Results 11 to 20 of about 4,577 (305)

Comparative Study of Hydrodynamic Performance of Submerged Water Jet Propeller and Conventional Propeller Under Multiple Operating Conditions

open access: yesMachines
As global shipping accelerates toward a green and low-carbon transformation, submerged water jet propulsion has emerged as a promising alternative to traditional propellers due to its high speed efficiency, noise reduction, and adaptability.
Jiayi Li   +5 more
doaj   +2 more sources

Atmospheric and submerged bone cement erosion by a pulsating water jet with a straight tubular nozzle extension [PDF]

open access: yesScientific Reports
A pulsating water jet (PWJ) offers advantages over a continuous water jet, such as lower liquid volume flows and pressures for deeper cuts. However, traditional PWJ setups are unsuitable for minimally invasive surgeries due to their size.
Sergej Hloch   +7 more
doaj   +2 more sources

Hydraulics of submerged offset-jets

open access: yes, 2016
This study presents an experimental investigation of hydraulic characteristics of submerged offset jets. The instantaneous velocity was captured by an acoustic Doppler velocimeter (ADV). A total of 20 runs were carried out by varying different parameters: Reynolds number (2847580730), offset ratio (3.166.2), jet Froude number (1.93), submergence ...
Kishore, Galla Ravi, Dey, Subhasish
openaire   +4 more sources

Extraction replica method from thinned transmission electron microscopy samples without floating off carbon films: A case study on reduced activation steel. [PDF]

open access: yesJ Microsc
Abstract A recipe for producing carbon extraction replicas from twin‐jet electropolished disks is described. This technique allows tracking the analysed region with respect to the bulk sample. An example use of the method as applied to a reduced activation ferritic martensitic (RAFM) steel, ‘UK‐RAFM’, is reported.
Haley J   +3 more
europepmc   +2 more sources

Mixing at the External Boundary of a Submerged Turbulent Jet [PDF]

open access: yesPhysical Review E, 2009
We study experimentally and theoretically mixing at the external boundary of a submerged turbulent jet. In the experimental study we use Particle Image Velocimetry and an Image Processing Technique based on the analysis of the intensity of the Mie scattering to determine the spatial distribution of tracer particles.
Eidelman, A.   +6 more
openaire   +3 more sources

Distribution limit of jet flow in the same and dissimilar phases of ambient fluid [PDF]

open access: yesعلوم و مهندسی آبیاری, 2016
In this article we studied the distribution limits of jet injection in the same phase and dissimilar phase ambient. To achieve the proposes of this research a physical model was set upped consist of experimental flume and related accessories, circular ...
Samira Salman Zade, Javad Ahadian
doaj   +1 more source

Visualization and investigation of the erosion process for natural gas hydrate using water jet through experiments and simulation

open access: yesEnergy Reports, 2022
Natural Gas Hydrate (NGH) and Hydrate-bearing Sediments (HBS) are emerging as an important potential energy resource. Radial Jet Drilling (RJD) technology, turning sharply in the casing and drilling laterals by using water jet, is a valid approach to ...
Yiqun Zhang   +8 more
doaj   +1 more source

Heat transfer enhancement to a confined impinging synthetic air jet [PDF]

open access: yes, 2013
Heat transfer to confined, un-ducted and ducted impinging synthetic air jets is investigated experimentally. The influence of ducting on the cooling performance of synthetic air jets is of particular interest.
O'Donovan, Tadhg; id_orcid   +1 more
core   +1 more source

Numerical Research of the Submerged High-Pressure Cavitation Water Jet Based on the RANS-LES Hybrid Model

open access: yesShock and Vibration, 2021
The submerged high-pressure water jet has the characteristics of high velocity, strong turbulence, and severe cavitation. In order to reveal the formation mechanism of shear cavitation in the submerged high-pressure water jet and to grasp the turbulent ...
Yongfei Yang   +5 more
doaj   +1 more source

Experimental research on the performances of water jet devices and proposing the parameters of borehole hydraulic mining for oil shale.

open access: yesPLoS ONE, 2018
Oil shale is an unconventional energy source, and it is also a potential petroleum substitute. Nowadays, the energy shortage is becoming more and more prominent, oil shale has attracted the attention of energy researchers all over the world.
Jiwei Wen, Chen Chen, Urso Campos
doaj   +1 more source

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