In this paper, a numerical database for turbulent pipe flow with relatively high rotation rates has been used to examine how near-wall vortical structures influence different flow quantities. The qualitative picture implied by the flow visualization has been quantitatively confirmed by the second- order structure functions. In previous studies, e.g. [7], the deviation of the exponents for the high-order structure functions from "n/3" was used to quantify the intermittent character of the intermediate scales in locally isotropic flows. In this low Reynolds number study, the intermittency of the large scales has been artificially increased by imposing an external rotation. The structures become longer and wider and these changes are reflected in changes in the longitudinal and transverse structure functions.
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