Robert Kielb
Professor of the Practice Emeritus in the Thomas Lord Department of Mechanical Engineering and Materials Science
Robert Kielb has over 45 years academic, industrial and government research laboratory experience in turbomachinery propulsion. This consists of 8 years with the U. S. Air Force, 10 years with NASA Lewis Research Center, and 12 years with GE Aircraft Engines as Manager of Aeromechanics Technology. He has also been an Affiliated Professor at the Swedish Royal Institute of Technology (KTH) since 2008. KTH is the leading science and technology university in Sweden. Currently he is Associate Chair of the Department of Mechanical Engineering and Materials Science at Duke University where conducts research and teaches. He is also Director of the GUIde Consortium (10 companies, 4 universities and 2 government organizations) and Duke Coordinator for the EU-funded THRUST MEng Program. His primary experiences are: 1) developing and implementing state-of-the-art mechanical and aeromechanical design technologies; 2) directing blade design, manufacture, and test; 3) initiating and executing R&D programs to support needed technology improvements, and 4) coordinating research programs among government, industry and universities (GUIde). He has authored or co-authored over fifty technical papers, is a recipient of the ASME’s Melville Award for substantial improvements in the understanding of turbine aeroelasticity, and has presented invited lectures worldwide. Dr. Kielb is a Fellow of the ASME and was a Chair of the Board of Directors of the International Gas Turbine Institute, serving on the Board for 6 years. He has also served as Technical Program Chair for ASME Turbo Expo ’96, Chair of the ASME Structures and Dynamics Committee, and Associate Editor of both the Journal of Turbomachinery and Journal of Engineering for Gas Turbines and Power. (ASME – American Society of Mechanical Engineers)
Current Research Interests
Unsteady aerodynamics, aeroelasticity, mistuning, damping, and probabilistic methods. Principal investigator on AFOSR, DARPA, NASA, and industry-funded research projects.
Current Appointments & Affiliations
- Professor of the Practice Emeritus in the Thomas Lord Department of Mechanical Engineering and Materials Science, Thomas Lord Department of Mechanical Engineering and Materials Science, Pratt School of Engineering 2022
Contact Information
- 179 Hudson Hall, Box 90300, Durham, NC 27708
- 179 Hudson Hall, Box 90300, Durham, NC 27708-0300
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rkielb@duke.edu
(919) 660-5327
- Background
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Education, Training, & Certifications
- Ph.D., Ohio State University 1981
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Previous Appointments & Affiliations
- Professor of the Practice in the Department of Mechanical Engineering & Materials Science, Thomas Lord Department of Mechanical Engineering and Materials Science, Pratt School of Engineering 2019 - 2022
- Associate Professor of the Practice in the Department of Mechanical Engineering & Materials Science, Thomas Lord Department of Mechanical Engineering and Materials Science, Pratt School of Engineering 2017 - 2019
- Recognition
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In the News
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MAY 24, 2021 Pratt School of Engineering -
MAY 23, 2019 Pratt School of Engineering
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- Research
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Selected Grants
- NASA Marshall GUIde 6 Membership awarded by National Aeronautics and Space Administration 2018 - 2022
- Grand Challenges in Turbomachinery Forced Response and NSV (NASA Marshall) awarded by National Aeronautics and Space Administration 2013 - 2018
- Preliminary Design Analysis of Supersonic LPT's awarded by GE Global Research 2014
- USA-DUKE Aeromechanics: Improved Aeromechanics Design Tools awarded by General Electric Corporation 2013
- Energy Engineering - Laboratory Innovations and Improvements awarded by Lord Foundation of North Carolina 2009 - 2010
- Annual MEMS Engineering Design Contest awarded by Lord Foundation of North Carolina 2006 - 2007
- Annual MEMS Engineering Design Contest awarded by Lord Foundation of North Carolina 2005 - 2006
- Non-Synchronous Vibration of Turbomachinery Airfoils awarded by Air Force Office of Scientific Research 2003 - 2006
- 2nd Annual MEMS Engineering Design Course awarded by Lord Foundation of North Carolina 2002 - 2005
- Probabilistic Analysis of Mistuned Bladed Disks and Blisks with Aerodynamic and Structural Coupling awarded by National Aeronautics and Space Administration 2003 - 2005
- Publications & Artistic Works
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Selected Publications
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Academic Articles
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Šimurda, D., P. Psota, P. Šidlof, R. Kielb, M. Luxa, J. Hála, and J. Lepicovsky. “Optical measurement and visualization of transonic airflow in a compressor blade cascade (Accepted).” Journal of Visualization 26, no. 3 (June 1, 2023): 529–49. https://doi.org/10.1007/s12650-022-00901-3.Full Text
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Pan, T., Z. Yan, H. Lu, Q. Li, and R. E. Kielb. “Forced Response Induced by Low Engine Order Under Circumferential Inlet Distortions With Different Extents.” Journal of Turbomachinery 145, no. 4 (April 1, 2023). https://doi.org/10.1115/1.4055970.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “A Fluid-Structure Interaction Tool Using a Van der Pol-Based Reduced-Order Model for Buffet and Nonsynchronous Vibrations.” Journal of Turbomachinery 145, no. 1 (January 1, 2023). https://doi.org/10.1115/1.4055447.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “Extending a Van Der Pol-Based Reduced-Order Model for Fluid-Structure Interaction Applied to Non-Synchronous Vibrations in Turbomachinery.” Journal of Turbomachinery 144, no. 3 (March 1, 2022). https://doi.org/10.1115/1.4052405.Full Text
