The aerodynamic performance of passive wing pitch in hovering flight

M Lei, C Li - Physics of Fluids, 2020 - pubs.aip.org
Insect wings can passively maintain a high angle of attack during each flapping stroke
without the aid of the active pitching motion due to the torsional flexibility of the wing basal …

Tip vortices formation and evolution of rotating wings at low Reynolds numbers

C Li, H Dong, B Cheng - Physics of Fluids, 2020 - pubs.aip.org
The wake structures generated by rotating wings are studied numerically to investigate the
complex vortex formation and evolution in both near-wake and far-wake regions. Flat …

Vorticity transfer in a leading-edge vortex due to controlled spanwise bending

K Jia, T Scofield, M Wei, S Bhattacharya - Physical Review Fluids, 2021 - APS
Many natural flyers and swimmers routinely flex their lifting or propulsive surfaces to control
the leading-edge vortex (LEV) that forms on the suction side during maneuvering at a high …

Optimized flapping wing dynamics via DMOC approach

Z Terze, V Pandža, M Kasalo, D Zlatar - Nonlinear dynamics, 2021 - Springer
Outstanding aerial capabilities that insects present in nature inspire researchers to
undertake a challenge to develop a flapping aerial vehicle with performances unmatched by …

Wings and whiffs: Understanding the role of aerodynamics in odor-guided flapping flight

M Lei, C Li - Physics of Fluids, 2023 - pubs.aip.org
Odor-guided navigation is an indispensable aspect of flying insects' behavior, facilitating
crucial activities such as foraging and mating. The interaction between aerodynamics and …

Effects of wing pitch kinematics on both aerodynamic and olfactory functions in an upwind surge

C Li - Proceedings of the Institution of Mechanical Engineers …, 2021 - journals.sagepub.com
Flapping wings of insects serve for both generating aerodynamic forces and enhancing
olfactory sensitivities when navigating on the odor-rich planet. Despite the extensive …

Passive pitching mechanism of three-dimensional flapping wings in hovering flight

C Li, J Wang, G Liu, X Deng… - Fluids …, 2019 - asmedigitalcollection.asme.org
Flapping wings of insects can passively maintain a high angle of attack due to the torsional
flexibility of wing basal region without the aid of the active pitching motion. However, the lift …

Navigation in odor plumes: How do the flapping kinematics modulate the odor landscape?

M Lei, JP Crimaldi, C Li - AIAA Aviation 2021 Forum, 2021 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2021-2817. vid Insects rely on their
olfactory system to forage, prey, and mate. They can sense odor emitted from sources of …

3D vortical structure of multiple moving spheroids under adjoint-based optimal control

D Colgan, B Xu, M Wei, J Hrynuk - AIAA SciTech 2023 Forum, 2023 - arc.aiaa.org
View Video Presentation: https://doi. org/10.2514/6.2023-0458. vid The study of vortical
structures exhibited by formations of moving solid bodies in a three-dimensional domain …

A balance between odor intensity and odor perception range in odor-guided flapping flight

M Lei, C Li - Fluids Engineering Division Summer …, 2022 - asmedigitalcollection.asme.org
Insects rely on their olfactory system to forage, prey, and mate. They can sense odorant
plumes emitted from sources of their interests with their bilateral odorant antennae, and track …