ROMAC Annual Meeting
Charlottesville, VA
Monday,June 25, 2012
6:30 - 8:30 p.m.Welcoming Reception for Attendees
Heavy Hors d’oeuvres, Open Bar
ROMAC Annual Meeting
Charlottesville, VA
Tuesday, June 26, 2012
Session 1 - ROMAC Introduction8:10-8:20 / Tim Dimond
UVA / 1 / Welcome to ROMAC
Barry Johnson
8:20-9:00 / 2 / ROMAC 2012 Status and Research Projects
Houston Wood, Paul Allaire
Session 2 - ROMAC Software
9:00-9:40 / Tim Dimond
UVA / 3 / ROMAC Software Update
Jason Kaplan, Amir Younan
9:40-10:00 / 4 / ROMAC New GUI - RotorLab+
Sean Travis, Bob Ribando, Paul Allaire, , John Kocur, (ExxonMobil)
10:00-10:15 / BREAK
Session 3 - Annular Seals I
10:15-10:45 / Neal Morgan
/ 5 / Methods for Determining Seal Performance and Rotor Dynamic Properties
Alex Untaroiu, Patrick Migliorini, Houston Wood,
10:45-11:20 / 6 / A Hybrid CFD/Bulk Flow Method for Determining Flow and Rotordynamic Coefficients of Annular Gas Seals
Patrick Migliorini, Alex Untariou, Houston Wood, Paul Allaire
11:20-12:00 / 7 / ROMAC Flat Plate Seal Test Rig - Verification and Software Improvements
Brad Nichols, Tim Dimond, Neal Morgan, David Barnes, Chris Goyne, Paul Allaire
Parallel Session A / Parallel Session B
Session 4a - Annular Seals II / Session 4b - Magnetic Bearings I
1:00-1:40 / Alex Untariou
UVA / 8 / Hybrid Method for Water Seals - One Control Volume
Patrick Migliorini, Alex Untariou, Chuck Witt, Houston Wood, Paul Allaire / 1:00-1:40 / Pablo Yoon
UVA / 11 / Control of a High Speed Flexible AMB Rotor with Non-Collocated Sensor
Simon Mushi, Zongli Lin, Wei Jiang, Paul Allaire
1:40-2:20 / 9 / Hybrid Method for Water Seals - Three Control Volume
Patrick Migliorini, Alex Untariou, Chuck Witt, Houston Wood, Paul Allaire / 1:40-2:20 / 12 / Cross Coupled Stiffness Excitation and Control of a High Speed Flexible AMB Rotor
Simon Mushi, Zongli Lin, Wei Jiang, Paul Allaire
2:20-3:00 / 10 / New ROMAC High Speed Seal Test Rig - Flow and Rotordynamic Property Measurements
Brad Nichols, Tim Dimond, Parinya Anatachaisilp, Wei Jiang, Neal Morgan, David Barnes, Zongli Lin, Chris Goyne, Paul Allaire / 2:20-3:00 / 13 / Stabilization of AMB Systems with Input Delay - Applications to Remotely Controlled AMB Rotors
Zongli Lin, Pablo Yoon
3:00-3:15 / BREAK / 3:00-3:15 / BREAK
Session 5a - Rotordynamics Software I / Session 5b - Magnetic Bearings II
3:15-3:40 / Matt Wagner
GE Aviation / 14 / Advances in Rotor Modeling - New Code MatlabRotor
Michael Branagan, Paul Allaire, Amir Younan, Jawad Chaudhry, Sean Travis / 3:15-3:40 / Brad Nichols
UVA / 16 / Centrifugal Compressor Surge Suppression - Design of AMB Supported Test Rig
Pablo Yoon, Wei Jiang, Zongli Lin, Chris Goyne
3:40-4:20 / 15 / Analysis of Gears and Geared Systems - New code GearRotor
Jason Kaplan, Paul Allaire, Tim Dimond, Brad Nichols, Amir Younan / 3:40-4:20 / 17 / Surge Suppression Results from Centrifugal Compressor AMB Test Rig
Pablo Yoon, Zongli Lin, Paul Allaire, Chris Goyne
4:20-5:00 / Houston Wood
UVA / 18 / Keynote address:
Uranium Centrifuges in the World Today: Some History and Current Events Related to Non-Proliferation
Houston Wood / 4:20-5:00
7:30-9:00 p.m.Annual Meeting Banquet
After Dinner Talk:
A Brief History of Charlottesville
Blake Caravati, Former Mayor of Charlottesville
ROMAC Annual Meeting
Charlottesville, VA
Wednesday, June 27, 2012