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Hegde, S., Z. Mao, T. Pan, L. Zori, R. Campregher, and R. Kielb. “Separation of up and Downstream Forced Response Excitations of an Embedded Compressor Rotor.” Journal of Turbomachinery 141, no. 9 (September 1, 2019). https://doi.org/10.1115/1.4044212.Full Text
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Gutierrez Salas, M., P. Petrie-Repar, R. E. Kielb, and N. L. Key. “A Mistuned Forced Response Analysis of an Embedded Compressor Blisk Using a Reduced-Order Model.” Journal of Engineering for Gas Turbines and Power 141, no. 3 (March 1, 2019). https://doi.org/10.1115/1.4041280.Full Text
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Li, J., N. Aye-Addo, R. Kielb, and N. Key. “Mistuned higher-order mode forced response of an embedded compressor rotor-Part II: Mistuned forced response prediction.” Journal of Turbomachinery 140, no. 3 (March 1, 2018). https://doi.org/10.1115/1.4038519.Full Text
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Besem, F. M., and R. E. Kielb. “Influence of the tip clearance on a compressor blade aerodynamic damping.” Journal of Propulsion and Power 33, no. 1 (January 1, 2017): 227–33. https://doi.org/10.2514/1.B36121.Full Text
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Besem, F. M., R. E. Kielb, P. Galpin, L. Zori, and N. L. Key. “Mistuned forced response predictions of an embedded rotor in a multistage compressor.” Journal of Turbomachinery 138, no. 6 (June 1, 2016). https://doi.org/10.1115/1.4032164.Full Text
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Waite, J. J., and R. E. Kielb. “The impact of blade loading and unsteady pressure bifurcations on low-pressure turbine flutter boundaries.” Journal of Turbomachinery 138, no. 4 (April 1, 2016). https://doi.org/10.1115/1.4032043.Full Text
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Besem, F. M., R. E. Kielb, and N. L. Key. “Forced response sensitivity of a mistuned rotor from an embedded compressor stage.” Journal of Turbomachinery 138, no. 3 (March 1, 2016). https://doi.org/10.1115/1.4031866.Full Text
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Besem, F. M., J. P. Thomas, R. E. Kielb, and E. H. Dowell. “An aeroelastic model for vortex-induced vibrating cylinders subject to frequency lock-in.” Journal of Fluids and Structures 61 (February 1, 2016): 42–59. https://doi.org/10.1016/j.jfluidstructs.2015.10.009.Full Text
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Besem, F. M., J. D. Kamrass, J. P. Thomas, D. Tang, and R. E. Kielb. “Vortex-Induced Vibration and Frequency Lock-In of an Airfoil at High Angles of Attack.” Journal of Fluids Engineering, Transactions of the Asme 138, no. 1 (January 1, 2016). https://doi.org/10.1115/1.4031134.Full Text
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Clark, S. T., F. M. Besem, R. E. Kielb, and J. P. Thomas. “Developing a reduced-order model of nonsynchronous vibration in turbomachinery using proper-orthogonal decomposition methods.” Journal of Engineering for Gas Turbines and Power 137, no. 5 (May 1, 2015). https://doi.org/10.1115/1.4028675.Full Text
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Waite, J. J., and R. E. Kielb. “Physical understanding and sensitivities of low pressure turbine flutter.” Journal of Engineering for Gas Turbines and Power 137, no. 1 (January 1, 2015). https://doi.org/10.1115/1.4028207.Full Text
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Ekici, K., R. E. Kielb, and K. C. Hall. “The effect of aerodynamic asymmetries on turbomachinery flutter.” Journal of Fluids and Structures 36 (January 1, 2013): 1–17. https://doi.org/10.1016/j.jfluidstructs.2012.08.009.Full Text
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Srivastava, R., J. Panovsky, R. Kielb, L. Virgin, and K. Ekici. “Nonlinear flutter in fan stator vanes with time dependent fixity.” Journal of Turbomachinery 134, no. 2 (June 23, 2011). https://doi.org/10.1115/1.4003253.Full Text
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Srivastava, R., J. Panovsky, R. Kielb, L. Virgin, and K. Ekici. “Non-linear flutter in fan stator vanes with time dependent fixity.” Proceedings of the Asme Turbo Expo 6, no. PARTS A AND B (December 1, 2010): 1189–99. https://doi.org/10.1115/GT2010-22555.Full Text
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Ekici, K., K. C. Hall, and R. E. Kielb. “Harmonic balance analysis of blade row interactions in a transonic compressor.” Journal of Propulsion and Power 26, no. 2 (January 1, 2010): 335–43. https://doi.org/10.2514/1.43879.Full Text
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Meingast, M., R. E. Kielb, and J. P. Thomas. “Preliminary flutter design method for supersonic low pressure turbines.” Proceedings of the Asme Turbo Expo 6, no. PART A (December 1, 2009): 507–15. https://doi.org/10.1115/GT2009-59177.Full Text
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Miyakozawa, T., R. E. Kielb, and K. C. Hall. “The Effects of aerodynamic asymmetric perturbations on forced response of bladed disks.” Journal of Turbomachinery 131, no. 4 (October 1, 2009): 1–8. https://doi.org/10.1115/1.3068319.Full Text
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Dowell, E. H., K. C. Hall, J. P. Thomas, R. E. Kielb, M. A. Spiker, and C. M. Denegri. “A new solution method for unsteady flows around oscillating bluff bodies.” Solid Mechanics and Its Applications 8 (January 1, 2008): 37–44. https://doi.org/10.1007/978-1-4020-8630-4_4.Full Text
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Ekici, K., R. E. Kielb, and K. C. Hall. “Aerodynamic Asymmetry Analysis of Unsteady Flows in Turbomachinery (Accepted).” Journal of Turbomachinery, 2008.
