Numerical modeling of particle motion and deposition in turbulent wavy channel flows

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HAYATI H.; SOLTANI GOHARRIZI A.; SALMANZADEH M.; AHMADI G.

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Journal Paper

Paper Information

Journal: Scientia Iranica Year:2019 | Volume:26 | Issue:4 (Transactions A: Civil Engineering) Page(s): 2229-2240

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Title

Numerical modeling of particle motion and deposition in turbulent wavy channel flows

Author(s)

HAYATI H. | SOLTANI GOHARRIZI A. | SALMANZADEH M. | AHMADI G. | Issue Writer Certificate

Keywords

Particle deposition

Wavy channel

Turbulent flow

v2f turbulence model

aerosols

Abstract

This work investigates the Turbulent flow and particles deposition in wavy duct flows. The v2f turbulence model was used for simulating the Turbulent flow through the Wavy channel. The instantaneous turbulence fluctuating velocities were simulated using the Kraichnan Gaussian random field model. For tracking particles in the fluid flow, the particle equation of motion was solved numerically. The drag, Saffman lift, Brownian, and gravity forces acting on a suspended particle were included in the particle equation of motion. The effects of duct wave amplitude and wave length on deposition of particles of different sizes were studied. A range of waves with different amplitudes and wave lengths were simulated. The particle tracking approach was validated for Turbulent flow in a flat horizontal channel where good agreement with previous studies was found. The presented results showed that the duct wavy walls significantly increase the Particle deposition rate.

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APA: Copy

HAYATI, H., SOLTANI GOHARRIZI, A., SALMANZADEH, M., & AHMADI, G.. (2019). Numerical modeling of particle motion and deposition in turbulent wavy channel flows. SCIENTIA IRANICA, 26(4 (Transactions A: Civil Engineering)), 2229-2240. SID. https://sid.ir/paper/290721/en

Vancouver: Copy

HAYATI H., SOLTANI GOHARRIZI A., SALMANZADEH M., AHMADI G.. Numerical modeling of particle motion and deposition in turbulent wavy channel flows. SCIENTIA IRANICA[Internet]. 2019;26(4 (Transactions A: Civil Engineering)):2229-2240. Available from: https://sid.ir/paper/290721/en

IEEE: Copy

H. HAYATI, A. SOLTANI GOHARRIZI, M. SALMANZADEH, and G. AHMADI, “Numerical modeling of particle motion and deposition in turbulent wavy channel flows,” SCIENTIA IRANICA, vol. 26, no. 4 (Transactions A: Civil Engineering), pp. 2229–2240, 2019, [Online]. Available: https://sid.ir/paper/290721/en

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