Cloud-edge mixing: Direct numerical simulation and observations in Indian Monsoon clouds
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Advances in Modeling Earth Systems"
DOI: 10.1002/2016ms000731
Abstract: A direct numerical simulation (DNS) with the decaying turbulence setup has been carried out to study cloud-edge mixing and its impact on the droplet size distribution (DSD) applying thermodynamic conditions observed in monsoon convective clouds… read more here.
Keywords: numerical simulation; cloud; cloud edge; edge mixing ... See more keywords
Direct numerical simulation of mass transfer in bidisperse arrays of spheres
Sign Up to like & getrecommendations! Published in 2019 at "AIChE Journal"
DOI: 10.1002/aic.16786
Abstract: In this study, an efficient ghost cell‐based immersed boundary method is used to perform direct numerical simulations of mass‐transfer processes in bidisperse arrays. Stationary spherical particles, with a size ratio of 1.5, are homogeneously distributed… read more here.
Keywords: performance; direct numerical; transfer; bidisperse arrays ... See more keywords
Direct Numerical Simulation of Turbulent Flow in a Circular Pipe Subjected to Radial System Rotation
Sign Up to like & getrecommendations! Published in 2019 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-019-00062-8
Abstract: Direct numerical simulations have been performed with a high-order spectral element method computer code to investigate the Coriolis force effect on a fully-developed turbulent flow confined within a circular pipe subjected to radial system rotations.… read more here.
Keywords: system; turbulent flow; rotation; direct numerical ... See more keywords
Toward direct numerical simulation of high speed droplet impact
Sign Up to like & getrecommendations! Published in 2019 at "Meccanica"
DOI: 10.1007/s11012-019-00980-x
Abstract: When a liquid drop impacts a solid surface or a liquid film, several outcomes are possible. In particular, splashing phenomena can exhibit complex behaviors, like the formation of very thin crowns and emission of small… read more here.
Keywords: numerical simulation; droplet; direct numerical; impact ... See more keywords
Benchmarking the Viability of 3D Printed Micromodels for Single Phase Flow Using Particle Image Velocimetry and Direct Numerical Simulations
Sign Up to like & getrecommendations! Published in 2021 at "Transport in Porous Media"
DOI: 10.1007/s11242-021-01718-8
Abstract: Holistic understanding of multiphase reactive flow mechanisms such as CO2 dissolution, multiphase displacement, and snap-off events is vital for optimisation of large-scale industrial operations like CO2 sequestration, enhanced oil recovery, and geothermal energy. Recent advances… read more here.
Keywords: single phase; direct numerical; image velocimetry; flow ... See more keywords
Direct numerical simulations of temporally decelerating turbulent pipe flows
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Mechanical Science and Technology"
DOI: 10.1007/s12206-018-0724-5
Abstract: Direct numerical simulations of temporally decelerating turbulent pipe flows are performed to examine the effects of temporal deceleration on the turbulence characteristics. The temporal decelerations are applied with three different values of the decelerating parameter… read more here.
Keywords: simulations temporally; decelerating turbulent; numerical simulations; temporally decelerating ... See more keywords
Direct numerical simulation of the flow around a cylinder with splitter plate: analysis for moderated Reynolds numbers
Sign Up to like & getrecommendations! Published in 2018 at "Journal of the Brazilian Society of Mechanical Sciences and Engineering"
DOI: 10.1007/s40430-018-1199-0
Abstract: The splitter plate has been one of the most successful devices in controlling the vortex shedding in the wake of the cylinder. In the present work, direct numerical simulations of the flow around a cylinder… read more here.
Keywords: reynolds numbers; plate; splitter plate; flow around ... See more keywords
Direct numerical simulation of the viscoelastic channel flow using Giesekus model with variable parameters
Sign Up to like & getrecommendations! Published in 2018 at "Journal of Hydrodynamics"
DOI: 10.1007/s42241-018-0144-0
Abstract: The paper presents a direct numerical simulation (DNS) for the drag-reducing channel flow using the Giesekus model with variable parameters. It is assumed that the relaxation time in the constitutive equation is varied depending on… read more here.
Keywords: giesekus model; numerical simulation; variable parameters; channel flow ... See more keywords
Direct numerical simulation of subsonic–supersonic mixing layer
Sign Up to like & getrecommendations! Published in 2018 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2018.10.004
Abstract: Abstract Rocket jet flow and airflow represent a typical mixing layer flow in a combustion chamber of a combined air-breathing propulsion system. Previous studies indicate that highly and weakly compressible mixing layers are similar in… read more here.
Keywords: mixing layer; layer; subsonic supersonic; supersonic mixing ... See more keywords
Direct numerical simulations of supersonic compression-expansion slope with a multi-GPU parallel algorithm
Sign Up to like & getrecommendations! Published in 2021 at "Acta Astronautica"
DOI: 10.1016/j.actaastro.2020.10.047
Abstract: Abstract In order to efficiently perform the direct numerical simulation for shock wave boundary layer interference, a large grid computing scale is needed, and a single graphics processing unit cannot meet the urgent needs of… read more here.
Keywords: graphics processing; algorithm; multi; shock wave ... See more keywords
Direct Numerical Simulation of conjugated heat transfer between a spherical particle rolling over a planar surface
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2018.05.007
Abstract: Abstract The heat transfer between particles and walls occurs in several industrial processes. Simplified models are applicable within their range of validity and give satisfactory results for known systems. On the other hand, for developing… read more here.
Keywords: numerical simulation; particle; heat transfer; heat ... See more keywords