Results 41 to 50 of about 295,394 (292)

Investigation of Unsteady Pressure Pulsation in New Type Dishwasher Pump with Special Double Tongue Volute

open access: yesShock and Vibration, 2022
Through numerical simulations, this work analyzes the unsteady pressure pulsation characteristics in new type of dishwasher pump with double tongue volute and single tongue volute, under volute static and rotation conditions.
Jinfeng Zhang   +5 more
doaj   +1 more source

Mathematical models of gear rattle in Roots blower vacuum pumps [PDF]

open access: yes, 2006
This paper is concerned with the modelling of gear rattle in Roots blower vacuum pumps. Analysis of experimental data reveals that the source of the noise and vibration problem is the backlash nonlinearity due to gear teeth losing and re-establishing ...
Wilson, RE   +12 more
core   +1 more source

Session B2: VisAdvies Protocol for Testing and Evaluating Pumping Station Pumps on Fish Survivability [PDF]

open access: yes, 2015
Presenting Author Bio: Hendry Vis works in the Netherlands at VisAdvies for seven years as a project leader. He is specialized in telemetry projects.
Vis, Hendry   +3 more
core   +2 more sources

Deep Learning-Based Intelligent Fault Diagnosis Methods Toward Rotating Machinery

open access: yesIEEE Access, 2020
Fault diagnosis of rotating machinery plays a significant role in the industrial production and engineering field. Owing to the drawbacks of traditional fault diagnosis methods, such as heavily dependence on human knowledge and professional experience ...
Shengnan Tang, Shouqi Yuan, Yong Zhu
doaj   +1 more source

Synthesis of phase-locked counter-phase modulated pumps for SBS-suppressed fiber parametric amplifiers

open access: yes, 2010
We propose and experimentally demonstrate a new all-optical technique for the generation of two optical pumps with oppositely varying carrier phases for mitigating SBS in parametric amplifiers without phase-dither transfer from pumps to ...
J. Kakande   +9 more
core   +1 more source

Early Body Mass Index z‐Score Change and Resolution of Severe Malnutrition in Children With Sickle Cell Anemia in a Low‐Income Setting: A Prospective Single‐Arm Extension Study

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Background Children with sickle cell anemia (SCA) in low‐income settings are at risk of severe malnutrition, but optimal nutritional management has not been established. We evaluated an intensified ready‐to‐use therapeutic food (RUTF) regimen in children with persistent severe malnutrition after initial treatment and assessed whether early ...
Safiya Gambo   +9 more
wiley   +1 more source

The comparative transient prediction on hydrodynamic characteristics and flow field properties of pump-jets with accelerating and decelerating ducts

open access: yesScientific Reports
Pump-jet holds a pivotal position in various marine applications, underscoring the need for comprehending their transient behavior for the purpose of design enhancement and performance refinement.
Yunkai Zhou   +4 more
doaj   +1 more source

Research on Vertical SEC Centrifugal Pump Multi-Fault Diagnosis Based on WPT–SVM

open access: yesEnergies, 2023
To diagnose common failures in vertical Essential Service Water Pumps (SEC), a method combining the wavelet packet transform (WPT) and the support vector machine (SVM) was adopted.
Rongsheng Zhu   +6 more
doaj   +1 more source

Impact of Radiation Therapy on Physical and Psychosocial Health of Adolescents and Young Adults: A Joint Report From the Children's Oncology Group AYA and Radiation Oncology Committees

open access: yesPediatric Blood &Cancer, EarlyView.
ABSTRACT Rates of cancer among adolescents and young adults (AYA), age 15–39 years, are increasing. Consequently, radiation oncologists are treating more AYAs who have diagnoses spanning both pediatric and adult practices. Compared to pediatric and older adult patients, AYAs face a unique set of challenges.
Hesham Elhalawani   +7 more
wiley   +1 more source

Research on the Hydrodynamic Noise Characteristics of a Mixed-Flow Pump

open access: yesJournal of Marine Science and Engineering, 2023
This study presents a comprehensive investigation of the internal noise characteristics of a mixed-flow pump by combining computational fluid dynamics (CFD) and computational acoustics. The turbulent flow field of the pump is simulated using the unsteady
Qiaoyue Yang   +6 more
doaj   +1 more source

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