·        Personal/Family

·        Education

·        Hobbies

·        Specialization

·        Professional Career & Experiences

·        Professional Affiliations

·        Referee for Professional Journals

·        Lectures and Presentations

·        Publication

·        Research and Development Projects

·        Research and Development Interests

·        Proprietary Development/Invention

 

Personal/Family

Top

 

Education

·        Postdoctoral Fellow, National Center for Atmospheric Research, Advanced Study Program, Boulder, Colorado, 1972 – 1973.

·        Ph.D., Civil Engineering (Fluid Mechanics Program), Colorado State University, Fort Collins, Colorado, 1972.

·        M.S., Hydraulic Engineering, Washington State University, Pullman, Washington, 1968.

·        B.S., Civil Engineering, National Cheng-Kung University, Tainan, Republic of China, 1965.

Top

 

Hobbies

·        Sports (tennis, ping pong, fishing, volleyball, hiking, and camping)

·        Classical music

·        Gardening and remodeling

Top

 

Specialties

·        Fluorescent methods for laboratory modeling of multi-phase flows (e.g., flow slides and mud flows induced by heavy rain storms and severe earthquakes) and of microfluidic flows.

·        Stereoscopic techniques: Stereoscopic Imaging and Measurement System (SIMS), underwater inspection and measurement, measurements of 3-D particle trajectories in high-speed flows, armament and industrial inspection, flaw detection in microelectronics, and biomedical diagnosis.

·        Ultrahigh-pressure (UHP) fluidjet technologies : Waterjets (WJs), abrasive-waterjets (AWJs), liquefied nitrogen (LN₂) cryogenic jets (CJ) with/without CO₂ particles for surface preparation, LN₂-based abrasive cryogenic jets (ACJs), flash abrasive waterjets (FAWJs), AWJ precision and micro machining, AWJ machining of aircraft metals for fatigue-critical applications, AWJ machining of composites, coating removal, near-net shaping of 3-D surfaces, cutting, and precision machining (on metal, glass, composites, and honeycomb materials, ceramics, glass wafers and other advanced materials); portable UHP abrasive fluidjet systems for emergency rescue operations.

·        Experimental and applied fluid mechanics (laboratory and field work): Multiphase flows of abrasive-waterjets, steady/unsteady aerodynamics, vortex phenomena, naval hydrodynamics, turbulent transport processes, stratified flows, wind waves, Naval hydrodynamics, air pollution meteorology, wind shear measurements, wind energy siting, wind-turbine wake characterization, qualitative and quantitative visualization of various flow phenomena.

·        Flow Instrumentation: Dual-disc anemometer for measuring water-droplet and abrasive speeds in abrasive-waterjets; PC-based, real-time data acquisition and analysis; remote SURFace Windshear Alert System (SURFWAS) for improving safety of aircraft landing and take off; thermal analysis microscope (TAM) for Infrared detection of surface and subsurface flaws; fiber-optic sensors for measuring pressure, temperature and aerodynamic force/moment in hostile environment with strong RF and EM radiations; laser Doppler velocimeters for oceanic and laboratory deployments; laser gauges for measuring displacement on water and compliant surfaces and of internal wave in stratified fluid; laser fluorescence probes for measuring high-frequency concentration fluctuations.

·        Programming Languages: FORTRAN, QuickBasic, LabVIEW, and MATLAB.

·        Experimental Facilities: Extensive experiences in operating stratified towing tank , water tunnel, flume, wind-wave tank, and wind tunnels (subsonic), JetMachining^® Centers for precision/micro machining.

Top

 

Professional Career Experiences

·        Alma Mater Visiting Professor, Research Center of Ocean Environment and Technology, National Cheng Kung University, Tainan, Taiwan, December 2009 – February 2010.

·        Senior Scientist, OMAX Corporation, Kent, Washington, January 2005 - present

·        Independent Consultant, StereoVision Engineering, Bellevue, Washington, 2001 - present 

·        Senior Scientist (Consultant), OMAX Corporation, Kent, Washington, May 2002 – December 2004  

·        Committee Member of graduate research project: Master Thesis (Lights Out Algorithms for AWJ machining automation) by Ian Connor, ME Department, University of Washington, 2003 - 2004 (Advisor: Professor Mamidala Ramulu)

·        Visiting Specialist, Hydrotech Research Institute, National Taiwan University, Taipei, Taiwan, November 2002 through January 2003 

·        Affiliate Associate Professor, Mechanical Engineering Department, University of Washington, since June, 2002

·        Senior Scientist, QUEST Integrated, Inc., Kent, Washington, 2001

·        Senior Scientist, Waterjet Technology, Inc./HydroSabre Technologies, Inc., Kent, Washington, 1997 - 2001.

