Investigation of the Spatial Structure of Turbulence in the Wake Behind Bluff Bodies

Abstract

In the analysis of developed turbulence it is customary to make use of the universal scaling of the ensemble averaged moments of the structure function defined as

$$ s_n \left( r \right) = \left\langle {\left| {V\left( {x + r} \right) - V\left( x \right)} \right|^n } \right\rangle $$

(1)

where r denotes the separation distance. Usually, the structure function is recovered by means of the Taylor Hypothesis from a time series recorded at a given point.