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Kielb, R., J. Barter, O. Chernycheva, and T. Fransson. “Flutter of low pressure turbine blades with cyclic symmetric modes: A preliminary design method.” Journal of Turbomachinery Transactions of the Asme 126, no. 2 (April 2004): 306–9.
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Chiang, H. W. D., and R. E. Kielb. “An analysis system for blade forced response.” Journal of Turbomachinery 115, no. 4 (January 1, 1993): 762–70. https://doi.org/10.1115/1.2929314.Full Text
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Cameron, T. M., J. H. Griffin, R. E. Kielb, and T. M. Hoosac. “An integrated approach for friction damper design.” Journal of Vibration and Acoustics, Transactions of the Asme 112, no. 2 (January 1, 1990): 175–82. https://doi.org/10.1115/1.2930110.Full Text
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Kielb, R. E., and J. K. Ramsey. “Flutter of a fan blade in supersonic axial flow.” Journal of Turbomachinery 111, no. 4 (January 1, 1989): 462–67. https://doi.org/10.1115/1.3262294.Full Text
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Kielb, R. E. “Mass balancing of hollow fan blades.” Journal of Engineering for Gas Turbines and Power 108, no. 4 (January 1, 1986): 577–82. https://doi.org/10.1115/1.3239950.Full Text
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Sinha, A., J. H. Griffin, and R. E. Kielb. “Influence of friction dampers on torsional blade flutter.” Journal of Engineering for Gas Turbines and Power 108, no. 2 (January 1, 1986): 313–18. https://doi.org/10.1115/1.3239905.Full Text
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Srinivasan, A. V., R. E. Kielb, and C. Lawrence. “Dynamic characteristics of an assembly of prop-fan blades.” Journal of Engineering for Gas Turbines and Power 108, no. 2 (January 1, 1986): 306–12. https://doi.org/10.1115/1.3239904.Full Text
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Kaza, K. R. V., and R. E. Kielb. “Vibration and flutter of mistuned bladed-disk assemblies.” Journal of Propulsion and Power 1, no. 5 (January 1, 1985): 336–44. https://doi.org/10.2514/3.22806.Full Text
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Kielb, R. E., A. W. Leissa, and J. C. Macbain. “Vibrations of twisted cantilever plates—a comparison of theoretical results.” International Journal for Numerical Methods in Engineering 21, no. 8 (January 1, 1985): 1365–80. https://doi.org/10.1002/nme.1620210802.Full Text
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Kielb, R. E., and K. R. V. Kaza. “Flutter of swept fan blades.” Journal of Engineering for Gas Turbines and Power 107, no. 2 (January 1, 1985): 394–98. https://doi.org/10.1115/1.3239739.Full Text
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MacBain, J. C., R. E. Kielb, and A. W. Leissa. “Vibrations of twisted cantilevered plates-experimental investigation.” Journal of Engineering for Gas Turbines and Power 107, no. 1 (January 1, 1985): 187–96. https://doi.org/10.1115/1.3239681.Full Text
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Leissa, A. W., J. C. MacBain, and R. E. Kielb. “Vibrations of twisted cantilevered plates-Summary of previous and current studies.” Journal of Sound and Vibration 96, no. 2 (September 22, 1984): 159–73. https://doi.org/10.1016/0022-460X(84)90576-5.Full Text
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Brown, G. V., R. E. Kielb, E. H. Meyn, R. E. Morris, and S. J. Posta. “LEWIS RESEARCH CENTER SPIN RIG AND ITS USE IN VIBRATION ANALYSIS OF ROTATING SYSTEMS.” Nasa Technical Paper, May 1, 1984.
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Brown, G. V., R. E. Kielb, E. H. Meyn, R. E. Morris, and S. J. Posta. “LEWIS RESEARCH CENTER SPIN RIG AND ITS USE IN VIBRATION ANALYSIS OF ROTATING SYSTEMS.” Nasa Technical Paper, January 1, 1984.
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Kaza, K. R. V., and R. E. Kielb. “Effects of warping and pretwist on torsional vibration of rotating beams.” Journal of Applied Mechanics, Transactions Asme 51, no. 4 (January 1, 1984): 913–20. https://doi.org/10.1115/1.3167746.Full Text
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Kaza, K. R. V., and R. E. Kielb. “VIBRATION AND FLUTTER OF MISTUNED BLADED-DISK ASSEMBLIES.” Nasa Technical Memorandum, January 1, 1984.
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Kaza, K. R. V., and R. E. Kielb. “Flutter of turbofan rotors with mistuned blades.” Aiaa Journal 22, no. 11 (January 1, 1984): 1618–25. https://doi.org/10.2514/3.8827.Full Text
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Kaza, K. R. V., and R. E. Kielb. “VIBRATION AND FLUTTER OF MISTUNED BLADED-DISK ASSEMBLIES.” Nasa Technical Memorandum, January 1, 1984.
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Kielb, R. E., and K. R. V. Kaza. “Flutter of swept fan blades.,” January 1, 1984.
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Kielb, R. E., and K. R. V. Kaza. “Effects of structural coupling on mistimed cascade flutter and response.” Journal of Engineering for Gas Turbines and Power 106, no. 1 (January 1, 1984): 17–24. https://doi.org/10.1115/1.3239532.Full Text
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Kielb, R. E., and K. R. V. Kaza. “Flutter of swept fan blades.” Trans. Asme J. Engng. Gas Turbines &Amp; Power 107, no. 2, Apr. 1984 (January 1, 1984): 394–98.
