Journal
PHYSICAL REVIEW LETTERS
Volume 116, Issue 2, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.116.028103
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Funding
- project Equip@Meso [ANR-10-EQPX-29-01]
- IDRIS [i20152a1664]
- DFH-UFA
- JSPS [P15061]
- Grants-in-Aid for Scientific Research [15F15061] Funding Source: KAKEN
- Austrian Science Fund (FWF) [P15061] Funding Source: Austrian Science Fund (FWF)
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High-resolution numerical simulations of a tethered model bumblebee in forward flight are performed superimposing homogeneous isotropic turbulent fluctuations to the uniform inflow. Despite tremendous variation in turbulence intensity, between 17% and 99% with respect to the mean flow, we do not find significant changes in cycle-averaged aerodynamic forces, moments, or flight power when averaged over realizations, compared to laminar inflow conditions. The variance of aerodynamic measures, however, significantly increases with increasing turbulence intensity, which may explain flight instabilities observed in freely flying bees.
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