21-Year Modeled Spatiotemporal Low-Level Jet Climatology Along the U.S. Mid-Atlantic Coast

Andrew Kumler, Julie Lundquist, Nicola Bodini, Prakash Mohan, Raghu Krishnamurthy

Research output: NRELPresentation

Abstract

Offshore wind farms are influenced by a variety of meteorological phenomena, ranging in spatial and temporal extent. One of these phenomena, the low-level jet (LLJ), is defined as a local maximum in wind speed with height in the planetary boundary layer, exhibiting a "nose-like" structure usually in the lowest few hundred meters above the surface. This vertical extent of LLJs may coincide with the rotor-swept area of a wind turbine, thus having implications for potential power production and mechanical loading. Previous studies in this area based on observations have confirmed the prevalence of LLJs here, with implications on power generation, wind turbine loads, and wake recovery depending on the LLJ characteristics, such as nose height and what part of the wind turbine power curve is being impacted.
Original languageAmerican English
Number of pages29
StatePublished - 2023

Publication series

NamePresented at the North American Wind Energy Academy (NAWEA)/WindTech 2023 Conference, 30 October - 1 November 2023, Denver, Colorado

NREL Publication Number

  • NREL/PR-5000-87996

Keywords

  • LLJ
  • low-level jet
  • offshore wind
  • WFIP3
  • wind energy
  • WRF

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