Mixing process of two miscible fluids in a lid-driven cavity

Fenglei Huang; Dengfei  Wang; Zhipeng Li; Zhengming Gao; J J Derksen

doi:10.1016/j.cej.2019.01.024

Mixing process of two miscible fluids in a lid-driven cavity

Fenglei Huang, Dengfei Wang, Zhipeng Li^* (Corresponding Author), Zhengming Gao^* (Corresponding Author), J J Derksen

^*Corresponding author for this work

Engineering

Research output: Contribution to journal › Article › peer-review

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Abstract

A laminar lid-driven cavity flow was constructed to represent the fundamental characteristics of an industrial dynamic mixer. The flow patterns and mixing process in the cavity were measured by using particle image velocimetry (PIV) and planar laser-induced fluorescence (PLIF) experiments respectively. The refractive indices of the two miscible liquids involved were carefully matched to allow for unhindered optical access. The mixing process was predicted by using computational fluid dynamics (CFD) including models for species transport. The simulated flow and mixing results are in good agreement with the experimental data. The effects of density difference and viscosity of the two miscible fluids on the mixing process were evaluated. Minor variations in the densities of the fluids have significant influence on the mixing process in terms of the coefficient of variation as a function of time. The dimensionless group (Archimedes number over Reynolds number) is proposed to characterize the mixing process in the cavity.

Original language	English
Pages (from-to)	229-242
Number of pages	13
Journal	Chemical Engineering Journal
Volume	362
Early online date	6 Jan 2019
DOIs	https://doi.org/10.1016/j.cej.2019.01.024
Publication status	Published - 15 Apr 2019

Bibliographical note

The authors gratefully acknowledge the financial support from the National and Key Research and Development Program of China (No.2016YFB0302801), National Natural Science Foundation of China (No.21676007) and Scientific Research and Technology Development Projects of China National Petroleum Corporation (No. 2016B-2605).

Keywords

mixing of miscible fluids
particle image velocimetry
planar laser-induced fluorescence
lid-driven cavity flow
species transport model
Lid-driven cavity flow
Species transport model
Particle image velocimetry
Planar laser-induced fluorescence
Mixing of miscible fluids
INDUCED FLUORESCENCE TECHNIQUE
FLOW

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Accepted author manuscript, 4.56 MBLicence: CC BY-NC-ND

Cite this

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title = "Mixing process of two miscible fluids in a lid-driven cavity",

abstract = "A laminar lid-driven cavity flow was constructed to represent the fundamental characteristics of an industrial dynamic mixer. The flow patterns and mixing process in the cavity were measured by using particle image velocimetry (PIV) and planar laser-induced fluorescence (PLIF) experiments respectively. The refractive indices of the two miscible liquids involved were carefully matched to allow for unhindered optical access. The mixing process was predicted by using computational fluid dynamics (CFD) including models for species transport. The simulated flow and mixing results are in good agreement with the experimental data. The effects of density difference and viscosity of the two miscible fluids on the mixing process were evaluated. Minor variations in the densities of the fluids have significant influence on the mixing process in terms of the coefficient of variation as a function of time. The dimensionless group (Archimedes number over Reynolds number) is proposed to characterize the mixing process in the cavity.",

keywords = "mixing of miscible fluids, particle image velocimetry, planar laser-induced fluorescence, lid-driven cavity flow, species transport model, Lid-driven cavity flow, Species transport model, Particle image velocimetry, Planar laser-induced fluorescence, Mixing of miscible fluids, INDUCED FLUORESCENCE TECHNIQUE, FLOW",

author = "Fenglei Huang and Dengfei Wang and Zhipeng Li and Zhengming Gao and Derksen, {J J}",

note = "The authors gratefully acknowledge the financial support from the National and Key Research and Development Program of China (No.2016YFB0302801), National Natural Science Foundation of China (No.21676007) and Scientific Research and Technology Development Projects of China National Petroleum Corporation (No. 2016B-2605).",

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AU - Huang, Fenglei

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AU - Li, Zhipeng

AU - Gao, Zhengming

AU - Derksen, J J

N1 - The authors gratefully acknowledge the financial support from the National and Key Research and Development Program of China (No.2016YFB0302801), National Natural Science Foundation of China (No.21676007) and Scientific Research and Technology Development Projects of China National Petroleum Corporation (No. 2016B-2605).

PY - 2019/4/15

Y1 - 2019/4/15

N2 - A laminar lid-driven cavity flow was constructed to represent the fundamental characteristics of an industrial dynamic mixer. The flow patterns and mixing process in the cavity were measured by using particle image velocimetry (PIV) and planar laser-induced fluorescence (PLIF) experiments respectively. The refractive indices of the two miscible liquids involved were carefully matched to allow for unhindered optical access. The mixing process was predicted by using computational fluid dynamics (CFD) including models for species transport. The simulated flow and mixing results are in good agreement with the experimental data. The effects of density difference and viscosity of the two miscible fluids on the mixing process were evaluated. Minor variations in the densities of the fluids have significant influence on the mixing process in terms of the coefficient of variation as a function of time. The dimensionless group (Archimedes number over Reynolds number) is proposed to characterize the mixing process in the cavity.

AB - A laminar lid-driven cavity flow was constructed to represent the fundamental characteristics of an industrial dynamic mixer. The flow patterns and mixing process in the cavity were measured by using particle image velocimetry (PIV) and planar laser-induced fluorescence (PLIF) experiments respectively. The refractive indices of the two miscible liquids involved were carefully matched to allow for unhindered optical access. The mixing process was predicted by using computational fluid dynamics (CFD) including models for species transport. The simulated flow and mixing results are in good agreement with the experimental data. The effects of density difference and viscosity of the two miscible fluids on the mixing process were evaluated. Minor variations in the densities of the fluids have significant influence on the mixing process in terms of the coefficient of variation as a function of time. The dimensionless group (Archimedes number over Reynolds number) is proposed to characterize the mixing process in the cavity.

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KW - particle image velocimetry

KW - planar laser-induced fluorescence

KW - lid-driven cavity flow

KW - species transport model

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KW - Species transport model

KW - Particle image velocimetry

KW - Planar laser-induced fluorescence

KW - Mixing of miscible fluids

KW - INDUCED FLUORESCENCE TECHNIQUE

KW - FLOW

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JF - Chemical Engineering Journal

ER -

Mixing process of two miscible fluids in a lid-driven cavity

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