NDLI: Numerical Simulation With Lattice Boltzman Method (LBM) in the Curved Square Duct

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Liao, Quan Jen, Tien-Chien Chen, Qinghua Cui, Wenzhi Li, Long-Jian
Copyright Year	2006
Abstract	In this paper, the 3DQ19 model of Lattice Boltzmann Method (LBM) was employed to simulate the flow in the curved square duct with curvature ratio (0.2–2.0) and Dean Number (0 – 250). The so-called Dean instability in the curved square duct is fully investigated and a stability diagram is obtained in the domain of curvature ratio and Dean number. It is found that for the square duct with high curvature ratio the onset of transition from single vortex pair to double vortex pairs depends on the Dean number and curvature ratio, while at the small curvature the onset can be characterized by the Dean number alone. This trend is consistent with the conventional Computational Fluid Dynamic (CFD) and experimental results, and the differences between those are very small. For the friction coefficient, which is a function of Dean number, it is found that the numerical results are in good agreement with the available experimental data and conventional CFD results within the given parameters in this project.
Sponsorship	Heat Transfer Division
Starting Page	505
Ending Page	511
Page Count	7
File Format	PDF
ISBN	0791847861
DOI	10.1115/IMECE2006-14568
e-ISBN	0791837904
Volume Number	Heat Transfer, Volume 3
Conference Proceedings	ASME 2006 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2006-11-05
Publisher Place	Chicago, Illinois, USA
Access Restriction	Subscribed
Subject Keyword	Stability Computer simulation Computational fluid dynamics Friction Ducts Vortices Lattice boltzmann methods Flow (dynamics)
Content Type	Text
Resource Type	Article

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