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Welcome to Turbo Expo 2012! - Events

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Look for this Symbol R for Gas Turbine User Related Sessions ASME TURBO EXPO <strong>2012</strong> FINAL PROGRAM<br />

122<br />

FRIDAY JUNE 15: 10:15 a.m. - 12:45 p.m.<br />

10:15 10:45 11:15 11:45 12:15<br />

COMMITTEE: Structures & dynamics: Fatigue, Fracture & life Prediction • Paper Session Room B3-M6 • FB-25-4<br />

FATIguE 4 (lCF FATIguE MOdElS)<br />

Session Chair: Martin Hughes, Siemens Industrial <strong>Turbo</strong>machinery Ltd., Lincoln, UK<br />

An Energy-Based Axial Isothermal-<br />

Mechanical Fatigue lifing Method<br />

GT<strong>2012</strong>-68889<br />

John Wertz, Todd Letcher, Herman Shen,<br />

The Ohio State University, Columbus, OH,<br />

USA, Onome Scott-Emuakpor, AFRL/RZTS,<br />

WPAFB, OH, USA, Tommy George, Charles<br />

J. Cross, Air Force Research Labora<strong>to</strong>ry,<br />

WPAFB, OH, USA<br />

A Robust Optimization Technique for<br />

Calculating Scaling Coefficients in an<br />

Energy-Based Fatigue life Prediction<br />

Method<br />

GT<strong>2012</strong>-68905<br />

Todd Letcher, John Wertz, Herman Shen,<br />

The Ohio State University, Columbus, OH,<br />

USA<br />

Strain Rate and loading Waveform<br />

Effects on an Energy-Based Fatigue life<br />

Prediction for Al6061-T6<br />

GT<strong>2012</strong>-68911<br />

Todd Letcher, Herman Shen, The Ohio<br />

State University, Columbus, OH, USA,<br />

Onome Scott-Emuakpor, AFRL/RZTS,<br />

WPAFB, OH, USA, Tommy George, Charles<br />

J. Cross, Air Force Research Labora<strong>to</strong>ry,<br />

WPAFB, OH, USA<br />

damage Parameter Assessment for<br />

Energy Based Fatigue life Prediction<br />

Methods<br />

GT<strong>2012</strong>-68919<br />

Casey Holycross, John Wertz, Todd<br />

Letcher, Herman Shen, The Ohio State<br />

University, Columbus, OH, USA, Onome<br />

Scott-Emuakpor, AFRL/RZTS, WPAFB, OH,<br />

USA, Tommy George, Air Force Research<br />

Labora<strong>to</strong>ry, WPAFB, OH, USA<br />

The Effect of Compressive damage<br />

on Tensile loading Failure of Titanium<br />

6Al-4V<br />

GT<strong>2012</strong>-69079<br />

Onome Scott-Emuakpor, AFRL/RZTS,<br />

WPAFB, OH, USA, Tommy George, Air Force<br />

Research Labora<strong>to</strong>ry, WPAFB, OH, USA,<br />

Casey Holycross, AFRL/The Ohio State<br />

University, WPAFB, OH, USA, John Wertz,<br />

The Ohio State University, Columbus, OH,<br />

USA<br />

COMMITTEE: Structures & dynamics: Ro<strong>to</strong>rdynamics • Paper Session Room B3-M8 • FB-27-6<br />

BEARIngS And SEAlS<br />

Session Chair: Tim dimond, University of Virginia, Charlottesville, VA, USA<br />

