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Three-dimensional Particle Tracking Velocimetry for Turbulence Applications: Case of a Jet Flow
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Numerical and Experimental Investigations of Horizontal Turbulent Particle-Liquid Pipe Flow
ZhuangJian Yang1, Chiya Savari1, Mostafa Barigou1
1School of Chemical Engineering, University of Birmingham, Edgbaston, Birmingham B15 2TT, U.K.
Industrial & Engineering Chemistry Research
|August 23, 2022
Summary
This study uses computational fluid dynamics to simulate particle-liquid flows in pipes, validating results with positron emission particle tracking. Findings classify particle behavior based on size and density, improving understanding of complex fluid dynamics.
Area of Science:
- Fluid dynamics
- Multiphase flow
- Computational science
Background:
- Particle-liquid suspensions are common in industrial processes.
- Understanding their flow behavior is crucial for efficiency and safety.
- Complex interactions between particles and liquid require advanced modeling.
Purpose of the Study:
- To investigate turbulent particle-liquid suspensions in horizontal pipes.
- To validate a computational fluid dynamics (CFD) approach using experimental data.
- To analyze particle behavior and distribution under various conditions.
Main Methods:
- Employed a Eulerian-Eulerian computational fluid dynamics (CFD) approach.
- Incorporated auxiliary models for turbulence and solid dynamics.
- Validated simulations using positron emission particle tracking (PEPT).
Main Results:
- Achieved accurate predictions of detailed flow fields.
- Observed distinct radial velocity profiles for particles and liquid.
- Identified three categories of particle behavior based on size and density ratio.
Conclusions:
- The CFD approach accurately predicts particle-liquid suspension flow.
- Particle behavior is predictable and classifiable.
- Analysis of governing forces explains observed flow phenomena.
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