1. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Schematic of OSU cascade facility. Measurement planes and stereo-PIV camera setup included. L2F airfoil not shown.

2. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Experimental pressure loading for L2F in OSU cascade compared to predictions from both FLUENT and MISES. FLUENT predictions are computed using the case file developed in Lyall et al. [18].

3. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Schematic of jet implementation on airfoil suction surface. Jets highlighted in red are used in the optimized four-jet design.

4. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Comparison of pitchwise-average total pressure loss coefficient between baseline and seven-jet control configuration for AFRL and OSU facilities. Relative spanwise position of the jets is shown with circles on the left.

5. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Comparison of pitchwise-average total pressure loss coefficient for four-jet and seven-jet configurations on the AFRL cascade. Relative spanwise position of the jets is shown on the left, with the four-jet configuration circles filled.

6. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Contours of out-of-plane velocity overlaid with in-plane velocity vectors. The vortex center is marked with a black dot. y/S = 0 is the suction surface trailing edge.

7. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Vortex location in the PIV plane for steady control as a function of momentum coefficient, comparing the seven-jet and four-jet configurations

8. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Normalized total pressure loss in the outlet plane as a function of vortex to suction surface distance for various momentum coefficients

9. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Distance between suction surface and vortex center and jet exit velocity as a function of actuation period. Three reduced frequencies are shown, F+ = 0.1 (top), F+ = 0.4 (middle), and F+ = 1.2 (bottom).

10. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Hysteresis loops of vortex center in the PIV plane for a range of actuation frequencies

11. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Hysteresis loops of the vortex center for variations of duty cycle. All unsteady data are obtained with VR = 5.7.

12. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Time-average normalized total pressure loss versus mass flow ratio for various control configurations. Dotted lines connect specific test campaigns, for clarity.

13. Date of download: 10/7/2017
Copyright © ASME. All rights reserved.
From: Parametric Optimization of Unsteady End Wall Blowing on a Highly Loaded Low-Pressure Turbine
J. Turbomach. 2014;136(7): doi: /
Figure Legend:
Selected phases of the F+ = 0.1 actuation cycle demonstrating the initiation (left) and conclusion (right) of the jet actuation