Liwei Ou

ORCID: 0000-0001-9499-1877
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About
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Research Areas
  • Semiconductor materials and devices
  • Metal and Thin Film Mechanics
  • Advanced Surface Polishing Techniques
  • Nanowire Synthesis and Applications
  • Electronic and Structural Properties of Oxides
  • Fluid Dynamics and Turbulent Flows
  • Biomimetic flight and propulsion mechanisms
  • ZnO doping and properties
  • Lattice Boltzmann Simulation Studies

China Aerodynamics Research and Development Center
2023

Dalian University of Technology
2018-2020

Institute of Advanced Manufacturing Technology
2018-2019

The aerodynamic performance of a morphing airfoil is numerically and experimentally investigated. designed based on macro fiber composites, capable trailing edge flapping during 10–90 Hz with maximum amplitude 0.55 mm. A numerical model flexible deformation walls the experiment established to precisely restore actual dynamic instead segmental explore transient high-frequency flapping. drag coefficient reduced by 2.07% at frequency (ff) 37.5 compared rigid airfoil, while lift increase 4.8%...

10.1063/5.0174349 article EN cc-by Physics of Fluids 2023-12-01

The third-generation semiconductor material gallium nitride (GaN) has attracted more and researchers attention due to its excellent performance. In the processing of GaN wafer, surface/subsurface damage would inevitably generate after diamond abrasive lapping. Chemical mechanical polishing (CMP) with soft is widely used remove obtain ultra-smooth wafer surface. However, traditional CMP very low removal rate (MRR) because high hardness chemical inertness wafer. To improve MRR, hybrid-field...

10.1109/cstic49141.2020.9282459 article EN 2022 China Semiconductor Technology International Conference (CSTIC) 2020-06-26
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