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

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