NREL 5 MW Wind Turbine : CFD Analysis with Validation

Name: NREL 5 MW Wind Turbine : CFD Analysis with Validation
Rating: 4.0 (8 reviews)

Expert CFD Analysis of Wind Turbines: Advanced Simulation Techniques and Validation with ANSYS Fluent

Created bySijal Ahmed

Last updated 9/2024

English

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What you'll learn

Students will grasp the fundamentals of CFD modeling specifically for wind turbines.
Participants will create high-quality CFD meshes that accurately resolve boundary layers and provide fine detail in critical areas.
Students will set up and execute simulations in Fluent, optimizing settings for wind turbine applications.
Participants will perform post-processing of results in both Fluent and CFD Post, validating their findings against experimental data from NREL

Course content

1 section • 11 lectures • 3h 47m total length

Introduction11:50
Explore CFD analysis of the NREL five-megawatt wind turbine using ANSYS 2024, covering steady-state hawt modeling, baseline scaling from a six-megawatt design, and practical design considerations.
Geometry Description13:18
Explore the geometry description of the NREL five megawatt wind turbine, detailing blade aerofoil sections, twist, pitch axis, and hub and rotor dimensions.
Domain size and CFD modeling discussion for wind turbines8:19
Model wind turbine CFD by creating a two-domain setup: a rotating blade domain and a stationary atmosphere domain, using frame motion or sliding mesh with frozen rotor.
Domain creation in spaceclaim32:11
Open SpaceClaim, import the SolidWorks wind turbine geometry, and configure inner and outer CFD domains with interfaces and periodic boundaries.
Creating body on influence for mesh refinement in wake region20:19
Refine the wake region with targeted mesh refinement around the body of influence to improve CFD results for the wind turbine in inner and outer domains.
Meshing in Fluent Meshing using watertight work-flow45:00
Learn to create a watertight geometry workflow in Fluent for inner and outer wind turbine domains, set local sizing and boundary conditions, and validate mesh quality for CFD analysis.
Running simulation and expected results16:40
Set up and solve a fluent CFD simulation for 5 MW wind turbine. Configure inner and outer domains, frame motion, boundary conditions, and SST k-omega, and monitor torque and power.
Mesh improvement, advanced level commands and improved results37:20
Refine the wind turbine cfd mesh with advanced commands, improving leading edge resolution, wake region handling, curvature based sizing, and boundary layer setup to achieve converged results and Fluent workflows.
Y+ adaptation5:04
Adopt y plus adaptation for wind turbine CFD by refining the mesh with manual and precision-metric criteria, and note small power changes when target y plus is reached.
Results postprocessing in Fluent21:31
Post-processing in Fluent covers loading results, generating wall-pressure contours, y-plus evaluation, and creating planes, isosurfaces, and vector plots to analyze blade cross-sections and aerofoil behavior.
Results post processing in CFD-Post15:54
Post-process wind turbine CFD results in CFD post, compare its professional graphics to fluent, load json data, and create contours, vectors, isosurfaces, and boundary-layer visuals.

Requirements

Fundamental knowledge of wind turbines and fluid dynamics
Practical experience with ANSYS CFD software (such as Fluent)
A computer with at least 16 GB of RAM; 32 GB is preferred, equipped with an i5 or i7 processor (10th generation or newer)
Windows 10 Professional operating system
ANSYS version 2024 R1 or newer

Description

Master the power of Computational Fluid Dynamics (CFD) and gain hands-on experience in simulating large-scale wind turbines with this in-depth course on the NREL 5 MW Wind Turbine CFD Analysis with Validation. This course is ideal for engineers, researchers, and students eager to specialize in wind energy simulation and aerodynamic performance analysis.

The geometry is provided in SolidWorks format, allowing you to start directly from ANSYS SpaceClaim for geometry cleanup and domain setup. You will learn how to efficiently prepare the model for simulation and create a high-quality mesh using the watertight workflow in Fluent Meshing, ensuring accuracy and smooth convergence.

After meshing, you’ll move into ANSYS Fluent to perform a detailed CFD analysis under realistic operating conditions, including an inlet velocity of 11.4 m/s and a rotational speed of 12.1 RPM. The course emphasizes validation, where your simulation results are compared with reference data, achieving an exceptional 0.3% error margin.

You’ll also explore how to interpret pressure and velocity fields, evaluate torque and power coefficients, and analyze the turbine’s overall aerodynamic efficiency.

By the end of this course, you will have mastered industry-standard CFD techniques for wind turbine modeling, validation, and optimization — equipping you with practical skills to advance in renewable energy engineering, fluid mechanics research, and aerodynamic design innovation.

Who this course is for:

This course is designed for engineering students, recent graduates, and professionals in the fields of mechanical, aerospace, or renewable energy engineering who are interested in enhancing their skills in computational fluid dynamics (CFD) specifically for wind turbine analysis. It is ideal for those looking to deepen their understanding of turbine design and optimization, as well as for researchers and engineers involved in renewable energy projects. Additionally, anyone aiming to advance their expertise in CFD tools like ANSYS Fluent will find this course beneficial.