Gas Sweetening Hydrodynamic CFD Simulation

This ADVANCED level ANSYS Fluent CFD simulation tutorial explores the steady-state hydrodynamics of a gas sweetening unit using the Volume of Fluid (VOF) multiphase model. This episode is designed to provide an in-depth understanding of fluid flow dynamics in gas treatment equipment, focusing solely on the hydrodynamic aspects without considering phase interactions or mass transfer.

Key aspects of this advanced-level simulation include:

VOF Multiphase Model Setup: Detailed implementation of the VOF model to accurately capture the steady-state interface between gas and liquid phases, focusing on equilibrium flow patterns and liquid distribution.

Turbulence Modeling: Application of appropriate turbulence models for the gas-liquid system, addressing the complexities of multiphase flow without considering chemical interactions.

Surface Tension and Wall Adhesion: Incorporation of surface tension forces and wall adhesion models to accurately represent steady-state liquid film behavior and droplet formation from a purely hydrodynamic perspective.

Complex Geometry Representation: Techniques for modeling the intricate internals of gas sweetening equipment, such as trays or packing, focusing on their impact on steady-state fluid flow.

Advanced Boundary Conditions: Setup of sophisticated boundary conditions to accurately represent gas and liquid inlets and outlets, emphasizing constant flow rates and pressure conditions.

Convergence Strategies for Multiphase Simulations: Advanced techniques for achieving and monitoring convergence in complex steady-state VOF simulations, including solution controls and relaxation factors.

Advanced Post-Processing for Multiphase Flows: Utilization of ANSYS post-processing tools for detailed analysis of steady-state phase distributions and velocity fields, including advanced visualization techniques for gas-liquid interfaces.

This advanced-level training aims to enhance participants’ expertise in simulating and analyzing complex steady-state multiphase flows using the VOF model in ANSYS Fluent, with a specific focus on hydrodynamics. It provides insights into the equilibrium fluid dynamics of gas sweetening processes, preparing participants for real-world applications in the oil and gas industry.

The tutorial focuses on sophisticated setup, solving, and analysis phases of the steady-state CFD simulation from a purely hydrodynamic standpoint. This approach allows students to master advanced multiphase modeling techniques, apply complex turbulence models, and interpret detailed results in the context of equilibrium fluid flow in gas treatment processes.

Participants will gain valuable experience in handling advanced CFD simulations involving steady-state multiphase flows, equipping them with the skills needed for complex hydrodynamic analysis in process engineering, particularly in understanding equilibrium flow patterns and liquid distribution in gas sweetening units and similar multiphase process equipment.