BACKFLOW

作品数:25被引量:34H指数:4
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相关领域:理学更多>>
相关作者:申俊杰张红李会然程新路张宝龙更多>>
相关机构:天津理工大学西安外国语大学四川大学更多>>
相关期刊:《原子能科学技术》《风机技术》《Transactions of Nonferrous Metals Society of China》《Plasma Science and Technology》更多>>
相关基金:国家自然科学基金国家重点基础研究发展计划The Royal Society中国航空科学基金更多>>
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Cross Contamination in Oral Health Care: A Potential Public Health Risk—The Phenomenon of Biological Fluid Backflow: An Experimental Study
《Advances in Infectious Diseases》2024年第4期857-872,共16页Houda Habibi Alaoui Amina Gharibi Mohammed Timinouni Nadia Zaim 
In oral health care, the spread of harmful infectious agents from the oral cavity is a constant concern. The aim of this study was to evaluate the possibility of cross-contamination between patients due to the backflo...
关键词:Cross Contamination AEROSOLS Dental Unit Waterline(s) Back-Contamination 
Identification of Backflow Vortex Instability in Rocket Engine Inducers
《风机技术》2024年第5期7-18,共12页Luca d’Agostino 
Bayesian estimation is applied to the analysis of backflow vortex instabilities in typical three-and four bladed liquid propellant rocket(LPR)engine inducers.The flow in the impeller eye is modeled as a set of equally...
关键词:Aerospace Propulsion Liquid Propellant Rockets LPR Feed Turbopumps Turbopump Flow Instabilities BackflowVortex Instability Bayesian Parametric Identification 
Understanding intrarenal backflow: Intrarenal pressure during ureteroscopy and beyond
《Asian Journal of Urology》2024年第2期139-142,共4页Palle J.S.Osther Susanne S.Osther Maria P.Hesselholt Sofia Byllov Søren K.Lildal Louise F.Øbro Helene Jung 
The number of ureterorenoscopic procedures for upper urinary tract stone management has increased dramatically during recent years worldwide[1].Developments in flexible ureteroscope and laser technology have made it p...
关键词:BEYOND LIKELY URETER 
A Numerical Study on the Effect of the Backflow Hole Position on the Performances of a Self-Priming Pump
《Fluid Dynamics & Materials Processing》2024年第5期1103-1122,共20页Dongwei Wang Lijian Cao Weidong Wang Jiajun Hu 
the National Natural Science Foundation of China(Research Project No.52169018).
A self-priming pump is a centrifugal pump that has the ability to prime itself. Typically, its performance dependson the configuration of its reflux hole. In this study, the ANSYS FLUENT software is used to investigat...
关键词:Self-priming pump self-priming time numerical calculation gas-liquid two-phase flow 
Wear dependent virtual flow rate sensor for progressing cavity pumps with deformable stator
《Petroleum Science》2024年第2期1346-1353,共8页Jens Müller Sebastian Leonow Johannes Schulz Christian Hansen Martin Monnigmann 
Funding by Ministerium für Wirtschaft,Innovation,Digitalisierung und Energie des Landes Nordrhein-Westfalen。
This contribution presents a novel wear dependent virtual flow rate sensor for single stage single lobe progressing cavity pumps. We study the wear-induced material loss of the pump components and the impact of this m...
关键词:BACKFLOW Progressing cavity pump Virtual sensor WEAR 
Backflow Transformation for A=3 Nuclei with Artificial Neural Networks
《原子能科学技术》2023年第4期673-678,共6页YANG Yilong ZHAO Pengwei 
Supported by National Key R&D Program of China (018YFA0404400);National Natural Science Foundation of China (12070131001,11875075,11935003,11975031,12141501)。
A novel variational wave function defined as a Jastrow factor multiplying a backflow transformed Slater determinant was developed for A=3 nuclei.The Jastrow factor and backflow transformation were represented by artif...
关键词:nuclear many-body problem quantum Monte Carlo artificial neural network backflow transformation 
Hydraulic fluctuations during the pump power-off runaway transient process of a pump turbine with consideration of cavitation effects被引量:6
《Journal of Hydrodynamics》2021年第6期1162-1175,共14页Xiao-long Fu De-you Li Hong-jie Wang Yong-guang Cheng Xian-zhu Wei 
Projects supported by the National Natural Science Foundation of China(Grant No.52079034).
A runaway transition after the pump power interruption and the simultaneous guide vane servomotor failure is one of the most dangerous and complex transitions for a pumped storage power system(PSPS).This paper analyze...
关键词:Pumped storage power system pump power-off runaway transient fluctuation behavior local backflow CAVITATION 
Numerical investigation of the effect of T-shaped blade on the energy performance improvement of a semi-open centrifugal pump被引量:1
《Journal of Hydrodynamics》2021年第4期736-746,共11页Li-ke Wang Jin-ling Lu Wei-li Liao Peng-cheng Guo Jian-jun Feng Xing-qi Luo Wei Wang 
Projects supported by the National Natural Science Foundation of China (Grant Nos.51879216, 52079108, 51679196 and 51839010).
The tip leakage flow formed by the tip clearance of a semi-open centrifugal pump adversely affects the energy performance and the energy waste. A T-shaped blade is proposed to be used to improve the energy characteris...
关键词:Centrifugal pump tip leakage flow entropy production BACKFLOW 
Research on active arc-ignition technology as a possible residual-energy-release strategy in electromagnetic rail launch
《Plasma Science and Technology》2021年第8期167-174,共8页Xiyuan CAI Sai TAN Junyong LU Xiao ZHANG Yun GUO 
supported in part by National Natural Science Foundation of China(Nos.51522706,51877214,51607187);in part by the National Basic Research Program of China(973 Program)(No.613262)。
In order to solve the problem of the original residual energy release strategy being unsuitable for high-energy and fast-firing electromagnetic rail launch,this work has explored the applicability of active arc-igniti...
关键词:muzzle arc initial disturbance guidance device arc ablation BACKFLOW 
Three-dimensional distinct element modeling of fault reactivation and induced seismicity due to hydraulic fracturing injection and backflow被引量:8
《Journal of Rock Mechanics and Geotechnical Engineering》2020年第4期752-767,共16页Zirui Yin Hongwei Huang Fengshou Zhang Lianyang Zhang Shawn Maxwell 
supported by the Key Innovation Team Program of Innovation Talents Promotion Plan by Ministry of Science and Technology of China(Grant No.2016RA4059);National Natural Science Foundation of China(Grant Nos.41672268 and 41772286)。
This paper presents a three-dimensional fully hydro-mechanical coupled distinct element study on fault reactivation and induced seismicity due to hydraulic fracturing injection and subsequent backflow process,based on...
关键词:Induced seismicity Fault reactivation Hydraulic fracturing BACKFLOW Geomechanical modeling Distinct element method 
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