Ding-Wei Zhou
Ph.D - Senior Mechanical Design Engineer
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About
20 years experience in advanced gas turbine engine design, test and development. Excellent abilities in a broad range of experimental, numerical and analytical skills. Coordinated cross-functional / multicultural peers with global mindset across several regions.
Research experience on jet impingement, boiling heat transfer, acoustic cavitation, nanofluid, falling film, and gas turbine cavity flow. Proficient in writing technical papers for CFD/CHT/DEM simulations results. Reviewer for IGTI & several journals, Session chairman for ITGI Internal heat transfer Conf.
Experience
Senior Mechanical Design Engineer - Honeywell - Torrance, USA
(2023-01)
Responsible for Star CHT/CFD/DEM on turbomachinery MVCS/Motor/Heat Exchanger/Cold plate/Flow sensor modeling and calibration, skill development, stress analyses, export classification, FloEFD modeling, etc. The calibrated CHT model predicted temperatures are less than 20F compared to test data.
- Performed classic ANSYS/Mechanical analysis for multiple components, like fatigue, creep, oxidation, corrosion, stackup analysis etc.
- Performed root cause analysis and technical support for flow sensor & MicroVCS failed tests, etc. Support RCA investigations to identify failure mechanism.
- Experience correlating simulation models with experimental data and iterating designs based on empirical findings for heat exchangers etc.
- Responsible for the upgrade and component design of various (10+) compressors like selection for material and coating etc due to manufacture method change.
- Conducted history design reviews, component design and analysis, prepare technical specifications, drawing reviewing and approval, shop review for assembly, as well as engineer focal point of material procurement, etc.
Senior Mechanical Design Engineer - Honeywell - Phoenix, USA
(2014-11 - 2022-12)
Responsible for Star CHT/CFD/ANSYS Classic Thermal, NX thermal & internal code prediction, skill development, calibration & certification of commercial & military gas turbine engines, stressrupture/oxidation/corrosion life analyses, SAS tool development, test data extraction & post-processing, boundary conditions support to mechanical code etc.
- Proficient with Teamcenter, NX (3D CAD+thermal), parts analysis, drawing reviewing, etc
- Strong technical communications to support the project schedule and meet the milestone
- Led a global team (7 peers) to complete complex task, like thermal, stress and structural analyses
Advanced Mechanical Design Engineer - Honeywell - Phoenix, USA
(2008-11 - 2014-10)
Responsible for Honeywell family engine & rig testing, field engine issues via SAS (secondary air system) tool, HP & LP gas turbine thermal support via CFX/Fluent/Internal code for engine calibration & certification, stress-rupture life analysis, Harley code update and support, etc. The calibrated delta temp at steady state is less than +/-2F.
- Dealing with combustion-turbine interface profile and its impact on turbine hot gas path components
- Worked on various combustor rig tests, and engine tests for different performance mission points, like climb
Senior Engineer - ESG - Tempe, USA
(2008-04 - 2008-10)
Responsible for theoretical analysis and calculation, CFX CFD simulation on solar energy.
Research Scientist - Arizona State University, Mech. & Aerospace Eng. - Tempe, AZ 85287
(2005-03 - 2009-03)
Responsible for designing & assembling components of model gas turbine rig, performing thermo-fluid experiments, and developing new rotor-stator configurations by modifying the rim seals' shape and gap to decrease mainstream gas ingestion.
- Led and managed gas turbine heat transfer lab, corrected problems with the experiments and refined the test process.
- Engaged in thermodynamics, aerodynamics, thermo-fluid sciences, and stress analysis research for advanced gas turbine rigs with axial and/or pre-swirled injection of secondary/purge/sealing/cooling air.
- Designed and performed steady and unsteady pressure measurements located in main gas paths and at the stator surface.
- Calibrated and performed NDIR gas analyzer using CO2 gas to determine ingestion distribution inside the disk cavity.
- Improved Particle Image Velocimetry (PIV) technique to be capable of mapping the flow field below rim seals.
- Prepared and made presentations of research activities and related subjects at Honeywell and IGTI conference.
- Participated in CFD simulation on Solar configuration I, evaluated and compared with my experimental data.
- Developed new gas turbine rotor-stator configurations, with 5-8% reduction in mainstream gas ingestion.
Education
Ph.D. - Power Engineering - Xi'an Jiaotong University (2000-05) Xi'an, China
