Videos

In our videos we give you an insight into our CFD simulations.

THINK Fluid Dynamix® presentation

Learn more about THINK Fluid Dynamix® and our team.

Utilizing M-STAR, an advanced CFD solver, we’ve achieved breakthroughs in simulating Moving Bed Biofilm Reactors (MBBRs).

In the world of computational fluid dynamics (CFD), we often see vibrant, multi-colored visualizations that mesmerize and intrigue us. But there’s so much more to CFD than just these captivating images.

The INVENT HYPERCLASSIC® Mixer shows remarkable features such as the uniformity of the flow generation, the energy input at the bottom and the creation of a “Virtual Wall” between two mixers rotating in opposite directions.

CFD (Computational Fluid Dynamics) analysis of a Rushton Turbine by a time accurate simulation and LES (Large Eddy Simulation) turbulence model.

These two CFD (Computational Fluid Dynamics) animations illustrate the contrasting characteristics of turbulent and laminar mixing, two different flow regimes that occur within fluid systems, playing critical roles in various applications.

This multiphase transient CFD Simulation shows the velocity field and the concentration of solids in a stirred tank reactor.

Free surface phenomena present a fascinating blend of physics and engineering, posing complex modeling challenges. But thanks to advancing CFD technologies, we’re gaining new insights.

These simulations underline the significance of the ratio between tank diameter and mixer diameter in industrial applications.

CFD in the water and wastewater industry: aeration tank

This multiphase simulation uses a Euler-Euler approach to analyse the gas-liquid system. Thanks to this kind of CFD simulation, not only the velocity and the pressure field can be analysed but also the total air hold-up and standard oxygen transfer rate can be calculated.

CFD Transient (time dependent) simulation of the coarse bubble aerator installed in a show and test tank used in the mixing and aeration laboratory.

This multiphase transient CFD Simulation shows the velocity field and the concentration of solids in a stirred tank reactor.

Transient CFD Simulation of the mixing time of a propeller in a reactor.

CFD for wastewater treatment: simulation of secondary clarifier

Secondary clarifiers are settling tanks in wastewater treatment plant, used for continuous removal of the mixed liquor TSS from the treated effluent and for the thickening of the settled activated sludge.

This animation shows a transient multiphase simulation of a rectangular clarifier. Clear water is collected with a system of perforated piping system at 0.5 m of submergence. The sludge is recollected at the bottom-left part of the basin with two suction pipes.

Multiphase Simulation of sludge settling, as it is conventionally carried out in SVI-tests (Sludge Volume Index).

The most innovative technology for analysing and optimising designs in the field of Hydraulic Engineering is called “Computational Fluid Dynamics”. This is the simulation of fluid flow using computational procedures.

CFD in water treatment: distribution chamber

Unsteady analysis of flow distribution in distribution chamber in a wastewater treatment plant.

This is an easy example of how automatic optimization of hydraulic structures can be achieved with CFD simulations.

CFD simulation of the filling process of a hydraulic facility. This simulation shows the potential of computational fluid dynamic as a reliable tool for analyzing hydraulic problems and dynamic processes involving fluid flow.

CFD in the process industry: Mixing of highly viscous media.

CFD and industrial mixing: cavern formation with a rushton turbine

Unsteady analysis of flow distribution in distribution chamber in a wastewater treatment plant.

Time dependent CFD Simulation of a vortex shedding. This is a famous example of a unsteady flow.

This animation shows a comparison between using two different turbulence models: Large Eddy Simulation (top) and K-Epsilon (bottom).

This is a time-accurate Computational Fluid Dynamics (CFD) simulation of the mixing process within a standard container. The simulation utilizes the Lattice-Boltzmann Method and employs the Large Eddy Simulation (LES) turbulence model.

Unsteady simulation of the blending of two liquids in a stirred tank by means of a Rushton Turbine.

Transient CFD Simulation of the mixing time of a propeller in a reactor.