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Large-Eddy Simulations of Idealized Atmospheric Boundary Layers Using Nalu-Wind

Journal Article · · Journal of Physics. Conference Series
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  1. Pacific Northwest National Lab. (PNNL), Richland, WA (United States)
  2. National Renewable Energy Lab. (NREL), Golden, CO (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
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Accurate prediction of wind-plant performance relies, in part, on properly characterizing the turbulent atmospheric boundary layer (ABL) flow in which wind turbines operate. Large-eddy simulation (LES) is a powerful tool for simulating ABLs because it resolves the largest, most energetic scales of three-dimensional turbulent motions. Yet LES predictions are well known to depend on modeling choices such as grid resolution, numerical discretization schemes, and closures for unresolved scales of turbulence. Here, we evaluate how these choices influence predictions of ABL winds using Nalu-Wind, a wind-specific fork of the open-source, generalized, unstructured, massively parallel flow solver NaluCFD/Nalu.
Research Organization:
National Renewable Energy Laboratory (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind Energy Technologies Office
Grant/Contract Number:
AC36-08GO28308
OSTI ID:
1659952
Alternate ID(s):
OSTI ID: 1606324
Report Number(s):
NREL/JA-2C00-77162; MainId:26108; UUID:5dd5f351-2537-4852-b6a1-217a7eebc690; MainAdminID:13684
Journal Information:
Journal of Physics. Conference Series, Journal Name: Journal of Physics. Conference Series Vol. 1452; ISSN 1742-6588
Publisher:
IOP PublishingCopyright Statement
Country of Publication:
United States
Language:
English

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Related Subjects

17 WIND ENERGY
Nalu-Wind
atmostpheric boundary layer
large-eddy simulation
turbulence
wind plant performance
wind turbines