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Kielb, R. E., and K. R. V. Kaza. “FLUTTER OF SWEPT FAN BLADES.” Nasa Technical Memorandum, January 1, 1984.
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Kielb, R. E., and K. R. V. Kaza. “Flutter of swept fan blades.,” January 1, 1984.
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Kielb, R. E., and K. R. V. Kaza. “FLUTTER OF SWEPT FAN BLADES.” Nasa Technical Memorandum, January 1, 1984.
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Ramamurti, V., and R. Kielb. “Natural frequencies of twisted rotating plates.” Journal of Sound and Vibration 97, no. 3 (1984): 429–49.
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Kielb, R. E., and K. R. V. Kaza. “EFFECTS OF STRUCTURAL COUPLING ON MISTUNED CASCADE FLUTTER AND RESPONSE.” Nasa Technical Memorandum, March 27, 1983.
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Kielb, R. E., and K. R. V. Kaza. “Aeroelastic characteristics of a cascade ofmistimed blades in subsonic and supersonic flows.” Journal of Vibration and Acoustics, Transactions of the Asme 105, no. 4 (January 1, 1983): 425–33. https://doi.org/10.1115/1.3269124.Full Text
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Kielb, R. E., and K. R. V. Kaza. “EFFECTS OF STRUCTURAL COUPLING ON MISTUNED CASCADE FLUTTER AND RESPONSE.” Nasa Technical Memorandum, January 1, 1983.
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Mehmed, O., K. R. V. Kaza, J. F. Lubomski, and R. E. Kielb. “BENDING-TORSION FLUTTER OF A HIGHLY SWEPT ADVANCED TURBOPROP.” Nasa Technical Memorandum, December 1, 1982.
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KAZA, K. R. V., and R. E. KIELB. “COUPLED BENDING-BENDING-TORSION FLUTTER OF A MISTUNED CASCADE WITH NONUNIFORM BLADES.” Nasa Tech Memo, May 10, 1982.
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KAZA, K. R. V., and R. E. KIELB. “COUPLED BENDING-BENDING-TORSION FLUTTER OF A MISTUNED CASCADE WITH NONUNIFORM BLADES.” Nasa Tech Memo, January 1, 1982.
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Mehmed, O., K. R. V. Kaza, J. F. Lubomski, and R. E. Kielb. “BENDING-TORSION FLUTTER OF A HIGHLY SWEPT ADVANCED TURBOPROP.” Nasa Technical Memorandum, January 1, 1982.
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Kielb, R. E., and K. R. V. Kaza. “AEROELASTIC CHARACTERISTICS OF A CASCADE OF MISTUNED BLADES IN SUBSONIC AND SUPERSONIC FLOWS.” American Society of Mechanical Engineers (Paper), December 1, 1981.
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Kielb, R. E., and K. R. V. Kaza. “AEROELASTIC CHARACTERISTICS OF A CASCADE OF MISTUNED BLADES IN SUBSONIC AND SUPERSONIC FLOWS.” Nasa Technical Memorandum, December 1, 1981.
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Kielb, R. E., K. R. V. Kaza, and R. C. NASA Lewis. “Aeroelastic characteristics of a cascade of mistuned blades in subsonic and supersonic flows.,” January 1, 1981.
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Kielb, R. E., K. R. V. Kaza, and R. C. NASA Lewis. “Aeroelastic characteristics of a cascade of mistuned blades in subsonic and supersonic flows.,” January 1, 1981.
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Kielb, R. E., and K. R. V. Kaza. “AEROELASTIC CHARACTERISTICS OF A CASCADE OF MISTUNED BLADES IN SUBSONIC AND SUPERSONIC FLOWS.” Nasa Technical Memorandum, January 1, 1981.
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Kielb, R. E., and K. R. V. Kaza. “AEROELASTIC CHARACTERISTICS OF A CASCADE OF MISTUNED BLADES IN SUBSONIC AND SUPERSONIC FLOWS.” American Society of Mechanical Engineers (Paper), January 1, 1981.
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Kielb, R. E., and L. S. Han. “Vibration and buckling of rectangular plates under in-plane hydrostatic loading.” Journal of Sound and Vibration 70, no. 4 (June 22, 1980): 543–55. https://doi.org/10.1016/0022-460X(80)90323-5.Full Text
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Abell, E. E., R. E. Kielb, and P. J. Henderson. “Structural analysis of a cooled, directionally solidified turbine blade.” Journal of Aircraft 14, no. 2 (January 1, 1977): 167–72. https://doi.org/10.2514/3.58759.Full Text
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Kielb, R. E. “Modeling engine static structures with conical shell finite elements.” Journal of Aircraft 12, no. 4 (January 1, 1975): 230–33. https://doi.org/10.2514/3.44437.Full Text
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Reports
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Ramsey, J. K., and R. E. Kielb. “COMPUTER PROGRAM FOR CALCULATING UNSTEADY AERODYNAMIC COEFFICIENTS FOR CASCADES IN SUPERSONIC AXIAL FLOW.” NASA Technical Memorandum, December 1, 1987.
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Kielb, R. E. “MASS BALANCING OF HOLLOW FAN BLADES.” NASA Technical Memorandum, June 1, 1986.
