2013
DOI: 10.1615/atomizspr.2013006784
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Large Eddy Simulation of High Gas Density Effects in Fuel Sprays

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Cited by 23 publications
(28 citation statements)
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“…The gas mass flow rate ̇ as well as the average gas temperature in the pipe were measured in [5]. [28,30,31] where it has been shown that cell size somewhat below the nozzle hole size is sufficiently small. In [30], it was observed that 5% of the total turbulent kinetic energy was modeled implying that 95% was resolved.…”
Section: Computational Setup and Scr Geometrymentioning
confidence: 99%
See 1 more Smart Citation
“…The gas mass flow rate ̇ as well as the average gas temperature in the pipe were measured in [5]. [28,30,31] where it has been shown that cell size somewhat below the nozzle hole size is sufficiently small. In [30], it was observed that 5% of the total turbulent kinetic energy was modeled implying that 95% was resolved.…”
Section: Computational Setup and Scr Geometrymentioning
confidence: 99%
“…[28,30,31] where it has been shown that cell size somewhat below the nozzle hole size is sufficiently small. In [30], it was observed that 5% of the total turbulent kinetic energy was modeled implying that 95% was resolved. According to literature [32,33], at least 80% of the turbulent kinetic energy should be resolved for good quality LES.…”
Section: Computational Setup and Scr Geometrymentioning
confidence: 99%
“…LES needs principally finer meshes compared to the ones used for Reynolds Averaged Navier-Stokes (RANS) computations. Since RANS models cannot capture features of the transient spray structure [9,12,42,43] such as droplet clustering and shot to shot variability, LES is applied to overcome these limitations. In addition, the conventional atomization models with Lagrangian Particle Tracking (LPT) limit the grid fineness near the nozzle and do not allow LES to capture the features of the spray and background fluid flow near the nozzle.…”
mentioning
confidence: 99%
“…For verification the numerical methodology for modeling the primary break-up, the following problem was considered [4]. The geometry and dimensions of the nozzle are shown in In the calculations, four spray variants were considered corresponding to the parameters presented in Table 1.…”
Section: Problem Statement and Research Methodsmentioning
confidence: 99%
“…A review of existing methods for simulating the spraying of liquids has shown that in these models the droplets generation is simplified resulting in inaccurate and unrealistic simulations. [3,4]. For example, the blob atomization method which is the most employed model not only simply generates parcels with the size of the nozzle diameter but also does not take into account the physics of in-nozzle turbulence [5][6][7].…”
Section: Introductionmentioning
confidence: 99%