Method for aerodynamic analysis of wind turbines at peak power

Sven Schmitz, Jean Jacques Chattot

Research output: Contribution to journalArticlepeer-review

1 Scopus citations


Two computational vortex line models, Vortex line method (VLM) and a parrallelized coupled solver (PCS), which are used in the aerodynamic analysis of wind turbines at peak power point have been compared at National Renewable Energy Laboratory. VLM is a numerical method used to evaluate local lift and drag coefficient, but it does evaluate spanwise flow gradients, which are associated with 3-D effects in large separated region. PCS method has proved potential in delineating the 3-D vortical flow phenomena occurring near peak power of NREL phase 6 rotor. The comparison of PCS results with a vortex line method showed major discrepancies in the spanwise bound circulation and local lift coefficients. The coupling of a near-field NS solver with a far-field wake model has proved to be future analysis tool of wind turbine aerodynamics and the design of stall-controlled wind turbine. It is more efficient than full- domain NS analysis and reduces numeric dissipation of vortical structure.

Original languageEnglish (US)
Pages (from-to)243-246
Number of pages4
JournalJournal of Propulsion and Power
Issue number1
StatePublished - 2007

All Science Journal Classification (ASJC) codes

  • Aerospace Engineering
  • Fuel Technology
  • Mechanical Engineering
  • Space and Planetary Science


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