Parallel Session A Parallel Session B
Time / Chair / Talk / Title and Author / Time / Chair / Talk / Title and Author8:00-8:40 / Houston Wood
UVA / 19 / Keynote address:
Kingsbury 100 Year Anniversary
Scan DeCamillo (Kingsbury Bearings)
Session 6 - Industry/University Talks on Rotor/Bearing Dynamics I
8:40-9:20 / 20 / Ultrasonic Transit Time Surge Sensors for Surge Control in Compressors
Jon Cloy, GE Measurement Solutions
9:20-10:00 / 21 / Optimization of Rotor Bearing Systems
Alex Untaroiu, Costin Untariou(Virginia Tech)
10:00-10:15 / BREAK
Session 7a - Rotordynamic Software II/Industrial Talk / Session 7b - Energy Storage Flywheels
10:15-10:50 / Brad Nichols
UVA / 22 / Nonlinear Transient Rotordynamics Analysis - New Code RotorTran
Jianming Cao, Paul Allaire, Jawad Chaudhry(MSC Nastran)
Presented by Tim Dimond / 10:15-10:50 / David Barnes
UVA / 25 / Comparative Study of Energy Storage Alternatives
Arunel Kailasan, David Sheffler, Paul Allaire, Jim Durand, The Ohio State University
10:50-11:25 / 23 / Realistic Modeling and Analysis of Squeeze Film Dampers with ROMAC Code
Tim Dimond, Amir Younan, Dave Sheffler, Feng He, Saeid Dousti / 10:50-11:25 / 26 / Energy storage flywheel : Concept, design & structural analysis
Arunvel Kailasan, Wei Jiang, David Sheffler, Pablo Yoon, Zongli Lin, Paul Allaire
11:25-12:00 / 24 / Rotordynamics Capability in ANSYS
Aline Beley (ANSYS) / 11:25-12:00
12:00-1:00 / LUNCH (provided at the Holiday Inn)
QUESTIONNAIRES DUE ON COLLAB
1:00-3:00 / Lab Tours
Magnetic Bearing Flexible Rotor Test Rig
Compressor Surge Test Rig
Fluid Film Bearing Test Rig
Gas Expanded Lubricant Bearing Test Rig
Gas Seal Test Rig
Fluid Film Bearing Stability Test Rig
Squeeze Film Damper Test Rig
Magnetic Bearing PID Controls Test Rig
Nonlinear Magnetic Bearing Controls Test Rig
3:00-3:15 / BREAK / 3:00-3:15 / BREAK
3:15-5:00 / ROMAC Software Help Session
Tim Dimond, Jason Kaplan, Brad Nichols / 3:15-5:00 / Research Discussions with Member Companies
ROMAC Annual Meeting
Charlottesville, VA
Thursday, June 28, 2012
Parallel Session A Parallel Session B
Time / Chair / Talk / Title and Author / Time / Chair / Talk / Title and AuthorSession 8a - Fluid Film Bearings II
8:00-8:40 / Neal Morgan
UVA / 27 / Update on Program THRUST
Jason Kaplan, Amir Younan, Paul Allaire, Ted Brockett, Honeywell Corporation / 8:00-8:40 / Pablo Yoon
UVA / 30 / Design and Analysis of Magnetic Suspension System in Energy Storage Flywheel
Arunvel Kailasan, Wei Jian, Pablo Yoon, Zongli Lin, Paul Allaire
8:40-9:20 / 28 / Experimental Research on Stability Evaluation and Control in Rotor-Bearing Systems
Weimin Wang, Beijing University of Chemical Technology, (Visiting Professor) / 8:40-9:20 / 31 / PID Tuning Methods for AMB System Control
Parinya Anantachasilp, Zongli Lin
9:20-10:00 / 29 / Static and Dynamic Floating Bush Bearing Analysis With Inertia Effects
Saeid Dousti, Amir Younan, Paul Allaire, UVA / 9:20-10:00 / 32 / System Identification for Frequency Dependent Rotordynamic Coefficients Demonstrated on Active Magnetic Bearing System
Tim Dimond, Simon Mushi, Zongli Lin, Paul Allaire
10:00-10:15 / BREAK
Session 9a - Industry/University Talks
10:15-10:50 / Houston Wood
UVA / 33 / Foil Bearing Design, Operation, and Modeling
Bill Marscher, Mechanical Solutions, Paul Allaire, Saeid Dousti / 10:15-10:50 / Tim Dimond
