Results 61 to 70 of about 455,298 (254)
Rock Breaking Performance of TBM Disc Cutter Assisted by High-Pressure Water Jet
Applied Sciences, 2020 A high-pressure water jet can break rock efficiently, which is of great potential to overcome the problems of a tunnel boring machine (TBM) in full-face hard rock tunnel digging, such as low digging efficiency and high disc cutter wear rate.
Fengchao Wang +4 more
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SPH-FEM simulation of concrete breaking process due to impact of high-speed water jet
AIP Advances, 2021 The process of concrete breaking by a high-speed water jet was simulated in this study based on the coupled method of smoothed particle hydrodynamics and the finite element method. The Riedel–Hiermaier–Thoma constitutive model was adopted to describe the
Ran Yu +4 more
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International Journal of Emerging Technology and Advanced Engineering, 2021 Water jet cutting has been an extremely helpful tool that creates flawless parts with tolerances up to 0.1 mm. During the cutting process, it is important to note that each step must be optimized to create the best finish or maintain the correct tolerance zone. These steps are composed of abrasive mass flow rate, traverse speed, and standoff distance.
openaire +1 more source
Atmospheric Circulation of Brown Dwarfs: Jets, Vortices, and Time Variability [PDF]
, 2014 A variety of observational evidence demonstrates that brown dwarfs exhibit active atmospheric circulations. In this study we use a shallow-water model to investigate the global atmospheric dynamics in the stratified layer overlying the convective zone on
Showman, Adam P., Zhang, Xi
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HIGH PRESSURE WATER JET EFFECT ON THE PROPERTIES OF COAL WINNING MACHINE CUTTING COAL
Jixie qiangdu, 2018 To explore the damage of water jet to coal wall,built up the finite element calculation model of water jet breaking coal,applying software ANSYS/ls-dyna is used to numerically simulate the process of water jet breaking coal,the results show that the coal
ZHAO LiJuan, MAO Zhen
doaj
Void Fraction Measurment Beneath a Stationary Breaking Wave [PDF]
, 1998 Impedance based techniques have been used to quantify air entrainment by a stationary breaking wave at the bow of a ship. The present paper describes an impedance based void fraction meter which was developed to make measurements in this high speed ...
Brennen, Christopher E. +2 more
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Applied SciencesDuring the underwater movement of a submarine, cooling water at a specific temperature is discharged into the surrounding water through nuclear reactor secondary loop circulation, creating a thermal jet. Thermal jets are characterized by initial velocity
Chengzhe Gao +4 more
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Experimental study on the breaking of A-IX-2 explosive by submerged cavitation water jet
, 2021 Y X Zhang +3 more
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The Exomars Climate Sounder (EMCS) Investigation [PDF]
, 2011 The ExoMars Climate Sounder (EMCS) investigation is developed at the Jet Propulsion Laboratory (Principal Investigator J. T. Schofield) in collaboration with an international scientific team from France, the United Kingdom and the USA.
Allen, M. A. +21 more
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Water masers in the massive protostar IRAS 20126+4104: ejection and deceleration
, 2005 We report on the first multi-epoch, phase referenced VLBI observations of the water maser emission in a high-mass protostar associated with a disk-jet system.
Brand +22 more
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