1. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Twelve-bladed PDS: (a) conventional PDS and (b) fully partitioned PDS

2. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Geometries of experimental annular gas seals [17]: (a) labyrinth seal and (b) FPDS

3. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Computational models and meshes of two types of annular gas seals: (a) labyrinth seal and (b) FPDS

4. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Elliptical orbit whirling model for the rotor vibration with a single frequency: (a) x-direction excitation and (b) y-direction excitation

5. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Rotordynamic coefficients versus vibration frequency without and with inlet preswirl: (a) labyrinth seal and (b) FPDS

6. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Seal leakage flow rate versus positive preswirl ratio

7. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Rotordynamic coefficients versus vibration frequency at different positive inlet preswirls: (a) labyrinth seal and (b) FPDS

8. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Static pressure contours on the cross section through the middle of annular cavity 7 or pocket cavity 3 and phasor diagram of the response force at different positive preswirls (x excitation, T=0.1  s): (a) labyrinth seal and (b) FPDS

9. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Seal leakage flow rate versus negative preswirl ratio

10. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Rotordynamic coefficients versus vibration frequency at different negative inlet preswrils: (a) labyrinth seal and (b) FPDS

11. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Static pressure contours on the cross section through the middle of annular cavity 7 or pocket cavity 3 and phasor diagram of the response force at high negative preswirl (λ=−1.0, x excitation, T=0.1  s): (a) labyrinth seal and (b) FPDS

12. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Swirl velocity distribution along relative cavity depth at different inlet preswirl velocity: (a) labyrinth seal and (b) FPDS

13. Date of download: 10/19/2017
Copyright © ASME. All rights reserved.
From: Numerical Comparison of Rotordynamic Characteristics for a Fully Partitioned Pocket Damper Seal and a Labyrinth Seal With High Positive and Negative Inlet Preswirl
J. Eng. Gas Turbines Power. 2015;138(4): doi: /
Figure Legend:
Cross-coupling stiffness representation of follower force on a forward rotor mode