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Keywords: Boundary layer
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Journal Articles
J Exp Biol (2023) 226 (3): jeb244609.
Published: 6 February 2023
... to demand. Aquatic insects Behavior Boundary layer Discharge Microclimates Temperature Montana Water Center http://dx.doi.org/10.13039/100013631 Life in water is shaped by the scarcity of oxygen ( Hutchinson, 1981 ; Lancaster and Downes, 2013 ). Water contains ∼30 times less...
Includes: Supplementary data
Journal Articles
J Exp Biol (2020) 223 (20): jeb226654.
Published: 28 October 2020
...://www.biologists.com/user-licence-1-1/ Highlighted Article: Analysis of previously undocumented skimming and sliding behaviors used by remoras reveals they preferentially adhere to areas with reduced drag on blue whales. Adhesion Echeneidae Biologging tag Drag Boundary layer...
Includes: Supplementary data
Journal Articles
J Exp Biol (2019) 222 (7): jeb196659.
Published: 4 April 2019
... respiratory function. They also have a lower metabolic rate than other insects. O 2 boundary layers surrounding the beetles are present, indicating that O 2 diffuses into the surface of their bodies via cutaneous respiration. Cuticle thickness measurements and other experimental results were incorporated...
Includes: Supplementary data
Journal Articles
J Exp Biol (2015) 218 (20): 3179–3191.
Published: 1 October 2015
... surface roughness that is poised to disturb flow. This roughness of about 2% chord length is formed by the valleys and ridges of overlapping primary feathers with thick protruding rachides, which make the wing stiffer. An earlier flow study of laminar–turbulent boundary layer transition over prepared...
Journal Articles
J Exp Biol (2015) 218 (9): 1373–1385.
Published: 1 May 2015
...Kazutaka Yanase; Pentti Saarenrinne ABSTRACT The boundary layers of rainbow trout, Oncorhynchus mykiss , swimming at 1.02±0.09 L s −1 (mean±s.d., N =4), were measured by the particle image velocimetry (PIV) technique at a Reynolds number of 4×10 5 . The boundary layer profile showed unsteadiness...
Journal Articles
J Exp Biol (2006) 209 (9): 1737–1745.
Published: 1 May 2006
... are unclear. We hypothesized that the cutaneous surface is an important site of NH 3 volatilization in air-exposed R. marmoratus . Ion-selective microelectrodes were used to measure the NH 4 + concentration and pH in the boundary layer on the cutaneous surface of fish in water or air (acute: 1 h, chronic: 11...
Journal Articles
Journal Articles
J Exp Biol (1998) 201 (11): 1763–1769.
Published: 1 June 1998
... boundary layer adjacent to seven positions on the skin surface (one on the head, two on the yolk sac, two on the trunk, one at the base of the dorsal fin-fold and one on the proximal portion of the caudal fin-fold) of rainbow trout ( Oncorhynchus mykiss ) larvae in still water. The gradient , where x...
Journal Articles
J Exp Biol (1994) 197 (1): 349–375.
Published: 1 December 1994
.... This degradation of foraging performance is most pronounced as flow shifts from a smooth-to a rough-turbulent regime, where the change in hydraulic properties is associated with contraction of the viscous sublayer region of the boundary layer. Because flow in this region is quasi-laminar, the viscous sublayer may...
Journal Articles
Journal Articles
Journal Articles
J Exp Biol (1990) 154 (1): 67–80.
Published: 1 November 1990
...Alan W. Pinder; Martin E. Feder ABSTRACT Boundary layers may offer significant resistance to cutaneous oxygen uptake by amphibians in water. This hypothesis was tested by measuring resistance to oxygen uptake as a function of water velocity in bullfrogs submerged at 5 °C and by direct measurements...