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Drag coefficient estimates from coasting bluegill sunfish Lepomis macrochirus
Author(s) -
Tandler Talia,
Gellman Emma,
De La Cruz Dayna,
Ellerby David J.
Publication year - 2019
Publication title -
journal of fish biology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.672
H-Index - 115
eISSN - 1095-8649
pISSN - 0022-1112
DOI - 10.1111/jfb.13906
Subject(s) - lepomis macrochirus , drag , biology , energetics , drag coefficient , range (aeronautics) , lepomis , fishery , fish <actinopterygii> , mechanics , ecology , physics , engineering , aerospace engineering
The drag coefficient bluegill sunfish Lepomis macrochirus was estimated from coasting deceleration as (mean ± SD) 0.0154 ± 0.0070 at a Reynolds number of 41,000 ± 14,000. This was within the coasting range in other species and lower than values obtained from dead drag measurements in this species and others. Low momentum losses during coasting may allow its use during intermittent propulsion to modulate power output or maximize energy economy.

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