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Laser-induced break-up of water jet waveguide

WebMar 23, 2016 · A new analytical modeling approach has been attempted by representing the stable length of a water jet as a deformable solid dielectric beam to solve for the deflection of the jet under the action of the electric field. WebMar 18, 2004 · To study the laser-induced water jet break-up, observations of the jet coupled with the high power laser were performed for variable coupling and jet velocity conditions. Experimentally determined wavelength and growth rate of the laser-generated disturbance …

Numerical simulation of the stability of water fiber-optic in water jet …

WebJun 1, 2005 · The light of a He-Ne laser (5 mW) is focused into the water jet, which behaves as a multimode waveguide. The distribution of the light intensity in the jet impinging on a … WebJan 1, 2006 · Waterjet-guided laser machining is a novel process used for precision cutting and drilling of various materials and geometries. There are many noise factors in the process affecting the laser... seismic marketing content https://mikroarma.com

Laser-induced break-up of water jet waveguide - NASA/ADS

WebDec 10, 2024 · Laser magic. A laser beam causes a column of liquid to break into multiple uniform droplets. (See video below.) In inkjet technology, a stream of liquid under the influence of an electric field breaks into a … WebJun 18, 2024 · To investigate the interaction and erosion mechanisms between an ultrahigh-pressure water jet and the surface of Grade A marine steel, this study used the ANSYS FLUENT software to simulate the hydrodynamic characteristics of an ultrahigh-pressure water jet. To erode the Grade A marine steel, a water jet with ultrahigh-pressure (200 MPa, … WebNov 17, 2024 · Ultraviolet induced nanoparticle colloid jet machining is a new ultra-precision machining technology utilizing the reaction between nanoparticles and the surface of the workpiece to achieve sub-nanometer ultra-smooth surface manufacturing without damage. First-principles calculations based on the density functional theory (DFT) were carried out … seismic marketo integration

Removal Mechanism Investigation of Ultraviolet Induced …

Category:Laser-induced break-up of water jet waveguide - NASA/ADS

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Laser-induced break-up of water jet waveguide

Jetting and migration of a laser-induced cavitation bubble in a ...

WebJan 6, 2004 · In this article, an optical method to control the break-up of high-speed liquid jets is proposed. The method consists of focusing the light of a pulsed laser source into … WebSep 2, 2024 · A small bubble generated close to a sidewall of the channel develops only a single inclined jet during collapse. Such jets can reach velocities of up to 110 m s −1. A bubble displacement in contact with the sidewalls of the channels of 350 μm was observed during the first two oscillation cycles for a bubble with a maximum diameter slightly ...

Laser-induced break-up of water jet waveguide

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WebKucherenko studied the laser-induced bubble pulsation process between two parallel target plates, but it is challenging to capture the details of bubble rupture and jet formation in the laser bubble experiment. ... a nearby wall boundary. In free-field pulsation, spherical bubbles form during the expansion phase, with a high-speed water jet ... WebSep 27, 2024 · In this article the propagation and the intensity distribution of a laser beam coupled in a laminar waterjet at various coupling conditions such as jet diameter, velocity …

WebWe examined the theory of breakup of liquid jet by observing the temporal evolution of the modulation in the jet radius and also by comparing the experimentally and theoretically obtained capillary veloc- ities. Some examples of microfabrication techniques of func- tional capsules are also introduced in the latter section of this paper. 2.

WebDec 10, 2024 · A laser beam causes a column of liquid to break into multiple uniform droplets. (See video below.) In inkjet technology, a stream of liquid under the influence of an electric field breaks into a sequence of droplets. … WebAug 3, 2024 · Waterjet-guided laser (WJGL) machining is a hybrid process combining laser and waterjet. The laser beam is guided through a very thin cylindrical waterjet, and the machining zone is simultaneously cooled and cleaned by the pressurized water.

WebJun 18, 2024 · To investigate the interaction and erosion mechanisms between an ultrahigh-pressure water jet and the surface of Grade A marine steel, this study used the ANSYS …

WebJan 19, 2024 · A falling stream of water will naturally break up into droplets via the Plateau-Rayleigh instability. Those droplets are random, unless something like vibration seismic migration pptWebMar 9, 2024 · In this technology, the coupling of laser beam and micro-water jet directly determines the machining effect, and the prerequisite for successful coupling is the … seismic migration pdfhttp://article.sapub.org/10.5923.j.scit.20241101.01.html seismic migrationWeblaser-induced water jet break-up, observations of the jet coupled with the high power laser were performed for variable coupling and jet velocity conditions. Experimen-tally … seismic mitigationWebMay 1, 2024 · A typical water jet guided laser machine mainly comprises of a pressure water and shielding gas supply Sub-system, laser and cooling Sub-system, a CNC motion platform, and waterjet-gas-laser coupling head as shown in Fig. 3. Download : Download high-res image (544KB) Download : Download full-size image Fig. 3. seismic modal analysisWebOct 25, 2013 · This paper reports an optofluidic water-jet waveguide used for laser-induced fluorescence spectroscopy. In this common analytical technique, the sensitivity depends on the ratio between the fluorescent signal and the background signal. seismic modeling by demigrationWebA shock wave is a mechanical high-pressure pulse that travels inside a medium with a full width at half-maximum of a few nanoseconds that may be induced with a high-power … seismic modeling python