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Breakup process of liquid jet in gas film

WebDec 10, 2024 · The capillary wave enables the liquid-gas interface to serve as a rotating mirror reflecting the laser beam in a wide range of angles, including the critical angle for total internal reflection. ... The jet breakup process locks in at the frequency corresponding to the peak growth rate of the Rayleigh-Plateau instability of the liquid jet ... WebJan 1, 2024 · A two-phase Large Eddy Simulation (LES) has been conducted to investigate breakup and atomization of a liquid jet in a cross turbulent flow in a rectangular duct. …

Initial breakup of a small-diameter liquid jet by a high-speed gas ...

WebJun 1, 2024 · The gas film broke at different positions from the top of the jet column, and the small bubbles and droplets were released from the surface of the liquid film into the water. However, the jet velocity of the penetrating liquid decreased under the drag force from water body; for the next stage, the separated vapor bubbles were formed rapidly ... WebMar 12, 2024 · Published 12 March 2024. Physics. Physics of Fluids. In this study, the effects of the bubble on the liquid jet breakup process were investigated using a high-speed camera. The liquid jet containing bubbles revealed a considerable decrease in the breakup length when compared with the water jet without bubbles, which promoted the … エケコ人形 願い事 書き方 https://horseghost.com

LIQUID JET BREAKUP IN QUIESCENT ATMOSPHERE: A REVIEW

WebBased on research into jets in supersonic crossflow carried out by the authors’ team over the past 15 years, this book summarizes and presents many cutting-edge findings and analyses on this subject. It tackles the complicated mixing process of gas jets and atomization process of liquid jets in supersonic crossflow, and studies WebFeb 26, 2024 · The breakup of droplets in a high-speed air stream is investigated experimentally and theoretically. This study is based on experiments conducted by exposing pendant droplets to a high-speed air jet, which allowed for imaging of the droplets at high temporal and spatial resolutions while maintaining a large field of view to capture the … WebJet breakup It has been postulated that jet breakup is the result of aerodynamic interaction between the Hquid and the ambient gas. Such theory considers a column of Hquid emerging from a circular orifice into a surrounding gas. The instabiHty on the Hquid surface is examined by using first-order linear theory. A small perturbation is imposed on the … panasonic 60 tv dimensions

CFD MODELLING OF LIQUID JET AND CASCADE BREAKUP …

Category:Understanding the breakup behaviors of liquid jet in gas …

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Breakup process of liquid jet in gas film

Evaluation and dynamic breakup of bubble size ... - ScienceDirect

WebApr 9, 2024 · The results show that there are two main breakup processes of liquid jet in gas film: column breakup and surface breakup. The local high-pressure zone in front of … WebDec 29, 2003 · The situation of a small-diameter liquid jet exposed to a large-diameter high-speed gas jet (gas-to-liquid nozzle area ratio of order 100 to 1000) is investigated …

Breakup process of liquid jet in gas film

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WebMay 17, 2012 · Liquid Jets in Subsonic Air Crossflow at Elevated Pressure 28 October 2014 Journal of Engineering for Gas Turbines and Power, Vol. 137, No. 4 Development … WebOct 25, 2024 · Fuel atomization, the transformation of bulk liquid into sprays, is of importance in jet engines. In this chapter, we will introduce the latest research advances on breakup morphology and mechanism of liquid atomization. On primary atomization, based on the morphological difference, the twin-fluid atomization could be classified into …

Webthe breakup process were also studied, finding that ... affect liquid jet breakup properties,4 were not well ... range 0.00006-0.3; the ratio of liquid-to-gas momentum fluxes , q, of 100-8000; and the ratio of liquid-to-gas densities, p/p^, of … WebFeb 1, 2024 · The liquid breakup process generated by a rotary atomizer is very similar to the breakup of a liquid jet or a thin liquid sheet in a gas cross flow. As the liquid film emerges from the injection orifice, it converts to a single liquid column or liquid sheet depending on the channel geometry, the fuel physical properties, and the atomizer ...

WebKeywords: Liquid jet, instability, break-up length, Weber number. 1. Introduction The instability and disintegration of liquid jets at low Weber numbers is of importance in many atomization applications. These include drug delivery, coatings and electronic cooling, among others. Breakup of a liquid jet stream from nozzle orifice leads to WebJun 5, 2024 · The study of elliptical liquid jets in supersonic flow in a Mach 2.0 is performed numerically. The primary breakup process of the elliptical liquid jet is simulated for a Weber number 223, liquid/gas flux momentum 4.0. The aspect ratios of elliptical geometries are set to be 0.25, 0.5, 1, 2, and 5. The results show a remarkable difference in liquid jet …

WebJan 12, 2010 · The study deals with the breakup behavior of swirling liquid sheets discharging from gas-centered swirl coaxial atomizers with attention focused toward the understanding of the role of central gas jet on the liquid sheet breakup. Cold flow experiments on the liquid sheet breakup were carried out by employing custom …

WebJan 14, 2024 · It can be seen from the distribution curve that the gas–liquid interaction is most intense in the vicinity of x′ = 0.5 with the highest atomization efficiency. Additionally, … えげつなWebinjected into a swirling crossflow of gas. The liquid is injected radially outwards from a central tube to a confined annular space with a swirling gas crossflow. The essential features of the jet breakup involving jet flattening, surface waves and stripping of droplets from the edges of the jet are captured in the simulations. panasonic 55 zoll tvWebliquid jet injected into a strong crossflow. Parameters investigated include liquid injection velocity, gas velocity and liquid surface tension. Their flow visualisation study has revealed a series of events taking place during the liquid jet breakup process. Breakup first starts at the liquid jet surface from which some liquid fragments are panasonic 5 monitorWebMay 3, 2006 · The liquid and air are treated as a single continuum with dynamically evolving interfaces captured by the level-set method. The jets considered are laminar: the jet exit Reynolds number ranges from 480 to … エケコ人形 願い事 紙WebAug 24, 2024 · The results show that there are two main breakup processes of liquid jet in gas film: column breakup and surface breakup. The local high-pressure zone in front of the liquid jet makes the jet have a large normal velocity gradient, which causes R-T instability. panasonic 600 cordlessWebExperimental study on the spray characteristics of a gas–liquid pintle injector element. Xu Jin, Chi-bing Shen, S. Lin, R. Zhou. Engineering. Journal of Visualization. 2024. As a … えげつない 意思Web15 rows · Mar 1, 2024 · Based on the liquid breakup behaviors, we put forward an optimal method for atomizer by adopting ... えげつない 方言