A mathematical model is presented for the transport of odor stimuli to the chemoreceptor sensilla of moth antennae. The odorant is in the form of threadlike filaments composing a meandering plume. The classical solution for two-dimensional stagnation-point flow (also called Hiemenz flow) is extended to include a permeable or 'leaky' surface. The surface of an antenna is represented as a longitudinal section of the surface of a cylinder of arc length s = θα where a is the radius of the cylinder and (is the angle subtended by the arc. In order to simulate leakage to the flow approaching normal to this permeable surface, the flow around a slightly smaller cylinder of radius α - ε with ε
CITATION STYLE
Humphrey, J. A. C., & Haj-Hariri, H. H. (2012). Stagnation point flow analysis of odorant detection by permeable moth antennae. In Frontiers in Sensing: From Biology to Engineering (Vol. 9783211997499, pp. 171–192). Springer-Verlag Wien. https://doi.org/10.1007/978-3-211-99749-9_12
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