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Fig. 7. Estimated marginal means from the statistical model (see text). Error bars
represent the 95% confidence interval of the estimate and wing positions are
outer wing (lz), mid-wing (ly), inner wing (lx) and centre of body (lr). (A)
Normalized circulation
/Uc of the main start and stop vortices
at different wing positions in the near and far wake based on the combined
dataset. The means were estimated at a flight speed of U=5.3 m
s–1. c, mean chord. (B) Normalized circulation
(
/Uc) of the main start and stop vortices at different wing
positions based on the near-wake data. The means were estimated at
U=3.5 m s–1. (C) Circulation of the main start and
stop vortices relative to the total circulation
(
/
tot) of the same sense at different wing locations
in the near and far wake, based on the combined data set. The means were
estimated at U=5.4 m s–1.