLEC algorithm, a numerical simulation of solid-liquid two-phase flow in an axial flow pump was carried out to study the pressure fluctuation characteristics of the axial flow pump when ...
GUO Chu, WANG Danna, ZHANG Tao, WU Yue, ZHENG Yuan   +4 more
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Research Status, Critical Technologies, and Development Trends of Hydraulic Pressure Pulsation Attenuator

Chinese Journal of Mechanical Engineering, 2021
Hydraulic pumps are a positive displacement pump whose working principle causes inherent output flow pulsation. Flow pulsation produces pressure pulsation when encountering liquid resistance.
Yan Wang, Tongsheng Shen, Chunsen Tan, Jian Fu, Shengrong Guo   +4 more
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Experimental Investigation on the Effect of the Staggered Impeller on the Unsteady Pressure Pulsations Characteristic in a Pump

Energies, 2022
High−energy pressure pulsation induced by rotor−stator interaction (RSI) is the primary source of flow−induced vibration noise in the pump, affecting the pump’s stability and system operation. In order to find an effective method to suppress the pressure
Dan Ni, Feifan Wang, Bo Gao, Yang Zhang, Shiyuan Huang   +4 more
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Pressure Distribution on the Inner Wall of the Volute Casing of a Centrifugal Pump

Science and Technology of Nuclear Installations, 2022
In order to grasp the distribution characteristics of the pressure field on the inner wall of the volute casing of an atypical open impeller centrifugal pump, the instantaneous pressure at different operating conditions was experimentally measured under ...
Yu-Liang Zhang, Jin-Fu Li, Tao Wang, Jun-Jian Xiao, Xiao-Qi Jia, Li Zhang   +5 more
doaj   +1 more source