numerical analysis of swirling turbulent droplet


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Measurements in turbulent swirling flow through an abrupt

May 17, 2012 · Numerical analysis of swirling turbulent droplet-laden flow and heat transfer in a sudden pipe expansion International Journal of Heat and Fluid Flow, Vol. 85 A novel Omega-driven dynamic PANS model Sheet, ligament and droplet formation in swirling primary Apr 09, 2018 · We report direct numerical simulations of swirling liquid atomization to understand the physical mechanism underlying the sheet breakup of a non-turbulent liquid swirling jet which lacks in-depth investigation. The volume-of-fluid (VOF) method coupled with adapted mesh refinement (AMR) technique in GERRIS code is employed in the present simulation. Numerical analysis of charged droplets size distribution Mar 17, 2021 · This paper presents a numerical performance evaluation of the electrostatic rotary bell sprayer (ERBS) with a particular focus on droplet charge, electric field, and ambient conditions through the implementation of a high-voltage control-ring field pattern effect into the fully turbulent airflow and by including the atomized droplets discrete phase. Numerical description of a pressure-swirl nozzle spray Numerical analysis of swirling turbulent droplet-laden flow and heat transfer in a sudden pipe expansion A swirling droplet-laden flow is characterized by an increase in the number of small Direct Numerical Simulations of the Evaporation of Dilute Aug 08, 2020 · The effects of swirled inflows on the evaporation of dilute acetone droplets dispersed in turbulent jets are investigated by means of direct numerical simulation. The numerical framework is based on a hybrid EulerianLagrangian approach and the point-droplet approximation. Phenomenological and statistical analyses of both phases are presented. An enhancement of the Performance analysis of numerical schemes in highly For calculation of the swirl flow, there are available methods of numerical methods, including standard k- turbulent model, RNG k- turbulent model, Reynolds stress model (RSM), and Large Eddy Effect of droplet evaporation on the flow structure and Feb 26, 2019 · The effect of flow swirl parameter and thermophysical properties of the droplet of water, ethanol, and acetone on the structure of turbulent flow and heat transfer in a gas-droplet flow was studied numerically. To describe the dynamics and heat and mass transfer of the two-phase flow, the Eulerian approach was used. The growth of the volume fraction of small particles on the tube axis is Numerical analysis of a novel gas-liquid pre-separation Apr 03, 2018 · A new gas-liquid separator was designed. Its main body is a horizontal gravity based separator, but what differs from the conventional ones is that a novel cyclone separator is mounted in the inlet for pre-separation, as shown in Fig. 2.The gas-liquid stream enters the separator through the cyclone, and voluminous droplets are first separated by the novel cyclone. Direct numerical simulations and analysis of three Direct numerical simulations and analysis of three-dimensional n-heptane spray ames in a model swirl combustor K. Luoa,, H. Pitschb, M.G. Paib, O. Desjardinsc aState Key Laboratory of Clean Energy Utilization, Zhejiang University, Hangzhou 310027, PR China bCenter for Turbulence Research, Stanford University, CA 94305, USA c Department of Mechanical Engineering, University of Colorado at A direct numerical simulation analysis of spherically Aug 30, 2018 · Three-dimensional direct numerical simulations with a modified single-step Arrhenius chemistry have been used to analyze spherically expanding n-heptane flames propagating into mono-sized fuel droplet mists for different droplet diameters and an overall equivalence ratio of unity.The evolutions of flame surface area and burned gas volume for both laminar and turbulent spherically Modelling of Variance and Co-variance in Turbulent The advancement of high-performance computing has made computational fluid dynamics (CFD) simulations a viable alternative to expensive experimentation. Most industrial flows are innately turbulent, and the modelling of turbulent flow remains a challenging task. This complexity is augmented in turbulent droplet combustion simulations by the complex interaction of heat and mass transfer

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