Fluid Dynamics and Acoustics Consultant: Aeroacoustics, Supersonic Aircraft, Unsteady Flow and Fluid Mixing

Technical Consultant #1592


Expertise

  • Aircraft sound and vibration, flow control for aircraft applications and aeroacoustics.
  • Reduction of flow induced sound and vibration for aircraft applications.
  • Fluid dynamics, supersonic jets, high speed jet flows, acoustics, aeroacoustics, noise reduction, unsteady flow, flow mixing, flow control, valve noise and vibration and vibration in pipe structures.
  • Noise and vibration control and root cause analysis.
  • A Fellow of ASME, the Royal Aeronautical Society (UK) and an Associate Fellow of AIAA.

Experience

Undisclosed University, 1999 - Present

  • Associate Professor and Associate Dean for Research, Fluid Dynamics Research Center, Mechanical, Materials and Aerospace Engineering.
  • Associate Chair, Aerospace Engineering.
  • Associate Dean for Research, Graduate College.

Dynacs Inc., Propulsion, Analysis Sections, Senior Research Engineer, 1999

  • Performed contract research for NASA Glenn Research Center, Cleveland.
  • Conducted research on noise suppression technology for the high speed civil transport.
  • Collaborated with Boeing to perform research on high frequency piezoelectric actuators for the suppression of resonant acoustics.

NYMA Inc., Experimental Fluid Dynamics Section, Senior Research Engineer, 1994 - 1998

  • Involved in the study of supersonic jet screech and resonant acoustics for NASA Glenn Research Center.
  • Collaborated with the US Air Force and McDonnell Douglas Corporation on the Jet Screech Management Effort.
  • Collaborated with the US Navy (Naval Research Labs) on supersonic jet mixing.
  • Collaborated with Bowles Fluidics to devise methods for the suppression of resonant acoustics using fluidic actuators.

Sverdrup Technology Inc., Experimental Fluid Dynamics Section, Research Engineer, 1986 - 1993

  • Involved in the design of a versatile supersonic jet facility.
  • Conducted fundamental experimental investigations of the acoustics, fluid flow physics of supersonic jets and turbulent shear layers.
  • Developed automated data acquisition and analysis systems.

Other areas of work performed

  • Boeing 747 sound and vibration root cause analysis study.
  • Analysis of valve failure due to vibrations and new design of a low vibration valve.
  • Sound and vibration analysis in piping systems.
  • Plasma screen for acoustic suppression.
  • High amplitude actuator development.
  • Support of tests in the Boeing PSWT wind tunnel.
  • Support of tests in the Boeing QAF jet facility at Seattle.
  • Fluidic actuator development for Advanced Fluidics.
  • Support of tests in the ARA facility, UK.
  • Support of tests in the Arnold Air Force Base 4T tunnel.
  • Support provided to high speed sled test at the Holloman Air Force Base.
  • Consulting support provided to valve companies.
  • Noise reduction work done for valve companies.
  • Jet noise tests at NASA Glenn Research Center.
  • Flow control work done in CW-17 at NASA Glenn Research Center.
  • Measurements of compressor and turbine performance maps.
  • Rotating stall and surge testing in axial and radial compressors.
  • Diagnostics of engine unstable operation.
  • Bird and foreign objects impact and engine fire extinguishing tests.
  • Laser velocimeter measurements in supersonic through flow fans.
  • Nonstationary pressure measurements in compressor cascades for flutter prediction.
  • Dynamic pressure measurements over a single stage fan rotor.
  • Laser velocimeter investigation of a static propeller flowfield.
  • Liquid-crystal thermography for heat flux measurements on turbine-blade models.
  • Thin-film thermocouple development for turbine blade heat transfer measurements.
  • Pressure sensitive paint investigation of fan stator vane pressure fields.
  • Hot-wire anemometry and laser velocimetry in supersonic and complex turbulent flows.
  • Mixing enhancement of hot, turbulent, free jets.
  • Coherent turbulent structures in supersonic free jets.
  • Aeroacoustics of jet engine hot exit plumes.
  • Support of seeding tests at ASE.

Honors & Publications

Academic and Professional Affiliations

  • Fellow of the American Society of Mechanical Engineers
  • Fellow of the Royal Aeronautical Society
  • Associate Fellow of the American Institute of Aeronautics and Astronautics
  • Editor-in-Chief of the International Journal of Aeroacoustics
  • Editorial Board Member, International Journal of Flow Control
  • Former Chairman of the Fluid Mechanics Technical Committee of the American Society of Mechanical Engineers (ASME)
  • Chairman of the Aeroacoustics Technical Committee of the American Institute of Aeronautics and Astronautics (AIAA)
  • Vice-Chairman of the Fluid Mechanics Technical Committee of the ASME
  • Vice-Chairman/Recording Secretary of the Aeroacoustics Technical Committee of the AIAA
  • Chairman of the External Flows Sub-committee of the Fluid Mechanics Technical Committee of the American Society of Mechanical Engineers

Awards and Honors

  • ASME Lewis F. Moody award representing a significant contribution to mechanical engineering.
  • NASA certificate of recognition for the creative development of a technical innovation.
  • NYMA/SETAR company best paper for NASA Glenn Research Center, Journal of Fluid Mechanics.
  • NYMA/SETAR company best paper, Journal of Fluid Mechanics.

Publications and Patents

  • Over 100 scientific publications.
  • One U.S. and International patent.

Education

  • Ph.D. Mechanical and Aerospace Engineering, Case Western Reserve University, Cleveland, OH
  • M.S. Chemical Engineering, Cleveland State University, Cleveland, OH
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