Computational Fluid Dynamics (CFD) of Chemical Processes [PDF]
In this Special Issue, one review paper highlights the necessity of multiscale CFD, coupling micro- and macro-scales, for exchanging information at the interface of the two scales.
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A Comprehensive CFD Model for the Biomass Pyrolysis [PDF]
The present work addresses the study of the pyrolysis of biomass particle, with the aim to improve the comprehensive mathematical model of the thermochemical processes involving solids decomposition. A new CFD model for the biomass pyrolysis was developed at the particle scale in order to properly describe the relative role of reaction kinetics and ...
GENTILE, GIANCARLO +4 more
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Flow generated by radial flow impellers: PIV measurements and CFD simulations [PDF]
Particle image velocimetry (PIV) and computational fluid dynamics (CFD) have been used to investigate the single phase and gas-liquid flow generated by a Scaba SRGT turbine. The key details of the trailing vortices, the turbulent flow around the impeller
Khopkar, Avinash R. +6 more
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Modeling Turbulent Flow in Stirred Tanks with CFD: The Influence of the Modeling Approach, Turbulence Model and Numerical Scheme [PDF]
Single phase turbulent flow in a tank stirred by a down- and an up-pumping pitched blade turbine has been simulated using CFD. The effect of the modeling approach, discretization scheme and turbulence model on mean velocities, turbulent kinetic energy ...
Fletcher, David F. +2 more
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Liquid dispersion in packed columns: experiments and numerical modeling [PDF]
In order to optimize the design of gas-liquid packed columns used in distillation or in absorption processes, it is of high importance to be able to predict liquid dispersion.
Roig, Véronique +2 more
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Single and multiphase CFD approaches for modelling partially baffled stirred vessels: comparison of experimental data with numerical predictions [PDF]
Whilst the use of CFD to study mixing vessels is now common-place, there are still many specialised applications that are yet to be addressed. Here we present CFD and PIV results for a hydrodynamic study of a partially baffled vessel with a free surface.
Fletcher, David F. +4 more
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An attempt has been made in the present study to develop generalized slurry flow model using CFD and utilize the model to predict concentration profile. The purpose of CFD model is to gain better insight into the solid liquid slurry flow in pipelines. Initially a three-dimensional model problem was developed to understand the influence of the particle ...
K.C. Ghanta, Sandip Kumar Lahiri
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Insights into CFD Modelling of Water Hammer
A problem with 1-D water hammer modelling is in the application of accurate unsteady friction. Moreover, investigating the time response of fluid dynamics and unsteady turbulence structures during the water hammer is not possible with a 1-D model. This review article provides a summary of 1-D modelling using the recent finite volume approach and the ...
M. R. Ajith Kumar +3 more
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Numerical simulation of a 3D unsteady two-phase flow in the filling cavity in oxygen of a cryogenic rocket-engine [PDF]
The feeding of the LOX dome of a cryogenic rocket-engine is a decisive stage of the transient engine ignition. However flight conditions are difficult to reproduce by experimental ground tests. The work reported here is part of an ongoing research effort
Renaud Ansart +11 more
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CFD modeling of Venus aerocapture flow [PDF]
openThis work aims to study the high-temperature hypersonic flow around a small vehicle for a Venus’ atmosphere sampling in order to compute the convective wall heating.
PAVANELLO, MARCO
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