Flow modification by inertial particles in a differentially heated cubic cavity

Battsetseg Gereltbyamba; Changhoon Lee

doi:10.1016/j.ijheatfluidflow.2019.108445

Flow modification by inertial particles in a differentially heated cubic cavity

Battsetseg Gereltbyamba, Changhoon Lee

Department of Computational Science and Engineering

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

9 Citations (Scopus)

Abstract

In this study, we analyzed particle-laden flow in a differentially heated cubic cavity by using direct numerical simulations and the Lagrangian particle tracking method. The main purpose of this study was to investigate the physical mechanism responsible for the modification of natural convection flow by sedimenting solid particles. Rayleigh number of Ra=10⁶ was considered, and two important parameters, namely, the particle diameter d_p and particle volume fraction Φ_V, were varied in the range of d_p=25,35,50,75μm and Φ_V=2×10⁻⁵,5×10⁻⁵,10⁻⁴. Extensive numerical investigations were performed by considering the two-way interaction for the following two coupling cases: (i) momentum coupling only; (ii) momentum and thermal coupling between fluid and particles. Behavior of particles, flow modification, and heat transfer characteristics were investigated in detail with the relevant statistics.

Original language	English
Article number	108445
Journal	International Journal of Heat and Fluid Flow
Volume	79
DOIs	https://doi.org/10.1016/j.ijheatfluidflow.2019.108445
Publication status	Published - 2019 Oct

Bibliographical note

Funding Information:
This research was supported by ADD (17-113-601-026).

Publisher Copyright:
© 2019 Elsevier Inc.

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Mechanical Engineering
Fluid Flow and Transfer Processes

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10.1016/j.ijheatfluidflow.2019.108445

Cite this

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title = "Flow modification by inertial particles in a differentially heated cubic cavity",

abstract = "In this study, we analyzed particle-laden flow in a differentially heated cubic cavity by using direct numerical simulations and the Lagrangian particle tracking method. The main purpose of this study was to investigate the physical mechanism responsible for the modification of natural convection flow by sedimenting solid particles. Rayleigh number of Ra=106 was considered, and two important parameters, namely, the particle diameter dp and particle volume fraction ΦV, were varied in the range of dp=25,35,50,75μm and ΦV=2×10−5,5×10−5,10−4. Extensive numerical investigations were performed by considering the two-way interaction for the following two coupling cases: (i) momentum coupling only; (ii) momentum and thermal coupling between fluid and particles. Behavior of particles, flow modification, and heat transfer characteristics were investigated in detail with the relevant statistics.",

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note = "Funding Information: This research was supported by ADD (17-113-601-026). Publisher Copyright: {\textcopyright} 2019 Elsevier Inc.",

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language = "English",

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AU - Gereltbyamba, Battsetseg

AU - Lee, Changhoon

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Flow modification by inertial particles in a differentially heated cubic cavity

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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