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- Title
Air-Core Size Measurement of Operating Hydrocyclone by Electrical Resistance Tomography.
- Authors
Rakesh, Arugonda; Kumar Reddy, Vakamalla T. S. R; Narasimha, Mangadoddy
- Abstract
Electrical resistance tomography (ERT) allows to measure hydrocyclone internal flow dynamics in situ. A dual-plane high-speed ERT system is proposed to map two-phase distributions with varying operational parameters. Experimental results are presented in terms of air-core diameter and its size variation for various feed flow rates and design variables. The total variation algorithm provides the best results compared to Tikhonov and Gauss-Newton algorithms. The influence of finite element method mesh size on air-core resolution is evaluated. High-speed video imaging and a volume-of-fluid-based two-phase computational fluid dynamics (CFD) model are adopted to determine the air-core size. Cross validation of air-core size and shape is performed by ERT measurements with CFD simulations and high-speed video imaging.
- Subjects
ELECTRICAL resistance tomography; MACHINE separators; FLUID dynamics; PARTICLE size determination; TIKHONOV regularization; GAUSS-Newton method
- Publication
Chemical Engineering & Technology, 2014, Vol 37, Issue 5, p795
- ISSN
0930-7516
- Publication type
Article
- DOI
10.1002/ceat.201300672