Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Schematic views of HAWT in yawed wind. Left plot: top view; right plot: front view.

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Velocity triangles of HAWT blade section for positions labeled A to D in Fig.

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Harmonic motion of HAWT blade section corresponding to yawed inflow

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Amplitude of the first harmonic of the differential static pressure coefficient across a pitching flat plate: comparison of theoretical result and numerical predictions obtained with and without LSP

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Lift coefficient of 90% blade section over one revolution computed with TD and five HB analyses

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Hysteresis force loops of 90% blade section computed with TD and five HB analyses (line legend as in fig. ): (a) lift coefficient, (b) drag coefficient, (c) pitching moment coefficient

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Convergence histories of TD, HB and steady analyses for 90% blade section

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Lift coefficient of 30% blade section over one revolution computed with TD and five HB analyses

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Hysteresis force loops of 30% blade section computed with TD and five HB analyses (line legend as in Fig. ): (a) lift coefficient, (b) drag coefficient, (c) pitching moment coefficient

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Convergence histories of TD, HB and steady analyses for 30% blade section

Date of download: 10/24/2017 Copyright © ASME. All rights reserved. From: Analysis of Unsteady Flows Past Horizontal Axis Wind Turbine Airfoils Based on Harmonic Balance Compressible Navier-Stokes Equations With Low-Speed Preconditioning J. Turbomach. 2012;134(6):061020-061020-13. doi:10.1115/1.4006293 Figure Legend: Lift coefficient of 30% blade section computed by TD analysis with and without low-speed preconditioning