·        Best Application Paper Award for Field and Maintenance Category, "Real-Time LabVIEW Application for Operating a Surface Windshear Alert System (SURFWAS)," NIWeek^TM '98 (sponsored by National Instruments), Austin, Texas, August, 1998

·        Principal Scientist and Director of Experimental Fluid Mechanics, QUEST Integrated, Inc., Kent, Washington, 1991 - 1997.

·        Referee for Professional Journals in Fluid Mechanics (see list below), 1980 - present.

·        Advisor to a Student Project for Constructing a Tow Tank Facility at St. Martin College, Lacey, Washington, 1992 - 1995.

·        Senior Scientist and Director of Experimental Fluid Mechanics, QUEST Integrated, Inc., Kent, Washington, 1988 - 1991.

·        Committee Members of Undergraduate Honor Thesis for University of Puget Sound, Department of Physics, Tacoma, Washington, 1988 - 1989.

·        Senior Research Scientist and Project/Program Manager, Flow Research, Inc., Kent, Washington, 1977 - 1988.

·        Research Scientist, Flow Research, Inc., Kent, Washington, 1973 - 1977.

·        Research Assistant, Fluid Mechanics Program, Colorado State University, Fort Collins, 1968 - 1972.

·        Research Assistant, Albrook Hydraulic Laboratory, Washington State University, Pullman, 1967 - 1968.

·        Second Lieutenant, Chinese Engineering Corps, Taipei, Taiwan, Republic of China, 1965 - 1966.

Top

 

Professional Affiliations

·        Alma Mater Visiting Professor, National Cheng Kung University

·        Affiliate Associate Professor, Mechanical Engineering Department, University of Washington

·        Visiting Specialist (appointed by National Science Council, Taiwan), National Taiwan University

·        American Institute of Aeronautics and Astronautics, Associate Fellow (active)

·        Marine Technology Society, Member

·        American Waterjet Technology Association

·        American Meteorological Society, Member

·        Smithsonian Institute Associates, National Member

·        American Society of Civil Engineers, Member of Aerodynamics Committee (appointed)

·        Chinese-American Association for Science and Technology, Secretary and Board Member

·        Seattle Chinese Engineers Association, Member (active) and Board Member

Top

 

Referee for Professional Journals

·        International Journal of Advanced Manufacturing Technology

·        Journal of Fluid Mechanics

·        AIAA Journals

·        ASME Journals

·        Experiments in Fluids

·        Journal of Atmospheric Sciences

Top

 

Lectures/Seminars and Presentations

·        Research and Services Headquarters, National Cheng Kung University, Tainan, Taiwan, ROC (February 25, 2010) – Advanced Waterjet Technology for Precision Machining – from Macro to Micro Scales for Most Materials

·        Department of Mechanical Engineering, Hong Kong University of Science and Technology/Department of Industrial and Systems Engineering, Hong Kong Polytechnic University (February 24, 2010) – Waterjet Technology for Precision and Micro Machining (http://www.micromanufacturing.com/showthread.php?t=892)

·        Insitute of Applied Mechanics, National Taiwan University, Taipei, Taiwan, ROC (February 22, 2010) – Performance Enhanement of Waterjet-Machined Aircraft Metals for Fatigue-Critical Applications

·        Insight Center, National Taiwan University, Taipei, Taiwan, ROC (January 22, 2010) – Development of mAWJ Nozzles for Micromachining

·        Industrial Technology Research Institute, Hsinchu, Taiwan, ROC (January 6, 2010) – Applications of Waterjet Technology for Precision and Micro Machining

·        Research Center of Ocean Environment and Technology, National Cheng Kung University, Tainan, Taiwan, ROC (December 17, 2009) – Novel Experimental Methods for Investigation of Flow Phenomena in Laboratory and Fields

·        National Tsing Hua University, Department of Applied Mechanics, Beijing, China (October 13, 2004) - Qualitative and Quantitative Flow Visualization of Laboratory and Field Vortex Phenomena

·        National Center for High-Performance Computing, Hsinchu, Taiwan, ROC (January  11, 2003)

·        Seminar Series (7) on flow visualization methods, Civil Engineering Department, National Taiwan University, November 2002 through January 2003

·        Industrial Technology Research Institute, Hsinchu, Taiwan, ROC (November 14, 2000)

