The new back eliminated the dual modes seen earlier with peak
ΔT=15K. Reducing the r/min to m/s conversion by 2%
(which is within the ± 3% error band of the anemometer)
and adjusting the breakpoint results in a beautiful fit!
The points at Re=3545 and Re=5231 could be following either the
Smooth Turbulent Asymptote or the Transition Model; it's too close
to tell. The reason that the Transition Model has less convection
than the Smooth Turbulent Asymptote below Re=6000 is because the
leading edge of the boundary layer is modeled as thinner than the
roughness; but division by the local characteristic length, 0, is
undefined at the leading edge.
Governance by those who do the work.
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