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Kielb, R. E., A. W. Leissa, J. C. MacBain, and K. S. Carney. “JOINT RESEARCH EFFORT ON VIBRATIONS OF TWISTED PLATES. PHASE I: FINAL RESULTS.” NASA Reference Publication, September 1, 1985.
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Hirschbein, M., R. Kielb, R. Aiello, M. Nall, and C. Lawrence. “STRUCTURAL AND AEROELASTIC ANALYSIS OF THE SR-7L PROPFAN.” NASA Technical Memorandum, March 1, 1985.
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Lawrence, C., and R. E. Kielb. “NONLINEAR DISPLACEMENT ANALYSIS OF ADVANCED PROPELLER STRUCTURES USING NASTRAN.” NASA Technical Memorandum, August 1, 1984.
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Conference Papers
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Hegde, S., J. D. Inge, and R. Kielb. “Effect of system mode and structural damping perturbation on the mistuned forced response and aerodynamic damping of embedded compressor rotors.” In Proceedings of the Asme Turbo Expo, Vol. 8-A, 2022. https://doi.org/10.1115/GT2022-79761.Full Text
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Hegde, S., L. Zori, R. Campregher, and R. Kielb. “Impact of upstream and downstream excitation and multi-row interaction on the mistuned forced response behavior of an embedded compressor rotor: Higher-order mode Aeromechanics.” In Proceedings of the Asme Turbo Expo, Vol. 10-D, 2022. https://doi.org/10.1115/GT2022-78033.Full Text
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Hegde, S., L. Zori, R. Campregher, and R. Kielb. “Impact Of Aerodynamic Asymmetry on The Embedded Rotor Forcing and Mistuned Blade Response.” In Proceedings of the Asme Turbo Expo, Vol. 10-D, 2022. https://doi.org/10.1115/GT2022-78101.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “Unsteady Pressure Analysis of an Oscillating Cylinder Exhibiting Non-Synchronous Vibrations.” In Aiaa Science and Technology Forum and Exposition, Aiaa Scitech Forum 2022, 2022. https://doi.org/10.2514/6.2022-0561.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “Unsteady Pressures Analysis of an Oscillating Airfoil Exhibiting Nonsynchronous Vibrations as Applied to Turbomachinery.” In Aiaa Science and Technology Forum and Exposition, Aiaa Scitech Forum 2022, 2022. https://doi.org/10.2514/6.2022-0562.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “AN IMPROVED PRELIMINARY DESIGN TOOL FOR TURBOMACHINERY BLADES USING VAN DER POL BASED REDUCED-ORDER MODEL FOR NON-SYNCHRONOUS VIBRATIONS.” In Proceedings of the Asme Turbo Expo, Vol. 10-D, 2022. https://doi.org/10.1115/GT2022-83391.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “A FLUID-STRUCTURE INTERACTION TOOL USING A VAN DER POL BASED REDUCED-ORDER MODEL FOR BUFFET AND NON-SYNCHRONOUS VIBRATIONS.” In Proceedings of the Asme Turbo Expo, Vol. 10-D, 2022. https://doi.org/10.1115/GT2022-80277.Full Text
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Hegde, S., L. Zori, R. Campregher, and R. Kielb. “Separation of wake and potential field excitations in an embedded compressor rotor: Impact of wave reflections and mistuning on forced response.” In Aiaa Scitech 2021 Forum, 1–27, 2021. https://doi.org/10.2514/6.2021-0265.Full Text
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Hegde, S., and R. Kielb. “Mistuned forced response sensitivity of an embedded compressor rotor: Effect of sideband travelling wave excitations.” In Aiaa Scitech 2021 Forum, 1 PartF:1–20, 2021.
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Hegde, S., A. Madden, and R. Kielb. “Influence of disc modes and sideband excitations on the mistuned forced response behaviour of an embedded compressor rotor.” In Proceedings of the Asme Turbo Expo, Vol. 9A-2021, 2021. https://doi.org/10.1115/GT2021-58780.Full Text
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Hegde, S., R. Kielb, L. Zori, and R. Campregher. “Influence of stator hub cavities on the forced response behaviour of an embedded compressor rotor.” In Proceedings of the Asme Turbo Expo, Vol. 9A-2021, 2021. https://doi.org/10.1115/GT2021-58779.Full Text
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Hollenbach, R., R. Kielb, and K. Hall. “Extending a van der pol based reduced-order model for fluid-structure interaction applied to non-synchronous vibrations in turbomachinery.” In Proceedings of the Asme Turbo Expo, Vol. 2C-2021, 2021. https://doi.org/10.1115/GT2021-58965.Full Text
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Hegde, S., R. Kielb, L. Zori, and R. Campregher. “Impact of multi-row aerodynamic interaction on the forced response behaviour of an embedded compressor rotor.” In Proceedings of the Asme Turbo Expo, Vol. 2E-2020, 2020. https://doi.org/10.1115/GT2020-14482.Full Text
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Doherty, J., M. Joshi, D. Levin, M. Rauseo, M. Sharma, R. Kielb, and E. Dowell. “Nonlinear interaction of a flutter induced limit cycle oscillation of a cantilevered wing with a forced gust excitation.” In Aiaa Scitech 2019 Forum, 2019. https://doi.org/10.2514/6.2019-1862.Full Text
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Gutierrez, M., R. E. Kielb, P. Petrie-Repar, and N. L. Key. “A mistuned forced response analysis of an embedded compressor blisk using a reduced order model.” In Proceedings of the Asme Turbo Expo, Vol. 7C, 2018. https://doi.org/10.1115/GT201876455.Full Text
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Mao, Z., S. Hegde, T. Pan, R. E. Kielb, L. Zori, and R. Campregher. “Influence of rotor-stator interaction and reflecting boundary conditions on compressor forced response.” In Proceedings of the Asme Turbo Expo, Vol. 2A-2018, 2018. https://doi.org/10.1115/GT2018-75232.Full Text
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Berger, A. H., Y. Wang, A. S. Bhown, A. Castrogiovanni, R. Kielb, and V. Balepin. “Thermodynamic Analysis of Post-combustion Inertial CO2 Extraction System.” In Energy Procedia, 114:7–16, 2017. https://doi.org/10.1016/j.egypro.2017.03.1140.Full Text
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Berger, A. H., Y. Wang, A. S. Bhown, R. Kielb, A. Castrogiovanni, and V. Balepin. “498520 Analysis of post-combustion inertial CO2 extraction system.” In International Congress on Energy 2017 Topical Conference at the 2017 Aiche Annual Meeting, 1:86–87, 2017.
