Tribology Group

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28th TRC meeting
Luis San Andres Mast-Childs Professor Turbomachine
ry Laboratory Mechanical Engineering
Department Texas AM University
May 2008
Tribology Group
http//phn.tamu.edu/TRIBGroup
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Tribology Group
Mission To advance state of the art in fluid
film bearings for high performance turbomachinery

• Types of funded research projects
• Engineering science fundamentals development of
  computational engineering tools,
• Experimental Bearing Seal parameter
  identification
• Test-product verification design validation
• Education

Luis San Andres
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Tribology Group Students
L-R Thomas Chirathadam, Tae Ho Kim, Jared
Goldsmith, Yaying Niu, Adolfo Delgado, Sungh Hu,
Arian Vistamehr, Chad Jarrett, Alex Martinez,
Keun Ryu, Jose Baker
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Engineering Fundamentals Tools

Thermal analysis of gas foil bearings NASA GRC
(07-09) 284 k
TRC (07-08) 35x3 k
Fortran codes GUIs integral to XLTRC2 tool Fast
programs Physics based engineering driven
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Industrial Exploratory Grants
HYBRID BRUSH SEALS TO IMPROVE GAS TURBINE
EFFICIENCYSiemens (06-08) 142,973 k
High temperature BS test rig
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Industrial Exploratory Grants
Predictive Capabilities for Gas Foil Bearings
Capstone Turbine Corp (07) 85k
Integral SFD with Contacting Mechanical Seal
Honeywell Aerospace (35 k), TRC (07-09) 105 k
Metal Mesh Foil Gas Bearings for Oil-Free
Turbomachinery TRC (08-09) 35 k
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System parameter identification
TRC (07-08) 35k x 4
Rotordynamic evaluation of gas foil bearings for
MTM
Forced Performance of SFD with mechanical seal
Rotordynamic evaluation of hydrostatic gas
bearings metal mesh bearings for oil-free TM
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Analysis/Test product verification design
validation
VIRTUAL TOOL for Turbocharger rotordynamics TC
nonlinear shaft motion code with a demonstrated
70 cycle time reduction in the development of
new CV TCs. Since 2006, code aids to develop PV
TCs with savings up to 150k/year in
qualification test time
Honeywell Turbocharging Systems (01-09) 491 k
Predicted shaft motion
Measured shaft motion
ASME DETC2007-34136
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http//reumicro.tamu.edu
To conduct hands-on training and research in
mechanical, manufacturing, industrial, or
materials engineering topics related to
technological advances in microturbomachinery.
To develop microturbines to enhance defense,
homeland security, transportation, and aerospace
applications.
L. San Andres (MEEN) W. Hung (ENT)
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Tribology Group
Statistics 07/08 740,430new research
funding 346,000 research expenditures (07)
Projects on Gas Foil Bearings (NASA GRC, Capstone
Turbines), Hybrid Brush Seals (Siemens), PV
Turbochargers (Honeywell Turbocharging Systems),
SFDs (Honeywell Aerospace)
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Tribology Group
Students

• Prepared for global competency
• Learn communication skills (written oral)
• Training in teams that work and deliver
• Ready for open-ended multidisciplinary problems
  with no unique answer
• Experience in research tied to industrial needs
• Learn of compelling need for professional
  integrity

Graduated 07 PhD Tae Ho Kim (post doc TAMU) MS
Anthony Breedlove (Schlumberger), MS Ash
Maruyama (Sulzer-Hickman) MS Jose Baker (KBR), MS
Keun Ryu (PhD TAMU),
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2008 TRC Research Progress Reports
Find Summaries in Tribology Group Annual Report
(2008)
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2008 TRC Research Proposals
Attachments to Tribology Group Annual Report
(2008)
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The Inca Road (Peru)
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Angkor Wat (Cambodia)
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Schedule of students presentations
Thanks for your continued support and
encouragement!