Charles W. Knisely

Chair & Professor of Mechanical Engineering
Dept. of Mechanical Engineering
Bucknell University
Lewisburg, PA 17837
Phone: (570) 577-1817
Fax: (570) 577-7281
knisely@bucknell.edu
Educational Background:
- B.S., Bucknell University, 1975
- M.S., Bucknell University, 1978
- Ph.D., Lehigh University, 1980
Teaching Experience:
- Kyoto University
- University of Karlsruhe
- Bucknell University, 1990-Present
Teaching Interests/Specialties:
- Thermodynamics I and II
- Introduction to thermodynamics and heat transfer
- Fluid dynamics
- Compressible flow
- Heat transfer
- Boundary layer theory and convective heat transfer
- Engineering acoustics and noise control
- Flow-Induced vibration and noise
- Turbomachinery
- Aerodynamics
- Renewable Energy
Research Interests:
- Conducted research in experimental fluid dynamics, diesel engine flows, air jet weaving machinery, impinging shear layers, flow-induced vibrations, vortex shedding, linear and nonlinear signal processing, separated flows, flow visualization, unsteady combustion, acoustics, convective heat transfer, air-lift jet pumps, sail boats, dynamic instability of hydraulic gates, compressor optimization
- Holds six patents with several additional patents pending
- Consulted for multiple firms on flow-induced vibrations, unsteady fluid flow
- Successful proposals for instrumentation, unsteady bluff body aerodynamics and unsteady combustion research, acoustics, hydraulics
Selected Publications:
- Knisely, C.W. 1990 "Strouhal Numbers of Rectangular Cylinders at Incidence: A Review and New Data, "Journal of Fluids and Structures, 4, pp. 371-393.
- Ishii, N. and Knisely, C.W. 1992 "Flow-Induced Vibration of Shell-Type Long-Span Gates, "Journal of Fluids and Structures, 6, pp. 681-703.
- Anami, K. Ishii, N., and Knisely, C.W. 2004a "Validation of Theoretical Analysis of Tainter-Gate Instability Using Full-Scale Field Tests," Proceedings of the 8th International Conference on Flow-Induced Vibrations FIV2004, Paris, 6-9 July 2004.
- Oku, T., Anami, K., Ishii, N., Knisely, C.W., Yasuda, K., Sawai, K., Sano, K., Morimoto, T., 2005 "Gas Leakage in CO2 Scroll Compressors and Its Use in Simulations of Optimal Performance" Proceedings of the "International Conference on Compressors and Their Systems", September 4-7, London, UK, pp 403-412.
- Knisely, C.W., Nishihara, K., and Iguchi, M. 2010 "Critical Reynolds Number in Constant Acceleration Pipe Flow Started from Steady Laminar State," ASME J. Fluids Engineering 132, pp. 091202, 1-4.
- Anami, K., Knisely, C.W. 2010 "Pressure Induced by Vertical Planar and Inclined Curved Weir Plates Undergoing Streamwise Rotational Vibration," manuscript submitted to J. Fluids and Structures.
- Anami, K., Ishii, N. & Knisely, C.W. 2010 "Added Mass and Wave Radiation Damping for Flow-Induced Rotational Vibrations of Skinplate, " manuscript submitted to J. Fluids and Structures.
- Anami, K., Ishii, N. & Knisely, C.W. 2010 "A Lesson from the Folsom Dam Tainter Gate Failure on the Mechanism of Vibrations," manuscript submitted to J. Fluids and Structures.
- Knisely, C.W. 1990 "Strouhal Numbers of Rectangular Cylinders at Incidence: A Review and New Data," Journal of Fluids and Structures, 4, pp. 371-393.
- Oku, T., Ishii, N., Anami, K., Knisely, C.W., Sawai, K. and Morimoto, T. 2008 "Theoretical Development of the Lubrication Mechanism in Thrust Slide-Bearing of Scroll Compressors" ASHRAE Journal of HVAC & R Research, 14, Nr. 2, pp. 239- 258.
- Oku, T., Ishii, N., Anami, K., Knisely, C.W., Sawai, K. and Morimoto, T. 2008 "Experimental Study of the Lubrication Mechanism in Thrust Slide-Bearing of Scroll Compressors" ASHRAE Journal of HVAC & R Research, 14, Nr, 3, pp. 453-465.
Knisely, C.W., Nishihara, K., and Iguchi, M. 2010 "Critical Reynolds Number in Constant Acceleration Pipe Flow Started from Steady Laminar State," ASME J. Fluids Engineering, 132, 091202, September 2010. - Iguchi, M., Nishihara, K., Nakahata, Y. and Knisely, C.W. 2010 "Effect of Initial Constant Acceleration on the Transition to Turbulence in Transient Circular Pipe Flow," ASME J. Fluids Engineering, 132, 111203.
- Anami, K., Ishii, N. and Knisely, C.W. 2012 "Pressure Induced by Vertical Planar and Inclined Curved Weir Plates Undergoing Streamwise Rotational Vibration," Journal Fluids and Structures, 29, pp. 35-49.
- Anami, K., Ishii, N. and Knisely, C.W. 2012 "Added Mass and Wave Radiation Damping for Flow-Induced Rotational Vibrations of Skinplate," Journal Fluids and Structures, accepted for publication.


