Extendsive Inc.: Authorized Distributor of XFlow CFD in North America
Extendsive Inc.:  Authorized Distributor of XFlow CFD in North America

Clean Energy

XFlow's ability to model systems that are extremely large physically, while including necessary levels of detail in the physical geometry and the flow physics, makes it suitable for modeling a variety of clean energy applications.


Application Areas Include:

  • Aerodynamics and Siting of Wind Turbines
  • Natural Convection
  • Wave Power Modeling Using Free Surface
  • Solar Power Installations
  • And More.

Aerodynamics of and Siting of Wind Turbines:  The unsteady aerodynamics of both land-based and offshore 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.  Acoustic effects, which are increasing important in wind turbine siting, can also be modeled.

XFlow simulation of a wind turbine.

Natural Convection:  XFlow CFD can simulate flows driven by natural or forced convection for energy transformation devices, such as a solar tower. In the "solar chimney" case shown below, 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 to produce electricity.

Wave Power Modeling Using Free Surface:  XFlow CFD simulations of a liquid's free surface can be coupled directly to multi-body dynamics.  In this example, sea wave power extraction devices  allowed to move.  The constraints between the different bodies can be virtual joints or forced by the contact between the real geometries.  In this example, it is the connecting devices ahere the energy is extracted.

Solar Power Installations:  Solar power plants may be powered by the sun but they must be designed to withstand the wind, including winds at storm levels.  Loads over parabolic collectors can easily be simulated.  XFlow CFD can provide average pressure distributions and transient data of maximum and minimum peaks.  XFlow CFD can quickly and easily determine the fow around and through even large solar installations and provide information to guide engineering decisions about siting and structural design.  


In the simple example shown below, a flexible object and the air flow around it are seen fully coupled and inter-reacting, a simulation that is simple to set up in XFlow CFD.

XFlow CFD simulation of a flexible object and the air flow around it. It can be seen that they are fully coupled and inter-reacting, a simulation that is simple to set up in XFlow CFD.

For more information, or for questions about a specific application, contact us here.

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