Steady-State and Ro<strong>to</strong>rdynamic<br />

Characteristics of a Flexure Pivot Pad<br />

Bearing with an Integral Squeeze Film<br />

damper<br />

GT<strong>2012</strong>-68564<br />

Jeff Agnew, Dara Childs, <strong>Turbo</strong>machinery<br />

Labora<strong>to</strong>ry, College Station, TX, USA<br />

Effect of Cooling Flow on the Operation<br />

of a Hot Ro<strong>to</strong>r-gas Foil Bearing System<br />

GT<strong>2012</strong>-68074<br />

Keun Ryu, BorgWarner <strong>Turbo</strong> Systems,<br />

Arden, NC, USA, Luis San Andrés, Texas<br />

A&M University, College Station, TX, USA<br />

Investigations on the Ro<strong>to</strong>rdynamic<br />

Coefficients of Pocket damper Seals<br />

using the Multi-Frequency, Onedimensional,<br />

Whirling Orbit Model and<br />

RAnS Solutions<br />

GT<strong>2012</strong>-69296<br />

Jun LI, Zhigang LI, Zhenping Feng, Xi’an<br />

Jiao<strong>to</strong>ng University, Xi’an, Shaanxi, China<br />

nonlinear dynamic Effect of Thrust<br />

Bearing on a Flexible Ro<strong>to</strong>r Bearing<br />

System<br />

GT<strong>2012</strong>-68487<br />

Heng Liu, Yi Liu, Xi’an Jiao<strong>to</strong>ng University,<br />

Xi’an, Shannxi, China, Xuebin Song, Xian<br />

Jiao<strong>to</strong>ng University, Xian, Shannxi, China,<br />

Jun Yi, Minqing Jing, Xi’an Jiao<strong>to</strong>ng<br />

University, Xi’an, Shanxi, China, Weimin<br />

Wang, Shiquan Zhao, Xiaobing Qi,<br />

Dongfang Turbine Co., Ltd., Deyang, Sichuan,<br />

China<br />

Identification of Bearing Stiffness and<br />

damping Coefficients using Phase-Plane<br />

diagrams<br />

GT<strong>2012</strong>-69980<br />

Juan Carlos Jauregui, Universidad<br />

Autónoma de Queretaro, Queretaro,<br />

Qro,Mexico, Oscar de Santiago, CIATEQ<br />

A.C., Queretaro, Queretaro,Mexico, Luis San<br />

Andres, Texas A & M University, College<br />

Station, TX, USA<br />

COMMITTEE: Structures & dynamics: Bearing & Seal dynamics • Paper Session Room B4-M2 • FB-28-1<br />

CFd APPlIEd TO BEARIng And SEAl dynAMICS<br />

Session Chair: Kenny Krogh nielsen, Lloyds Register ODS, Hellerup, Denmark • Session Co-Chairs: Mihai Arghir, Institut Pprime, Futuroscope Chasseneuil Cedex, France, Ilmar San<strong>to</strong>s, Technical University of Denmark, Kgs. Lyngby, Denmark<br />

A new Hole-Pattern Annular gas Seal<br />

design Incorporating larger diameter<br />

Holes<br />

GT<strong>2012</strong>-68208<br />

Michael Vannarsdall, Texas A&M<br />

University, Hous<strong>to</strong>n, TX, USA, Dara Childs,<br />

Texas A&M University, College Station, TX,<br />

USA<br />

Hole-Pattern and Honeycomb Seals<br />

Ro<strong>to</strong>rdynamic Forces: Validation of CFd<br />

Based Prediction Techniques<br />

GT<strong>2012</strong>-69878<br />

Kenny Krogh Nielsen, Kasper M. Joenck,<br />

Lloyds Register ODS, Hellerup,Denmark,<br />

Harald Underbakke, Sta<strong>to</strong>il,<br />

Stavanger,Norway<br />

CFd-Predicted Ro<strong>to</strong>rdynamic Coefficients<br />

for a 20-Teeth-on-Sta<strong>to</strong>r labyrinth Seal at<br />

High Supply Pressure Conditions<br />

GT<strong>2012</strong>-68381<br />

Alexander O. Pugachev, Heiko Degen,<br />

Technische Universität München, Garching,<br />

Germany<br />

A CFd Study on The dynamic<br />

Coefficients of labyrinth Seals<br />

GT<strong>2012</strong>-68292<br />

Donghui Zhang, Chester Lee, Solar<br />

Turbines Inc, San Diego, CA, USA, Michael<br />

J. Cave, Solar Turbines Inc., San Diego, CA,<br />

USA<br />

development and Validation of a Threedimensional<br />

Multiphase Flow CFd<br />

Analysis for Journal Bearings in Steam<br />

and Heavy duty gas Turbines<br />

GT<strong>2012</strong>-68201<br />

Stephan Uhkoetter, University of Applied<br />

Sciences Muenster, Steinfurt, North Rhine-<br />

Westphalia, Germany, Michael Kursch,<br />

Christian Beck, Siemens AG, Muelheim<br />

an der Ruhr, Germany, Stefan aus der<br />

Wiesche, Muenster University of Applied<br />

Sciences, Steinfurt, Germany

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