Flow sensing by pinniped whiskers.

  title={Flow sensing by pinniped whiskers.},
  author={Lars Miersch and Wiebke Hanke and Sven Wieskotten and Frederike D Hanke and Johannes Oeffner and Alfred Leder and Martin Brede and Matthias Witte and Guido Dehnhardt},
  journal={Philosophical transactions of the Royal Society of London. Series B, Biological sciences},
  volume={366 1581},
Beside their haptic function, vibrissae of harbour seals (Phocidae) and California sea lions (Otariidae) both represent highly sensitive hydrodynamic receptor systems, although their vibrissal hair shafts differ considerably in structure. To quantify the sensory performance of both hair types, isolated single whiskers were used to measure vortex shedding frequencies produced in the wake of a cylinder immersed in a rotational flow tank. These measurements revealed that both whisker types were… CONTINUE READING
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