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Title: Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint

Abstract

In this work, we present results of a large-eddy simulation of the 48 multi-megawatt turbines composing the Lillgrund wind plant. Turbulent inflow wind is created by performing an atmospheric boundary layer precursor simulation and turbines are modeled using a rotating, variable-speed actuator line representation. The motivation for this work is that few others have done wind plant large-eddysimulations with a substantial number of turbines, and the methods for carrying out the simulations are varied. We wish to draw upon the strengths of the existing simulations and our growing atmospheric large-eddy simulation capability to create a sound methodology for performing this type of simulation. We have used the OpenFOAM CFD toolbox to create our solver.

Authors:
; ; ; ; ; ;
Publication Date:
Research Org.:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Org.:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
OSTI Identifier:
1033443
Report Number(s):
NREL/CP-5000-53554
TRN: US201202%%757
DOE Contract Number:  
AC36-08GO28308
Resource Type:
Conference
Resource Relation:
Conference: Presented at the 50th AIAA Aerospace Sciences Meeting, 9-12 January 2012, Nashville, Tennessee
Country of Publication:
United States
Language:
English
Subject:
17 WIND ENERGY; ACTUATORS; AERODYNAMICS; BOUNDARY LAYERS; LARGE-EDDY SIMULATION; PRECURSOR; SIMULATION; TURBINES; wind plant aerodynamics; wind farm aerodynamics; large-eddy simulations; wind turbine; atmospheric turbulence

Citation Formats

Churchfield, Matthew J., Lee, Sang, Moriarty, Patrick J., Martinez, Luis A., Leonardi, Stefano, Vijayakumar, Ganesh, and Brasseur, James G. Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint. United States: N. p., 2012. Web. doi:10.2514/6.2012-537.
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Churchfield, Matthew J., Lee, Sang, Moriarty, Patrick J., Martinez, Luis A., Leonardi, Stefano, Vijayakumar, Ganesh, & Brasseur, James G. Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint. United States. https://doi.org/10.2514/6.2012-537
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Churchfield, Matthew J., Lee, Sang, Moriarty, Patrick J., Martinez, Luis A., Leonardi, Stefano, Vijayakumar, Ganesh, and Brasseur, James G. 2012. "Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint". United States. https://doi.org/10.2514/6.2012-537. https://www.osti.gov/servlets/purl/1033443.
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@article{osti_1033443,
title = {Large-Eddy Simulation of Wind-Plant Aerodynamics: Preprint},
author = {Churchfield, Matthew J. and Lee, Sang and Moriarty, Patrick J. and Martinez, Luis A. and Leonardi, Stefano and Vijayakumar, Ganesh and Brasseur, James G.},
abstractNote = {In this work, we present results of a large-eddy simulation of the 48 multi-megawatt turbines composing the Lillgrund wind plant. Turbulent inflow wind is created by performing an atmospheric boundary layer precursor simulation and turbines are modeled using a rotating, variable-speed actuator line representation. The motivation for this work is that few others have done wind plant large-eddysimulations with a substantial number of turbines, and the methods for carrying out the simulations are varied. We wish to draw upon the strengths of the existing simulations and our growing atmospheric large-eddy simulation capability to create a sound methodology for performing this type of simulation. We have used the OpenFOAM CFD toolbox to create our solver.},
doi = {10.2514/6.2012-537},
url = {https://www.osti.gov/biblio/1033443}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sun Jan 01 00:00:00 EST 2012},
month = {Sun Jan 01 00:00:00 EST 2012}
}
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Conference:
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https://doi.org/10.2514/6.2012-537
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Works referenced in this record:

The spatial structure of neutral atmospheric surface-layer turbulence
journal, August 1994

Large eddy simulation study of fully developed wind-turbine array boundary layers
journal, January 2010

Large-eddy simulation of atmospheric boundary layer flow through wind turbines and wind farms
journal, April 2011

Numerical Modeling of Wind Turbine Wakes
journal, May 2002

Numerical study of the turbulent flow past an airfoil with trailing edge separation
journal, November 1983

Solution of the implicitly discretised fluid flow equations by operator-splitting
journal, January 1986

Wind stress on a water surface
journal, October 1955

Three-Dimensional Buoyancy- and Shear-Induced Local Structure of the Atmospheric Boundary Layer
journal, March 1998

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