The breakup of a high-speed liquid jet in air
WebImproving the mixing of fuel and air by injecting a turbulent liquid fuel jet into a high-speed cross-flowing gas can reduce the emissions of gas turbine applic... WebAug 18, 2024 · New study on water jets impacting liquid droplets resembles Harold “Doc” Edgerton’s high-speed photos of a bullet fired through an apple. Analysis could help tune needle-free injection systems. Credits Credit: Courtesy of researchers, and Tiny Giants.
The breakup of a high-speed liquid jet in air
Did you know?
WebMar 22, 2024 · The aim of this paper is to experimentally characterize the liquid jet breakup unsteadiness in a coaxial air-blast atomizer. ... Villermaux E, Hopfinger E. Break-up and … WebOct 1, 1982 · Liquid jet fragmentation in the air is generic to a high-speed liquid jet moving in initially stagnant air and entraining a large amount of air that leads to a jet breakups …
WebOct 28, 2024 · In 2001, Mulhem et al. started a systematic investigation of model suspensions using a laser diffraction system for droplet size measurement and a high … WebFeb 25, 1998 · The near- and far-field break-up and atomization of a water jet by a high-speed annular air jet are examined by means of high-speed flow visualizations and phase …
WebMay 7, 2007 · A new breakup regime of liquid drops, named the dual-bag breakup regime, in a continuous and uniform air jet flow is identified at We ranging from 28 to 41 at the … WebDec 1, 2009 · The measurements showed that the break-up length of the liquid jet scaled well with the air to liquid momentum ratio. The standard deviation of the temporal fluctuations of the break-up length was around 10% of the mean breakup length for each considered flow condition.
WebOct 9, 1995 · Abstract. The breakup of a liquid jet with length-to-diameter ratio of 22 surrounded by a coaxial flow of air has been examined by a combination of high-speed …
WebDec 29, 2003 · A phenomenological breakup model is proposed for the initial droplet size, based upon the accelerative, secondary destabilization (via Rayleigh–Taylor instability) of the liquid wave crests resulting from the primary … richfield nhWebInthecaseofinteresthere,wherea low-speedliquidjetisinjected atthecentral axis of a high-speed coaxial air jet, the liquid break-up and droplet atomization can be divided into a near-fieldprimary break-upregion, and a far-fieldsecondary break-up region. Both primary and secondary break-up have received considerable attention in the past. redpassion1com.ipower.comWebOct 28, 2014 · The breakup, penetration, droplet size, and size distribution of a Jet A-1 fuel in air crossflow has been investigated with focus given to the impact of surrounding air pressure. red pashmina debenhamsWebApr 1, 2024 · The primary jet breakup was recorded via high-speed imaging, and the liquid core length LC and the frequency of the Kelvin–Helmholtz instability fK were extracted. Applying these results as reference data, highly resolved numerical simulations have been performed to gain a deeper understanding of the effect of mass flow scaling. red pashmina scarf ukWebJun 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 … red pass canadaWebMar 22, 2024 · Depending on the operating flow conditions of the atomizer, the liquid jet is subjected to various instabilities including capillary, helical, Kelvin–Helmholtz (KH) instability, etc. and different mechanisms of breakup of the liquid core and ligaments have been identified in the earlier works. red passion clubWebThe near-and far-field break-up and atomization of a water jet by a high-speed annular air jet are examined by means of high-speed flow visualizations and phas. ... Numerical … red passion taranto