Droplets and Sprays

Abstract

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The Fully Lagrangian Approach to the Analysis of Particle/Droplet Dynamics: Implementation Into Ansys Fluent and Application to Gasoline Sprays

“…The formation and dynamics of fuel sprays are complex processes involving cavitation inside the nozzle, development of a jet, conversion of the jet into a liquid sheet and ligaments, primary and secondary break-up modes (Heywood, 1988;Sazhin, 2014) modelling of these processes is a challenging task. In the simulation of a hollow-cone gasoline spray in an internal combustion engine, Hermann et al (2008) used the internal nozzle flow calculation to define the initial conditions (Cauchy problem) for the transient simulation of the mixture formation.…”

Critical phenomena in a model of fuel's heating in a porous medium

“…Thus, the expressions (8), (11), (12), and (15) determine the first−order approximation for canard and corresponding critical value b has been found in the explicit form. However, one can use the implicit or parametric representation for slow invariant manifold [17] to obtain an approximation of the canard.…”

“…The investigation of the autoignition process has been carried out by many authors, see for instance [3][4][5][6][7][8][9][10][11][12] and references therein.…”

Critical Conditions of Ignition of Fuel Spray Containing Liquid Fuel Droplets

“…The investigation of the ignition process in a gas medium was carried out by many authors, see, for instance, [1][2][3][4][5][6][7][8][9][10][11][12][13][14][15][16] and references therein. However, the influence of liquid droplets within such a context is less studied [17]. The dynamics of such systems is determined by two processes: heat loss due to the evaporation of the flammable liquid medium (droplets) and heat release associated with an exothermic oxidation reaction in the gas phase [17,18].…”

“…However, the influence of liquid droplets within such a context is less studied [17]. The dynamics of such systems is determined by two processes: heat loss due to the evaporation of the flammable liquid medium (droplets) and heat release associated with an exothermic oxidation reaction in the gas phase [17,18]. Competition between these processes determines the main dynamical features of the systems.…”