ROMAC Announcements

    2017 ASME Turbo Expo

    January 29, 2019

    ROMAC students and visitors will present papers at the ASME Turbo Expo 2017: Turbomachinery Technical Conference and Exposition in Charlotte, NC, June 26-30

    Cori Watson will present Watson, C., and Wood, H. “Optimizing a Helical Groove Seal with Grooves on Both the Rotor and Stator Surfaces.”

    Michael Branagan will present Brana-gan, M., Morgan, N., Weaver, B., and Wood, H., ” Response Surface Mapping and Multi-Objective Optimization of Tilting Pad Bearing Designs.”

    Brad Nichols will present, Nichols, B., Fittro, R. L., and Goyne, C. P., “Subsynchronous Vibration Patterns Under Reduced Oil Supply Flow Rates,” also to be published in the ASME Journal of Gas Turbines and Power.

    Benny Schwartz will present Schwartz, B., Fittro, R., and Knospe, C., “Understanding the Effect of Systematic Errors on the Accuracy of Experimental Measurements of Fluid-Film Bear-ing Dynamic Coefficients.”

    Wisher Paudel, currently a mechanical engineering 4th-year student working in the ROMAC Lab, is one of our incoming graduate students. He will present Paudel, W., Watson, C., and Wood, H., “Mixed Helical Labyrinth Seal Optimization Using Computational Fluid Dynamics.”

    Tomohiko Tsukuda, a ROMAC visiting scholar, will present a paper, Tsukuda, T., Hirano, T., Watson C., Morgan, N., Weaver, B., and Wood, H., “A Numerical Investigation of the Effect of Inlet Preswirl Ratio on Rotordynamic Characteristics of Labyrinth Seal.” In addition, Weaver, B., Tsukuda, T., Rizvi, S.A.A., Schwartz, B., Nichols, B., Griffin, D., Branagan, M., Fittro, R., Lin, Z., Wood, H., “Experimental Measurements of Turbomachinery Rotordynamics, Component Performance, and Dynamic Control at ROMAC – A Review,” will be published in the Journal of Gas Turbine Society of Japan (JGTSJ, ISSN-0387-4168), July 2017.


    Cori Watson and Xin Deng  will attend the FEDSM – Fluids Engineering Division Summer Conference July 30—August 3, 2017 in Waikoloa, HI.   Cori will present Watson, C., and Wood, H., “Developing an Optimal Helix Angle as a Function of Pressure for Helical Groove Seals.” Xin will present the paper, Deng, X., Watson, C., Weaver, B., Wood, H., and Fittro, R., “Lubricant Inertia in Water Lubricated Bearings.”

    Xin will also attend the 2017 STLE Annual Meeting & Exhibition in Atlanta GA, and present the paper Deng, X., Branagan, M., Weaver, B., and Wood, H. “Thermal, Elastic, and Inertia Effects in Water-Lubricated Titling Thrust Bearings in Turbulent Region.”

    RotorLab+ 4.1

    January 29, 2019

    Brian Weaver, ROMAC Software Engineer announced today the release of RotorLab+ 4.1, it is the latest version of our primary software suite for rotordynamic and component-level analyses. The just released version includes the following new features and enhancements:
     New built-in materials for rotor models.
    – New Response Summary output for API analyses.
    – New “Real” Probe feature for API analyses.
    – Enhancements to plots and plotting options in all analyses.
    – Improvements to analysis speeds and overall program stability.
    – Bug fixes for disk handling options, API Forced Response analyses, and other minor bugs reported in v4.0.

    ROMAC Advisory Board

    January 29, 2019

    Houston Wood, Director of ROMAC announced the formation of the ROMAC Advisory Board. The board is made up of six members of the ROMAC Constortium who are volunteering their time to serve as advisors to the ROMAC faculty in areas to help ROMAC grow and improve now and into the future, as well as enable increased input and ownership for the member companies.

    NextProf Fall Engineering Workshop

    January 29, 2019

    Congratulations to Cori Watson who was recently selected to participate in the 2016 NextProf Fall Engineering Workshop at the University of Michigan in Ann Arbor, Michigan. The workshop takes place in late September.

    2016 Short Course

    January 29, 2019

    The 2016 ROMAC Advanced Rotordynamics Five-Day Short Course took place July 11 -15 at the ROMAC lab at the University of Virginia. In addition to the many presentations by industry experts, faculty and graduate students the participants were given tours of the ROMAC labs, viewed test rigs actively involved in research and had hands-on experience with ROMAC software.

    ROMAC Students present papers at ASME Turbo Expo

    January 29, 2019

    WATSON and GRESHAM, both ROMAC Students present papers at ASME Turbo Expo in Seoul, S. Korea

    Thomas G. Gresham recently completed his M.S. studies with ROMAC, he presented his paper, Characterization of Brush Seal Permeability. Upon the completion of the conference, Mr. Gresham began employment with Pratt & Whitney, (a ROMAC industry member) in Hartford, CT. Also attending was Cori E. Watson. Ms. Watson plans to graduate in 2017 with her Ph.D. Her paper, Response Surface Mapping of Performance for Helical Groove Seals With Incompressible Flow was also presented.

    2016 Annual Meeting

    January 29, 2019

    The 2016 Annual Meeting of the Rotating Machinery and Controls Consortium (ROMAC) took take place June 6-10, 2016 in Charlottesville, Virginia home of the University of Virginia and the ROMAC laboratories.

    The meeting was attended by over 30 industry members from the US, China, Germany, and Japan.  Edgar J. Gunter, UVA Professor Emeritus, Ryodyn Virbgration Analysis, Inc., President and co-founder of ROMAC gave the keynote on his recent paper, Dynamic Analysis and Field Balancing of 100 MW Utility Gas Turbine – Generators.  In addition, thirty-five industry and research related talks were given by members, faculty, and students.

    Cori Watson awarded Early Careerist Award

    January 29, 2019

    Cori E. Watson, a ROMAC Ph.D. graduate student under Prof. Houston Wood’s guidance, has been awarded one of four Early Careerists Awards from the Society of Tribologists and Lubrication Engineers (STLE). Ms. Watson will be attending the upcoming annual meeting and exhibition on May 15-19 in Las Vegas, NV.