236
SEVEN A. ORSZAG AND YIH-HO P A 0
' 4 / 2
Fici. 6. Radial variation of axiul mean-square turbulent intensity at f = 0.5X for run 2a.
Crosses: run 2a: circles: results of Wang and Naudascher.
the difticulty of modelling imprecisely known laboratory experiments. With
the initial conditions imposed as in Section 3.3, the wake is very sensitive to
the initial turbulence level relative to the mean shear. while much of this
dependence is avoided by the present technique.
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