Bulletin of the American Physical Society
71st Annual Meeting of the APS Division of Fluid Dynamics
Volume 63, Number 13
Sunday–Tuesday, November 18–20, 2018; Atlanta, Georgia
Session M19: Biological Fluid Dynamics: Flying Insects
8:00 AM–10:10 AM,
Tuesday, November 20, 2018
Georgia World Congress Center
Room: B306
Chair: Laura Miller, University of North Carolina at Chapel Hill
Abstract ID: BAPS.2018.DFD.M19.10
Abstract: M19.00010 : Mimicking atmospheric flow conditions to examine mosquito orientation behavior*
9:57 AM–10:10 AM
Presenter:
Yi-Chun Huang
(Princeton University)
Authors:
Yi-Chun Huang
(Princeton University)
Neil Vickers
(University of Utah)
Marcus Hultmark
(Princeton University)
Host-seeking female mosquitoes utilize a variety of sensory cues to locate potential hosts. In addition to visual cues, these signals include CO2, volatile skin emanations, humidity, and thermal cues, each of which can be considered as passive scalars in the environment, primarily distributed by local flow conditions. The behavior of host-seeking female mosquito vectors can be more thoroughly understood by simulating the natural features of the environment through which they navigate. Thus, an exploration and understanding of the dynamics of a scalar plume will not only establish the effect of fluid environment on scalar coherence and distribution, but also provide a bioassay platform for approaches directed at disrupting or preventing the cycle of mosquito-vectored disease transmission. In order to bridge between laboratory findings and the natural, ecologically relevant setting, a unique active flow modulation system consisting of a grid of independently operated paddles was developed. Unlike static grids that generate turbulence within a predefined range of scales, an active grid imposes variable and controllable turbulent structures onto the moving air by synchronized rotation of the paddles at specified frequencies.
*Funded by the National Science Foundation (AGS-1649049)
To cite this abstract, use the following reference: http://meetings.aps.org/link/BAPS.2018.DFD.M19.10
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