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Structural, Civil and Mechanical Engineer Expert, Fitness for Service Expert

Technical Consultant #2102


Expertise

  • Over 30 years' experience in mechanical engineering design and analysis for the power, petrochemical and refining industries.
  • Analytical experience includes finite element analysis, fluid transient analysis, structural analysis, fatigue assessments, and flexibility analysis of piping systems.
  • Design review of pressure vessels and piping, and advanced fracture mechanics and fitness-for-purpose evaluations of components.
  • Design and analysis of concrete and steel framing for structures and pipe supports.
  • Dynamic fluid transient analyses, data acquisition and analysis, vibration measurements.
  • Performance of design and analysis in accordance with B31 piping codes, Section VIII pressure vessel codes, and structural codes.
  • 3D CAD model-based design piping and structures in elevated temperatures.

Experience

Undisclosed Company, Technical Specialist, 1990 - Present

Foster Wheeler SPEC, Inc., Structural Engineer and Stress Analyst, 1981 - 1985

Taiwan Power Company, Taiwan, Civil Engineer, 1977 - 1979

Army Engineers, Taiwan, Engineering Officer, 1975 - 1977

Finite element analysis

  • General finite element modeling, analysis, evaluation, and preparation of reports on equipment components under static, heat transfer, thermal stress, modal, and dynamic loadings.

Projects

  • Thermal and stress analysis of steam generator and other components under steady and thermal transient loadings.
  • Large, eccentric FCC Regenerator Vessel spent catalyst nozzle, (redesign of reinforcement).
  • Butane, MTBE, and Methanol Storage Spheres, (brittle fracture risk evaluations).
  • Double wall metallic underground piping systems and redesign to accommodate differential thermal expansion.
  • Conducted vibration measurements and analysis of a refinery's hydrogen reformer feed inlet piping using data acquisition equipment and accelerometers.
  • Designed steel framing and determined seismic and dynamic structure/equipment interactions for process plants.

Pressure Vessels and Piping

  • Conducted pressure pulsation, vibrations data acquisition, and fluid transient simulation of high pressure piping of a 4,500 ton hydraulic press.
  • Performed fluid transient analysis of key piping systems subject to dynamic loads during start-up, shut-down, valve closure in The Croton Water Treatment Plant, New York.
  • Performed level 2 and 3 fitness for service evaluations of fixed equipment in accordance with API 579/ASME FFS-1.
  • Reviewed designs of critical equipment for compliance with ASME B31 Piping Codes and Section VIII, Pressure Vessel Codes.
  • Performed piping flexibility analysis, designed piping and pipe supports in connection with load sensitive equipment (pumps and turbines) using Caesar II.
  • Evaluated FCC plenum chamber for increased temperature conditions.
  • Evaluated fired heater tube supports for projects, and redesigned supports for existing units to improve long-term elevated temperature performance.
  • Evaluated component fatigue life and creep damage.
  • Evaluated and redesigned high temperature piping.
  • Fitness-for-purpose/fracture risk/remaining life assessment of cracked, corroded vessels and piping.

Troubleshooting, Redesign, and Failure Analysis

  • Reactor head with excessive vibration due to mixer.
  • Compressor piping systems, (vibration and overload problems).
  • Heat exchangers with tube vibration.
  • Power plant and other piping system waterhammer and support problems.
  • Boiler superheater.
  • Vertical and helical tube coil structures in various chemical reactor vessels.
  • Designed piping and pipe support for high temperature lines operating in the creep regime (1800oF) for the Marble Hill Annealing Demonstration Project.
  • Demonstrating the feasibility of annealing a nuclear reactor subjected to neutron irradiation.
  • Designed and analyzed metallic and non-metallic, (thermoplastic and reinforced thermosetting resin) components including double containment piping systems.
  • Review of design and inspected construction of vessels and piping for major capital projects.

Structures

  • Field design and direction of construction for a major reconstruction of structures adjacent to a CO boiler convection section during a refinery turnaround.
  • Providing temporary support and correction of differential thermal expansion problems.
  • Redesign of structural systems including major Derrick flare structure and ore conveyor support.

Performed structural analysis and model-based design

  • Structural steel and reinforced concrete.
  • Numerous miscellaneous structures such as platforms, catwalks, etc.
  • Developed load and resistance curves for design of blast-resistant structures.
  • Designed steel and reinforced concrete structures and reviewed steel manufacturers' shop drawings.
  • Designed access road, pavement, and reinforced concrete retaining walls for underground structures.

Honors & Publications


Credentials

  • Licensed Professional Engineer - State of New Jersey

Publications and Patents

  • Presented at ASME Pressure Vessels and Piping Conference.
  • Co-Authored papers covering design and analysis of pressure vessels and piping components.

Education

  • Ph.D. Applied Mechanics, Lehigh University, Bethlehem, PA
  • M.S. Structural Engineering, Lehigh University, Bethlehem, PA
  • B.S. Civil Engineering, National Taiwan University, Taipei City, Taiwan
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