UVA / 36 / Update on Fluid Film Bearing Test Rig
Brad Nichols, Tim Dimond, Paul Allaire
10:50-11:25 / 34 / Update on Rotordynamics Capability in ABAQUS 6.12
Youngwon Han, Jack Cofer (Simulia Corporation) / 10:50-11:25 / 37 / New Approach to Centrifugal Compressor Stability Evaluation - Revival of Fluid Film Bearing Stability Rig
Weimin Wang (Beijing University of Chemical Technology (Visiting Professor)), Wei Jiang
11:25-12:00 / 35 / Control of Sheet Vibrations in Hot Dip Galvanizing Line by Electromagnetic Actuators
Jin Zhou (Nanjing University of Aeronautics and Astronautics (Visiting Professor)) / 11:25-12:00 / 38 / Nonlinear Modeling and Control of Active Magnetic Bearing Actuators
Ali Gerami, Paul Allaire, Zongli Lin
12:00-1:00 / LUNCH (provided at the Hoiiday Inn)
Session 10 - Future Research
1:00-3:20 / 39 / Future ROMAC Research Summary and Description
Houston Wood, Director
3:20-3:30 / BREAK
Session 11a - Gas Turbine Engine Modeling I
3:30-4:10 / Alex Untariou
UVA / 40 / Mechanical Construction of Jet Engine Components
David Sheffler / 3:30-4:10 / Saeid Dousti
UVA / 42 / The Sensitivity of TEHD Fluid Film Bearing Models to Eddy Viscosity Turbulence
Tim Dimond, Amir Younan, Paul Allaire
4:10-4:50 / 41 / Update on RR AE3007 Engine Modeling
Saeid Dousti, David Sheffler, Jason Kaplan, Amir Younan, Paul Allaire / 4:10-4:50 / 43 / Unbalance Response of Three Mass Rotor on Squeeze Film Bearings
Feng He, Paul Allaire
4:50-5:30 / 44 / GEL Bearing Test Rig Update
Brian Weaver, Andres Clarens, Amir Younan, Tim Dimond, Paul Allaire
ROMAC Annual Meeting
Charlottesville, VA
Friday, June 29, 2012
Parallel Session AParallel Session B
Time / Chair / Talk / Title and Author / Time / Chair / Talk / Title and AuthorSession 12a - Gas Turbine Engine Modeling II / Session 12b - Fluid Film Bearings II
8:00-8:40 / Feng He
UVA / 45 / Disks, Shafts and Bearing Compartments
David Sheffler, / 8:00-8:40 / Neal Morgan
UVA / 48 / Analysis of Hydrostatic Bearings for High Speed Cryogenic Applications
Tim Dimond, Paul Allaire
8:40-9:20 / 46 / Rotordynamic Modeling of Gas Turbine Engines with Effects of Squeeze Film Dampers - GENx 2B Engine
Jason Kaplan, David Sheffler, Amir Younan, Saeid Dousti, Feng He / 8:40-9:20 / 49 / Analysis of Hydrostatic Thrust Bearings - New Code HYDROSTAT
Tim Dimond, Paul Allaire
9:20-10:00 / 47 / Squeeze Film Damper Test Rig Update
David Barnes, Brad Nichols, Tim Dimond, Paul Allaire / 9:20-10:00 / 50 / Hydrostatic Bearing Analysis for Haystack Radio Telescope, Lincoln Labs/MIT
Tim Dimond, David Barnes, Paul Allaire
10:00-10:15 / BREAK / 10:00-10:15 / BREAK
Session 13a - Gas Turbine Engine/Rotordynamics Modeling III / Session 13b - Magnetic Bearings V
10:15-10:45 / Alex Untariou
UVA / 51 / Use of Streamline Analysis Method to Model Aerodynamic Forces in Axial Compressors
Ami Patel, Pratt and Whitney intern, Bob Ribando / 10:15-10:45 / Zongli Lin
UVA / 54 / Control of Flexible Rotor AMB Test Rig
Di Long, Zongli Lin
10:45-11:20 / 52 / Mixed Analysis of Non-Axisymmetric Rotors in Rotating Coordinates and Non-Axisymmetric Casings in Fixed Coordinates
Tim Dimond, Paul Allaire / 10:45-11:20 / 55 / Flux Feedback in AMB Systems
Pablo Yoon, Zongli Lin, Paul Allaire
11:20-12:00 / 53 / Rotor and Squeeze Film Damper Modeling Using the Harmonic Balance Method
Feng He, Amir Younan, Paul Allaire / 11:20-12:00