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Turbulence generation after a monolith in automotive catalytic converters

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0 Published in 2018 at "Chemical Engineering Science"

DOI: 10.1016/j.ces.2018.04.041

Abstract: Abstract This work reports theoretical studies of flow behaviour in a monolith outlet zone for different Reynolds numbers covering laminar and transitional/turbulent flow regimes. Monolith type substrate is the core part of the automotive catalytic… read more here.

Keywords: monolith; reynolds number; turbulence generation; automotive catalytic ... See more keywords

Assessing and improving the accuracy of synthetic turbulence generation

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0 Published in 2020 at "Journal of Fluid Mechanics"

DOI: 10.1017/jfm.2020.859

Abstract: Abstract With the growing interest in scale-resolving simulations of spatially evolving boundary layers, synthetic turbulence generation (STG) has become a valuable tool for providing unsteady turbulent boundary conditions through a sum over a finite number… read more here.

Keywords: number; random number; synthetic turbulence; turbulence generation ... See more keywords

Numerical investigation of turbulence generation using Zakharov-like model equation

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0 Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0205858

Abstract: This study investigates the turbulence generation behavior with a Zakharov-like (ZL) equation in a fluid system. The model equation is derived using conservation equations (mass and momentum conservation), and the source of nonlinearity is the… read more here.

Keywords: equation; zakharov like; model equation; turbulence generation ... See more keywords

Turbulence generation in transonic shock diffraction

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0 Published in 2024 at "Physics of Fluids"

DOI: 10.1063/5.0214772

Abstract: In this Letter, we have quantified the zones of turbulence in transonic shock diffraction across a 90° step corner using Lamb vector analysis. We have analyzed the nature of the three-dimensional turbulence structures using invariants… read more here.

Keywords: shock diffraction; turbulence generation; turbulence; transonic shock ... See more keywords

Turbulence generation by shock interaction with a highly nonuniform medium.

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0 Published in 2022 at "Physical review. E"

DOI: 10.1103/physreve.105.065206

Abstract: An initially planar shock wave propagating into a medium of nonuniform density will be perturbed, leading to the generation of postshock velocity perturbations. Using numerical simulations we study this phenomenon in the case of highly… read more here.

Keywords: turbulence generation; shock; density; highly nonuniform ... See more keywords