Birds breathe at an aerodynamic resonance

We present a dynamical model for the avian respiratory system and report the measurement of its variables in normal breathing canaries (Serinus canaria). Fitting the parameters of the model, we are able to show that the birds in our study breathe at an aerodynamic resonance of their respiratory syst...

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Veröffentlicht in:Chaos (Woodbury, N.Y.) N.Y.), 2021-12, Vol.31 (12), p.123132-123132
Hauptverfasser: Fainstein, Facundo, Geli, Sebastián M., Amador, Ana, Goller, Franz, Mindlin, Gabriel B.
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container_end_page 123132
container_issue 12
container_start_page 123132
container_title Chaos (Woodbury, N.Y.)
container_volume 31
creator Fainstein, Facundo
Geli, Sebastián M.
Amador, Ana
Goller, Franz
Mindlin, Gabriel B.
description We present a dynamical model for the avian respiratory system and report the measurement of its variables in normal breathing canaries (Serinus canaria). Fitting the parameters of the model, we are able to show that the birds in our study breathe at an aerodynamic resonance of their respiratory system. For different respiratory regimes, such as singing, where rapid respiratory gestures are used, the nonlinearities of the model lead to a shift in its resonances toward higher frequency values.
doi_str_mv 10.1063/5.0069696
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subjects Animals
Canaries
Dynamic models
Resonance
Respiratory system
Singing
title Birds breathe at an aerodynamic resonance
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