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Huang, Y., G. Dimitriadis, R. E. Kielb, and J. Li. “System eigenvalue identification of mistuned bladed disks using least-squares complex frequency-domain method.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2017, 2017. https://doi.org/10.1115/GT2017-63008.Full Text
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Li, J., N. Aye-Addo, N. Kormanik, D. Matthews, N. Key, and R. Kielb. “Mistuned higher-order mode forced response of an embedded compressor rotor, part I: Steady and unsteady aerodynamics.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2017, 2017. https://doi.org/10.1115/GT2017-64633.Full Text
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Li, J., N. Aye-Addo, R. Kielb, and N. Key. “Mistuned higher-order mode forced response of an embedded compressor rotor, part II: Mistuned forced response prediction.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2017, 2017. https://doi.org/10.1115/GT2017-64647.Full Text
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Li, J., and R. Kielb. “Forcing superposition and decomposition of an embedded compressor rotor.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2017, 2017. https://doi.org/10.1115/GT2017-64657.Full Text
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Mao, Z., and R. E. Kielb. “Interaction of concurrent forced response and flutter phenomena in a compressor stage.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2017, 2017. https://doi.org/10.1115/GT2017-63376.Full Text
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Teixeira, M. A. M., and R. E. Kielb. “TIP clearance influence on aerodynamic damping maps.” In 12th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics, Etc 2017, 2017.
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Teixeira, M. A. M., and R. E. Kielb. “TIP clearance influence on aerodynamic damping maps.” In 12th European Conference on Turbomachinery Fluid Dynamics and Thermodynamics, Etc 2017, 2017.
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Waite, J. J., and R. E. Kielb. “Shock structure, mode shape, and geometric considerations for low-pressure turbine flutter suppression.” In Proceedings of the Asme Turbo Expo, Vol. 7B-2016, 2016. https://doi.org/10.1115/GT2016-56706.Full Text
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Besem, F. M., R. E. Kielb, and N. L. Key. “Forced response sensitivity of a mistuned rotor from an embedded compressor stage.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2015. https://doi.org/10.1115/GT2015-43032.Full Text
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Li, J., and R. E. Kielb. “Effects of blade count ratio on aerodynamic forcing and mode excitability.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2015. https://doi.org/10.1115/GT2015-43304.Full Text
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Meinzer, C. E., S. L. Bittner, S. Schmitt, R. E. Kielb, and J. R. Seume. “Design of a single stage turbine for the quantification of aerodynamic damping.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2015. https://doi.org/10.1115/GT2015-42641.Full Text
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Waite, J. J., R. E. Kielb, and S. L. Bittner. “The inuence of steady loading parameters on low-pressure turbine flutter.” In 56th Aiaa/Asce/Ahs/Asc Structures, Structural Dynamics, and Materials Conference, 2015.
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Waite, J. J., and R. E. Kielb. “The impact of blade loading and unsteady pressure bifurcations on low-pressure turbine flutter boundaries.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2015. https://doi.org/10.1115/GT2015-42857.Full Text
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Besem, F. M., J. D. Kamrass, J. P. Thomas, D. Tang, and R. E. Kielb. “Vortex-induced vibration and frequency lock-in of an airfoil at high angles of attack.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2014. https://doi.org/10.1115/GT2014-25648.Full Text
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Clark, S. T., F. M. Besem, R. E. Kielb, and J. P. Thomas. “Developing a reduced-order model of non-synchronous vibration in turbomachinery using proper-orthogonal decomposition methods.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2014. https://doi.org/10.1115/GT2014-25547.Full Text
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Waite, J. J., and R. E. Kielb. “Physical understanding and sensitivities of lpt flutter.” In Proceedings of the Asme Turbo Expo, Vol. 7B, 2014. https://doi.org/10.1115/GT2014-25133.Full Text
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Clark, S. T., R. E. Kielb, and K. C. Hall. “A van der pol based reduced-order model for non-synchronous vibration (NSV) in turbomachinery.” In Proceedings of the Asme Turbo Expo, Vol. 7 B, 2013. https://doi.org/10.1115/GT2013-95741.Full Text
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Clark, S. T., R. E. Kielb, and K. C. Hall. “Developing a reduced-order model to understand nonsynchronous vibration (NSV) in turbomachinery.” In Proceedings of the Asme Turbo Expo, 7:1373–82, 2012. https://doi.org/10.1115/GT2012-68145.Full Text
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Ekici, K., R. E. Kielb, and K. C. Hall. “Forced response analysis of aerodynamically asymmetric cascades.” In 46th Aiaa/Asme/Sae/Asee Joint Propulsion Conference and Exhibit, 2010. https://doi.org/10.2514/6.2010-6535.Full Text
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Ekici, K., K. C. Hall, and R. E. Kielb. “Harmonic balance analysis of forced response in a transonic compressor.” In 47th Aiaa Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, 2009. https://doi.org/10.2514/6.2009-1240.Full Text
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Ekici, K., R. E. Kielb, and K. C. Hall. “The effect of aerodynamic asymmetries on turbomachinery flutter.” In 47th Aiaa Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, 2009. https://doi.org/10.2514/6.2009-893.Full Text
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Spiker, M. A., R. E. Kielb, J. P. Thomas, and K. C. Hall. “Application of enforced motion to study 2-D cascade lock-in effect.” In 47th Aiaa Aerospace Sciences Meeting Including the New Horizons Forum and Aerospace Exposition, 2009. https://doi.org/10.2514/6.2009-892.Full Text
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Dowell, E. H., K. C. Hall, J. P. Thomas, R. E. Kielb, M. A. Spiker, A. Li, and C. M. Denegri. “Reduced order models in unsteady aerodynamic models, aeroelasticity and molecular dynamics.” In Icas Secretariat 26th Congress of International Council of the Aeronautical Sciences 2008, Icas 2008, 1:4002–14, 2008.
