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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 />

96<br />

THURSDAY, JUNE 14: 8:00 a.m. - 10:00 a.m.<br />

8:00 8:30 9:00 9:30<br />

COMMITTEE: Oil & Gas Applications • Tu<strong>to</strong>rial Session Room 19 • ThA--21-14<br />

SUrGE CONTrOL<br />

Session Chair: Jeff Moore, Southwest Research Institute, San An<strong>to</strong>nio, TX, USA • Session Co-Chairs: Klaus Brun, SWRI, San An<strong>to</strong>nio, USA, rainer Kurz, Solar Turbines Incorporated, San Diego, CA, USA<br />

R<br />

Surge Control - Systems<br />

Rainer Kurz, Solar Turbines Incorporated, San Diego,<br />

CA, USA<br />

The Impact of ro<strong>to</strong>r Inlet Cavity volume and Length<br />

Scale on Efficiency<br />

GT<strong>2012</strong>-68076<br />

Konstantinos Barmpalias, Reza S. Abhari, ETH<br />

Zürich, Zurich, Switzerland, Anestis I. Kalfas, Aris<strong>to</strong>tle<br />

University of Thessaloniki, Thessaloniki, Greece, Naoki<br />

Shibukawa, Sasaki Takashi, Toshiba Corporation,<br />

Yokohama, Japan<br />

Surge Control -Dynamic Simulations<br />

Klaus Brun, SWRI, San An<strong>to</strong>nio, USA<br />

Influence of Shroud Cavity Jet and Steam Admission<br />

through a Circumferential Slot on the Flow Field in a<br />

Steam Turbine<br />

GT<strong>2012</strong>-68465<br />

David Engelmann, Tobias J. Kalkkuhl, Ronald<br />

Mailach, Ruhr-Universität Bochum, Bochum, Germany,<br />

Thomas Polklas, MAN Diesel & <strong>Turbo</strong> SE, Oberhausen,<br />

Germany<br />

Surge Control - Compressor Behavior<br />

Jeff Moore, Southwest Research Institute, San An<strong>to</strong>nio,<br />

TX, USA<br />

COMMITTEE: Steam Turbines • Paper Session Room B4-M2 • ThA--23-7<br />

STEAM TUrBINE SEALS AND LEAKAGE INTErACTION<br />

Session Chair: Simon Hogg, Durham University, Durham, UK<br />

Effects of Bending Moments and Pre-Tightening<br />

Forces on the Flexural Stiffness of Contact<br />

Interfaces in rod-Fastened ro<strong>to</strong>rs<br />

GT<strong>2012</strong>-68221<br />

Jin Gao, Qi Yuan, Pu Li Xi’an Jiao Tong University,<br />

Xi’an, China, Hongtao Zhang, Zhiqiang Lv, Harbin<br />

Turbine Company Limited, Harbin, Heilongjiang, China<br />

ro<strong>to</strong>r Dynamics of Overhung ro<strong>to</strong>rs - Hysteretic<br />

Dynamic Behavior<br />

GT<strong>2012</strong>-68285<br />

Manuel Marin, Dresser-Rand, Hous<strong>to</strong>n, TX, USA<br />

Design Parameters of Brush Seals and Their Impact<br />

on Seal Performance<br />

GT<strong>2012</strong>-68956<br />

Heiko Schwarz, Jens Friedrichs, University of<br />

Braunschweig, Institute of Jet Propulsion and<br />

<strong>Turbo</strong>machinery, Braunschweig, Germany, Johan<br />

Flegler, Siemens AG, Muelheim an der Ruhr, Germany<br />

ro<strong>to</strong>r Model validation for an Active Magnetic<br />

Bearing Based Machining Spindle<br />

GT<strong>2012</strong>-68661<br />

Adam C. Wroblewski, ASRC Aerospace, Inc., Cleveland,<br />

OH, USA, Jerzy T Sawicki, Alexander H. Pesch,<br />

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

The Effect of the Degree of reaction on the Leakage<br />

Loss in Steam turbines<br />

GT<strong>2012</strong>-69602<br />

Sungho Yoon, Als<strong>to</strong>m Power, Rugby, UK<br />

COMMITTEE: Structures & Dynamics: ro<strong>to</strong>rdynamics • Paper Session Room B3-M10 • ThA--27-3<br />

rOTOrDyNAMIC ANALySIS I<br />

Session Chair: Theodore Brockett, Honeywell Aerospace, Phoenix, AZ, USA<br />

Damping and Inertia Coefficients for Two Open<br />

Ends Squeeze Film Dampers with a Central Groove:<br />

Measurements and Predictions<br />

GT<strong>2012</strong>-68212<br />

Luis San Andrés, Texas A&M University, College<br />

Station, TX, USA<br />

On the Nonlinear Dynamics of Two Types of Backup<br />

Bearings – Theoretical and Experimental Aspects<br />

GT<strong>2012</strong>-68319<br />

Said Lahriri, Ilmar San<strong>to</strong>s, Technical University of<br />

Denmark, Kgs. Lyngby, Denmark, Hans I. Weber,<br />

Catholic University of Rio de Janeiro, Rio de Janeiro,<br />

Brazil, , Henning Hartmann, Lloyd’s Register ODS,<br />

Hellerup, Denmark<br />

A System Identification Method for Excitation-<br />

Frequency Dependent ro<strong>to</strong>rdynamic Coefficients<br />

GT<strong>2012</strong>-69311<br />

Tim Dimond, Amir Younan, Paul Allaire, University of<br />

Virginia, Charlottesville, VA, USA<br />

Dynamic response Analysis Of ro<strong>to</strong>r System With<br />

Uncertain Parameters via Interval Analysis Method<br />

GT<strong>2012</strong>-69007<br />

Jie Hong, Meng Chen, Yanhong Ma, Beihang<br />

University, Beijing, China, Jun Wang, Shenyang<br />

Aeroengine Research Institute, Shen Yang, China<br />

COMMITTEE: Structures & Dynamics: Bearing & Seal Dynamics • Paper Session Room B3-M8 • ThA--28-3<br />

BEArINGS AND DAMPErS I – MODELING AND vALIDATION<br />

Session Chair: Sergei Glavatskih, KTH Royal Institute of Technology, S<strong>to</strong>ckholm, Sweden • Session Co-Chair: Ilmar San<strong>to</strong>s, Technical University of Denmark, Kgs. Lyngby, Denmark<br />

A General Model for Two-Point Contact Dry-Friction<br />

Whip and Whirl<br />

GT<strong>2012</strong>-69800<br />

Jason Wilkes, Southwest Research Institute, San<br />

An<strong>to</strong>nio, TX, USA

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