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CFD Flocculation Tank Simulation goals and meeting minutes.
Research
Fall 2008 Research Paper
CFD Analysis of Flocculation Tank and Design RecommendationRecommendations
Fall 2008 Research Paper Sub-Topics
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Validate which turbulence model to use. K-e realizable or K-w SST (all cases use air as the material)
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Examines the back-step example to determine the type of turbulence model to use in FLUENT.
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Calculate Gθ and compare with the theoretical data (all cases used air as the material)
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Determines the Gθ value for various flocculation height (fh) to baffle spacing (bs) ratios using a UDF in FLUENT.
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Analyze how energy dissipation rate is affected by Reynolds number (all cases used air as the material)
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Examines the affect of varying the velocity inlet from .1 m/s which corresponds to a Re=10,000 to 1 m/s (Re=100,000) and .01 m/s (Re=1,000).
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Investigation of Turbulence Boundary Condition (missing data: the material used is unclear; note that the graphs are actually contours of turbulent kinetic energy)
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Examines the affect of varying the turbulent inlet length scale for the optimal geometry.
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Uniform Energy Dissipation Rate Approach in Determining Optimal Geometry (missing data: material used is unclear)
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Determines the optimal geometry for the flocculation tank by varying the fh/bs, and ch/bs ratios.
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Determines the optimal fh/bs ratio for the flocculation tank height by comparing performance parameters which quantify flocculation collision potentialComplementary Solution to Analysis of Energy Dissipation DistributionComplementary Solution to Analysis of Energy Dissipation Distribution.
Complementary Solution to Analysis of Energy Dissipation Distribution
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Spring 2008 Documentations:
Other Information
- Resources
- CFD Presentations
- Links for other resources
- Flocculator with multiple baffles
- Automation of Mesh Creation
- Nondimensional Analysis
- Turbulence model validation
- Johannes Haarhoff and Jeremia J. van der Walt , J Water SRT - Aqua 50 (2001) 149-160 - - Towards optimal design parameters for around-the-end hydraulic flocculators.
- Relation of Shear Stresses to Floc Strength
- CFD Flocculation Tank Simulation Research
- CFD Fall 2008 Midtem Report
- CFD Spring 2008 Midterm Teach-in Presentation
- CFD Spring 2008 Final Report
- CFD Fall 2008 Midterm Teach-in Presentation
- CFD Fall 2008 Midtem Report
- CFD Fall 2008 Final Report
- CFD Flocculation Tank Next Semester Quiz