CFD simulation of Darrieus wind turbine in static mode using Fluent

In this project, the Darrieus wind turbine is simulated in static mode to calculate the torque. You can access CAD and mesh files and simulated files by purchasing this product. With the purchase of this product, a training video will be sent to you about the Fluent simulation steps and a full explanation of the options.

$25.00

Description

In this project, the Darrieus wind turbine is simulated in static mode to calculate the torque. Darrieus wind turbine is one of the new and vital developments in clean energy production. Despite the massive production of fossil energy, severe limitations exist regarding air pollution, global warming, and natural disaster risks. For this reason, using renewable energy, such as wind energy, to produce electricity and reduce the pollution load, one of the solutions for using renewable energy is using wind turbines, which the Darrieus wind turbine is one.

The Darrieus wind turbine is a vertical axis wind turbine (VAWT) type that uses wind energy to generate electricity. The turbine consists of several curved blades mounted on a vertical shaft. The curvature of the blades causes them to be stressed only at high rotational speeds. Aeronautical engineer George Jean-Marie Darrieus first invented the Darrieus turbine. There are fundamental problems in protecting the Darrieus turbine against strong winds and its self-starting. This project defines the flow speed of 5 m/s with the velocity inlet boundary condition.

Method:

This project is simulated in 3D. The geometry of this project is designed by space claim software. The meshing of this geometry was done by Ansys meshing software. After meshing in ANSYS meshing software, the make polyhedral feature was used inside Fluent and tetra elements were converted to polyhedral elements. The number of elements used for this project is 344516. This simulation is done in a steady state. The coupling of velocity and pressure equations has also been done using the coupled algorithm.

Result:

After the simulation, we can see the speed and pressure contours. We can also get the torque the blades produce around the central axis. This simulation helps us to calculate the static torque that is effective in the spontaneous start of the turbine in different states and at different flow rates.

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