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Research on hydraulic optimization design method of water-jet propulsion pump considering hump index
In order to improve the efficiency of water-jet pump and reduce or eliminate the hump phenomenon, it is necessary to optimize the impeller design. In...
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Numerical Radiated Noise Prediction of a Pre-Swirl Stator Pump-Jet Propulsor
The requirement of low radiated noise is increasing for underwater propulsors as the noise significantly affecting the comfort and quietness of...
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Investigation of a Jet Pump with a Curvilinear Initial Section of the Mixing Chamber
AbstractCharacteristics and special features of jet pumps with a curvilinear initial section of the mixing chamber are considered. The advantages of...
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Energy and Exergy (2E) Analysis of a Jet Pump-Assisted Ejector Cooling System
In a modified ejector cooling system (MECS), the ejector is assisted by a jet pump that allows the MECS to operate at higher condenser pressure...
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Numerical study on transient hydraulic excitation force characteristics of a water jet mixed-flow pump during rapid startup period
Mixed-flow pumps have been widely used in water jet propulsion field. To ensure reliability and operation efficiency, it is necessary to investigate...
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Experimental and numerical investigation of the impacts of rotor tip-rake on excitation forces of pump-jet propulsors
The tip-clearance flow in a pump-jet propulsor exerts great impacts on the fluctuating pressures and resultant unsteady forces, which are important...
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A Technique to Estimate the Output of the Fluid Jet Pump Supply from a Tank Placed in a Deep Mine
AbstractFeatures typical for using a jet pump to lift fluid from a tank placed in a deep-level mine are considered. The paper proposes a technique to...
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Suction performance improvement of an annular jet pump by J-groove passage shape optimization
Jet pumps are special-purpose pumps without moving and rotating parts. The annular jet pump ( AJP ) is preferred for goods transportation over the...
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Experimental investigation of the flow characteristics of jet pumps for zero flow-ratio conditions
Experimental research was conducted on the performance curves and the cavity evolution for different flow and geometric parameters in jet pumps for...
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Flexible conductive patterns using electrohydrodynamic jet printing method based on high-voltage electrostatic focusing lens
To improve the resolution of printed patterns fabricated with PEDOT:PSS organic conductive polymer printing solutions by an electrohydrodynamic (EHD)...
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Homogeneous turbulence in a random-jet-stirred tank
We report an investigation into random-jet-stirred homogeneous turbulence generated in a vertical octagonal prism-shaped tank where there are jet...
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Cavitation mitigation via curvilinear barriers in centrifugal pump
Cavitation is a significant problem in hydraulic machinery that leads to the deterioration of hydraulic performance, material damage, and flow...
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Experimental Investigation of a Body Water Entry with a Water Jet Cavitator
This paper reports an experimental investigation on the flow of a water entry cavity formed with a water jet cavitator. To investigate the formation...
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Three Dimensional CFD Analysis of a Flow Amplifier with multiple Jet Pumps
Flow amplifiers are devices used for amplifying the inlet flow rate to many folds at the outlet. These devices work on the principle of jet pump...
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In situ experimental study on TBM excavation with high-pressure water-jet-assisted rock breaking
China’s first high-pressure hydraulically coupled rock-breaking tunnel boring machine (TBM) was designed to overcome the rock breaking problems of...
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Investigation on the wear characteristics of slurry abrasive flow to key passage parts of the pump body
The slurry abrasive water jet (S-AWJ) has the advantages of high cutting capacity and simple implementation process. However, the high-pressure...
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Technology to Reduce Environmental Impact of Jet Grouting Technology
Jet grouting technology has been applied worldwide since the 1970s to improve soft ground. This paper discusses the reduction of environmental impact...
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Analytical Prediction of the Jet Force in Pelton Turbine
Energy generation through hydropower has become increasingly important in our quest for clean, renewable energy. The turbines in the hydropower have...
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Lear Jet Corporation (1963–1966)
Although not considered realistic, the target date for Lear Jet first flight was to be on Bill Lear’s birthday on June 26, 1963. Within about 50 days...
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Novel soft robotic finger model driven by electrohydrodynamic (EHD) pump
In summary, this work has pioneered the integration of an EHD robotic finger that incorporates a flexible rubber sheet embedded with soft EHD pumps....