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Ekici, K., R. E. Kielb, and K. C. Hall. “Aerodynamic asymmetry analysis of unsteady flows in turbomachinery.” In Proceedings of the Asme Turbo Expo, 5:821–34, 2008. https://doi.org/10.1115/GT2008-51176.Full Text
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Miyakozawa, T., R. E. Kielb, and K. C. Hall. “The effects of aerodynamic asymmetric perturbations on forced response of bladed disks.” In Proceedings of the Asme Turbo Expo, 5:779–90, 2008. https://doi.org/10.1115/GT2008-50719.Full Text
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Spiker, M. A., R. E. Kielb, K. C. Hall, and J. P. Thomas. “Efficient design method for non-synchronous vibrations using enforced motion.” In Proceedings of the Asme Turbo Expo, 5:735–47, 2008. https://doi.org/10.1115/GT2008-50599.Full Text
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Kielb, R. E., K. C. Hall, and T. Miyakozawa. “The effect of unsteady aerodynamic asymmetric perturbations on flutter.” In Proceedings of the Asme Turbo Expo, 5:649–54, 2007. https://doi.org/10.1115/GT2007-27503.Full Text
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Spiker, M. A., J. P. Thomas, K. C. Hall, R. E. Kielb, and E. H. Dowell. “Modeling cylinder flow vortex shedding with enforced motion using a harmonic balance approach.” In Collection of Technical Papers Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference, 7:4549–58, 2006. https://doi.org/10.2514/6.2006-1965.Full Text
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Kielb, Robert E., Kenneth C. Hall, Esther Hong, and Shantaram S. Pai. “Probabilistic flutter analysis of a mistuned bladed disk.” In Proceedings of the Asme Turbo Expo, 5 PART B:1145–50, 2006.
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Dowell, E. H., K. C. Hall, J. P. Thomas, R. E. Kielb, M. A. Spiker, and C. M. Denegri. “Reduced order unsteady aerodynamic models and aeroelasticity.” In 12th International Congress on Sound and Vibration 2005, Icsv 2005, 1:47–64, 2005.
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Carlson, H. A., J. Q. Feng, J. P. Thomas, R. E. Kielb, K. C. Hall, and E. H. Dowell. “Computational models for nonlinear aeroelasticity.” In 43rd Aiaa Aerospace Sciences Meeting and Exhibit Meeting Papers, 4143–52, 2005. https://doi.org/10.2514/6.2005-1085.Full Text
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Hall, K. C., R. E. Kielb, K. Ekici, J. P. Thomas, and W. S. Clark. “Recent advancements in turbomachinery aeroelastic design analysis.” In 43rd Aiaa Aerospace Sciences Meeting and Exhibit Meeting Papers, 11253–74, 2005. https://doi.org/10.2514/6.2005-14.Full Text
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Kielb, R. E., D. M. Feiner, J. H. Griffin, and T. Miyakozawa. “Flutter of mistuned bladed disks and blisks with aerodynamic and FMM structural coupling.” In Proceedings of the Asme Turbo Expo 2004, 6:573–79, 2004. https://doi.org/10.1115/gt2004-54315.Full Text
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Chernysheva, O. V., T. H. Fransson, R. E. Kielb, and J. Barter. “Effect of sector mode shape variation on the aerodynamic stability of a low-pressure turbine sectored vane.” In American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) Igti, 4:389–98, 2003. https://doi.org/10.1115/GT2003-38632.Full Text
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Kielb, R., O. Chernysheva, J. Barter, and T. Fransson. “Flutter of low pressure turbine blades with cyclic symmetric modes - A preliminary design method.” In American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) Igti, 4:423–28, 2003. https://doi.org/10.1115/GT2003-38694.Full Text
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Kielb Robert, E., P. Thomas Jeffrey, W. Barter John, and C. Hall Kenneth. “Blade excitation by aerodynamic instabilities - A compressor blade study.” In American Society of Mechanical Engineers, International Gas Turbine Institute, Turbo Expo (Publication) Igti, 4:399–406, 2003.
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Kielb, R. E. “CFD for turbomachinery unsteady flows - An aeroelastic design perspective.” In 39th Aerospace Sciences Meeting and Exhibit, 2001.