·        Invited speaker at universities, institutions and conferences: University of Washington, Colorado State University, Drexel University, University of Notre Dame, National Cheng Kung University (Taiwan) (November 9 and 10, 2000), National Taiwan University (November 16, 2000)

·        R&D firms [Northwest Research Associates (2002), SVision (2001)],

·        Technical presentations given at professional conferences (see Proceedings Articles)

·        National Development Seminars (Electro-Optics Group), Taipei, Taiwan, Republic of China (1983)

·        Technical presentations given at U. S. Navy's contractors meetings, Applied Physics Laboratories, Johns Hopkins University, (1977 - 1981)

·        National Center for Atmospheric Research (NCAR/NSF)

·        Seattle Engineers Club

·        Chinese-American Association for Science and Technology (CAST)

Top

 

Short Course

·        Half-day tutorial course on "Qualitative and Quantitative Visualization for Laboratory and Field Applications," Presented at Oceans 2002 MTS/IEEE Conference, Biloxi, Mississippi, October 28, 2002

·        Full-day tutorial course on "Qualitative and Quantitative Visualization for Laboratory and Field Applications," To Be Presented at Oceans 2003 MTS/IEEE Conference, San Diego, California, September 22, 2003 

 

Top

 

Research and Development Interests

·        Application of fluorescent methods in multi-phase flows (3D particles tracking and 3D particle and fluid velocity measurements – Voronoi method)

o       Flow slides and mud flows induced by heavy rain storms and severe earthquakes

o       River morphology

o       Microfluidics

·        Software and Hardware Integration for Real-Time and Near-Real-Time Applications

o       Underwater Stereoscopic Imaging and Measurement System  (SIMS)

o       Portable SURFace Windshear Alert System  (SURFWAS)

o       Programming Languages: LabVIEW, MATLAB, QuickBasic, FORTRAN

·        Ultrahigh-Pressure Fluidjet Technology

o       Flash abrasive waterjets (FAWJ) for mitigating piercing damage in machining delicate materials

o       2D and 3D precision abrasive-waterjet machining and micromachining

o       Surface Preparation

o       Emergency Rescue

·        Laboratory Modeling and Field Applications

o       Multiphase flows

o       Qualitative and Quantitative Flow Visualization

o       Deployment of Field Instrument Array

o       Naval Hydrodynamics – Wakes and Internal Waves in Stratified Flows

·        Instrumentation Development

o       Laser-Based Sensors for Velocity and Distance Measurement

o       Fiber-Optic-Based Sensors for Pressure and Temperature Measurement

·        Tracking Particle Velocity and Trajectory in Multiphase Flows

o       Stereoscopic Method

o       Dual-Disc anemometer (DDA) for measuring water-droplet and abrasive speeds in abrasive-waterjets

Top

 

Proprietary Development/Invention

·       Ball-bearing catchers for ultrahigh-pressure abrasive-waterjets (1985)

·       Ultrahigh-pressure abrasive fluidjets for near-net shaping and precision/micro machining (1998)

·       Portable PC-based Surface Windshear Alert System (SURFWAS) for detection of ground-based microburst and adverse windshear condition at small to medium airports (1998)

·       Underwater nozzles for increasing reach of ultrahigh-pressure waterjets and abrasive-waterjets for cleaning, cutting, and drilling (1999)

·       Ultrahigh-pressure cryogenic jets for mitigating surface/subsurface damages in machining composites and laminates (2000)

·       PC-based stereoscopic imaging and measurement system (SIMS) for applications including but are not limited to underwater navigation, survey, and engineering, quality control and inspection, surface and subsurface flaw detection, surgery and dental work, rapid prototyping, and others required stereoscopic visualization and 3-D measurement (2001)

·       Processes for enhancing performance of a stereoscopic imaging and measurement system for improved accuracy (2002)

·       Fluorescent methods for characterization of multi-phase flows for a wide range of scales down to those of microfluidics (2002 – 2003)

·       Flash abrasive-waterjets (FAWJ) to emulate abrasive cryogenic jets for precision machining of advanced and delicate materials (2005 - patent pending, 2007)

·       Processes toward abrasive-waterjet micromachining (three patents pending, 2010) 

Top

 

• Personal/Family
• Education
• Hobbies
• Specialization
• Professional Career & Experiences
• Professional Affiliations
• Referee for Professional Journals
• Lectures and Presentations
• Publication
• Research and Development Projects
• Research and Development Interests
• Proprietary Development/Invention

 

Personal/Family