Fig. 3
From: Conditional POD for predicting extreme events in turbulent flow time signals

(a) PDF of the scaled dissipation rate \(\varepsilon ^{\star }\), centered and scaled to have zero mean and a unit standard deviation, at various wall distances for \(Re_c = 3000\). (b) Temporal autocorrelation of the dissipation rate \(\varepsilon ^{\star }\) for the same time signals.