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Kielb, R., F. G. Macri, D. Oeth, A. D. Nashif, P. Macioce, H. Panossia, and F. Lieghley. “Advanced damping systems for fan and compressor blisks.” In 34th Aiaa/Asme/Sae/Asee Joint Propulsion Conference and Exhibit, 1998.
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Panovsky, J., and R. E. Kielb. “Design method to prevent low pressure turbine blade flutter.” In American Society of Mechanical Engineers (Paper), 1998.
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Panovsky, J., and R. E. Kielb. “A design method to prevent low pressure turbine blade flutter.” In Proceedings of the Asme Turbo Expo, Vol. 5, 1998. https://doi.org/10.1115/98-GT-575.Full Text
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Southwick, R. D., G. W. Gallops, L. J. Kerr, R. P. Kielb, M. G. Welsh, J. C. Delaat, and J. S. Orme. “High stability engine control (HISTEC) flight test results.” In 34th Aiaa/Asme/Sae/Asee Joint Propulsion Conference and Exhibit, 1998. https://doi.org/10.2514/6.1998-3757.Full Text
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Lear, W. E., and R. P. Kielb. “The effect of blade angle design selection on wave-turbine engine performance.” In Asme 1996 International Gas Turbine and Aeroengine Congress and Exhibition, Gt 1996, Vol. 1, 1996. https://doi.org/10.1115/96-GT-259.Full Text
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Lear, W. E., and R. P. Kielb. “Effect of blade angle design selection on wave-turbine engine performance.” In American Society of Mechanical Engineers (Paper), 1996.
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Chiang, H. W. D., and R. E. Kielb. “An analysis system for blade forced response.” In Asme 1992 International Gas Turbine and Aeroengine Congress and Exposition, Gt 1992, Vol. 5, 1992. https://doi.org/10.1115/92GT172.Full Text
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Chiang, H. W. D., and R. E. Kielb. “An Analysis System for Blade Forced Response.” In Asme 1992 International Gas Turbine and Aeroengine Congress and Exposition, Gt 1992, Vol. 5, 1992. https://doi.org/10.1115/92-GT-172.Full Text
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Kielb, R. E., and J. K. Ramsey. “FLUTTER OF A FAN BLADE IN SUPERSONIC AXIAL FLOW.” In American Society of Mechanical Engineers (Paper), 1988.
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Cameron, T. M., J. H. Griffin, R. E. Kielb, and T. M. Hoosac. “INTEGRATED APPROACH FOR FRICTION DAMPER DESIGN.” In American Society of Mechanical Engineers, Design Engineering Division (Publication) De, 5:205–11, 1987.
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Kielb, R. E. “Mass Balancing of Hollow Fan Blades.” In Proceedings of the Asme Turbo Expo, Vol. 1, 1986. https://doi.org/10.1115/86-GT-195.Full Text
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Sinha, A., J. H. Griffin, and R. E. Kielb. “INFLUENCE OF FRICTION DAMPERS ON TORSIONAL BLADE FLUTTER.” In American Society of Mechanical Engineers (Paper), 1985.
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Srinivasan, A. V., R. E. Kielb, and C. Lawrence. “DYNAMIC CHARACTERISTICS OF AN ASSEMBLY OF PROP-FAN BLADES.” In American Society of Mechanical Engineers (Paper), 1985.
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Kaza, K. R. V., and R. E. Kielb. “EFFECTS OF WARPING AND PRETWIST ON TORSIONAL VIBRATION OF ROTATING BEAMS.” In American Society of Mechanical Engineers (Paper), 1984.
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Kielb, R. E., and K. R. V. Kaza. “FLUTTER OF SWEPT FAN BLADES.” In American Society of Mechanical Engineers (Paper), 1984.
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Kielb, R. E., and K. R. V. Kaza. “FLUTTER OF SWEPT FAN BLADES.” In American Society of Mechanical Engineers (Paper), 1984.
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MacBain, J. C., R. E. Kielb, and A. W. Leissa. “VIBRATIONS OF TWISTED CANTILEVERED PLATES - EXPERIMENTAL INVESTIGATION.” In American Society of Mechanical Engineers (Paper), 1984.
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MacBain, J. C., R. E. Kielb, and A. W. Leissa. “VIBRATIONS OF TWISTED CANTILEVERED PLATES - EXPERIMENTAL INVESTIGATION.” In American Society of Mechanical Engineers (Paper), 1984.
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Kielb, R. E., and K. R. V. Kaza. “EFFECTS OF STRUCTURAL COUPLING ON MISTUNED CASCADE FLUTTER AND RESPONSE.” In American Society of Mechanical Engineers (Paper), 1983.
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Kaza, K. R. V., and R. E. Kielb. “Flutter and response of a mistuned cascade in incompressible flow.” In Aiaa Journal, 20:1120–27, 1982. https://doi.org/10.2514/3.51172.Full Text
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Kaza, K. R. V., and R. E. Kielb. “EFFECTS OF MISTUNING ON BENDING-TORSION FLUTTER AND RESPONSE OF A CASCADE IN INCOMPRESSIBLE FLOW.” In Collection of Technical Papers Aiaa/Asme/Asce/Ahs/Asc Structures, Structural Dynamics and Materials Conference, 320–31, 1981.
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Kielb, R. E., and K. R. V. Kaza. “AEROELASTIC CHARACTERISTICS OF A CASCADE OF MISTUNED BLADES IN SUBSONIC AND SUPERSONIC FLOWS.” In American Society of Mechanical Engineers (Paper), 1981.
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