Influence of pipe length and flow rate on nano-particle deposition in laminar circular pipe flows
Talebizadehsardari, Pouyan, Babaie, Meisam, Kenny, Elyse, Rahimzadeh, Hassan, Inthavong, Kiao, Ahmadi, Goodarz, & Brown, Richard J. (2015) Influence of pipe length and flow rate on nano-particle deposition in laminar circular pipe flows. International Journal of Energy and Environment, 6(4), pp. 357-366.
The Lagrangian particle tracking provides an effective method for simulating the deposition of nano- particles as well as micro-particles as it accounts for the particle inertia effect as well as the Brownian excitation. However, using the Lagrangian approach for simulating ultrafine particles has been limited due to computational cost and numerical difficulties. The aim of this paper is to study the deposition of nano-particles in cylindrical tubes under laminar condition using the Lagrangian particle tracking method. The commercial Fluent software is used to simulate the fluid flow in the pipes and to study the deposition and dispersion of nano-particles. Different particle diameters as well as different pipe lengths and flow rates are examined. The results show good agreement between the calculated deposition efficiency and different analytic correlations in the literature. Furthermore, for the nano-particles with higher diameters and when the effect of inertia has a higher importance, the calculated deposition efficiency by the Lagrangian method is less than the analytic correlations based on Eulerian method due to statistical error or the inertia effect.
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|Item Type:||Journal Article|
|Keywords:||Nano-particle deposition, Laminar flow, Lagrangian particle tracking method, Fully developed flow, Pipes, Fluent software|
|Divisions:||Current > Schools > School of Chemistry, Physics & Mechanical Engineering|
|Copyright Owner:||Copyright ©2015 International Energy & Environment Foundation. All rights reserved.|
|Deposited On:||30 Aug 2015 23:36|
|Last Modified:||02 Sep 2015 15:21|
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