Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Schematic view of the arc airfoil in equilibrium position and its deforming motion with time; angle of attack α, chord length C, camber mC, global coordinates XY, and local coordinates xy are shown. The origin of the local reference frame is positioned at (X0, Y0).

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Local tangential acceleration (m/s2) of the oscillating airfoil surface at selected times

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Time-averaged lift and drag coefficients of the stationary arc airfoil are compared with the experimental data of Ref. [22]; the experimental data are for cambers of 0.09C and 0.12C with Re = 7600; computations are for 0.10C and Re = 10,000

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Grid refinement effect on instantaneous u-component of velocity at streamwise locations X/C = 0.2 (intersecting the boundary layer) and X/C = 0.8 (near the wake) for Re = 10,000 and α = 2  deg at t = 5 s

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Vorticity flux determined from vorticity gradient is compared with the tangential pressure gradient (Pa/m) for the stationary airfoil

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Vorticity flux determined from vorticity gradient is compared with the combined effect of tangential pressure gradient and tangential wall acceleration for the oscillating airfoil; the ordinate is in Pa/m

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Lift and drag coefficients: Re = 10,000,α = 10 deg,m = 0.1,f = 36.55 Hz

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Frequency response of the lift coefficient to airfoil oscillations at Re = 10,000 and α = 0 deg (upper graph) and α = 10 deg (lower graph)

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Pressure and vorticity distribution for flow over the stationary airfoil for α = 0 deg (left) and α = 2 deg (right)

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Vorticity contours and the corresponding velocity vectors; from top to bottom, first and second rows: stationary airfoil, α = 0 deg,m = 0.1,Re = 10,000; third and fourth rows: oscillating airfoil, α = 10 deg,f = 40,A = 0.1,m = 0.1,Re = 10,000

Date of download: 10/1/2017 Copyright © ASME. All rights reserved. From: Vortex Generation in Low-Speed Flow Over an Oscillating and Deforming Arc Airfoil J. Fluids Eng. 2012;135(1):011102-011102-10. doi:10.1115/1.4023075 Figure Legend: Contours of vorticity from ω = -1000 to +1000 1/s; first row from top (stationary, f = 0,A = 0): α = 0 deg, second row (stationary, f = 0,A = 0): α = 10 deg, third row (oscillating, f = 40,A = 0.1): α = 0 deg, fourth row (oscillating, f = 40,A = 0.1): α = 10 deg; time between frames in each row is 0.01 s; Re = 10,000, m = 0.1