The unsteady aerodynamics of wind turbines can easily be analyzed in XFlow's virtual wind tunnel. The rotor can either spin freely due to the torque exerted by the wind or enforced motion can be applied . The simulation can assess the efficiency of the turbine and predict loads on blades, wake turbulence intensity, or interference effects in wind farms. It is also possible to simulate different wind turbines simultaneously in order to study how the wake of each turbine is affecting the efficiency of the one behind it.
Multi-body dynamics can be coupled to free surface analysis. For example devices that extract energy from sea waves are allowed to move, and the constraints between the different bodies can be specified or resolved by the contact between the real geometries.
Water wheels to extract energy from water currents can also be simulated in XFlow with the Rigid Body Dynamics capability that allows the geometries to move with up to 6 degrees of freedom under the fluid loads.
The loads over solar collectors can easily be simulated. XFlow can provide averaged pressure distributions and transient data of maximum and minimum peak loads.
The thermal solver allows you to simulate flows driven by natural or forced convection for energy transformation devices, such as a solar tower. In this case the air contained in a collector is heated by the sun, and the resulting natural convection causes air to rise up the tower and to move a turbine, which produces electricity.
Oil & Gas
Several applications in the Oil & Gas industry can be simulated in XFlow with its state-of-the art multiphase solvers that accurately solve the surface tension effects at large and small scales, and solves different ratios of density and viscosity.
The computation of permeability curves, multiphase flow regime prediction, oil/gas pipe flow and fluid mixing are examples of the applications that XFlow allows many Oil & Gas companies to solve.
Wind Turbine Wake
An accurate unsteady aerodynamic analysis of a wind turbine. This simulation involves moving boundaries and fluid-structure interaction, which is possible thanks to XFlow's particle-based kinetic...
Convection-diffusion heat transfer analysis with XFlow 2011.
Coupling XFlow - EDEM - Ensight
A CFD-DEM simulation showcasing the one way coupling between EDEM and XFlow, post-processed with Ensight. XFlow simulated the velocity field (not shown) that transports particles of different sizes...
Wind turbine simulation
The unsteady aerodynamics of wind turbines can be easily analyzed in XFlow's virtual wind tunnel. The rotor spins freely depending on the torque exerted by the wind. The animation shows the vorticity...