Application of a PDF method for the statistical processing of experimental data

A new method of experimental data validation for turbulent flows has been developed and tested. The method is based on the statistical analysis of the ensemble of measured physical quantities. The assumption of the exponential decay of PDF tails for turbulent fluctuations is taken as the basis. The possibility of the PDF for turbulent fluctuations being substantially non-Gaussian has been taken into account. The method developed has been applied to a PIV-measured ensemble of instantaneous velocity fields in a turbulent impinging jet processed by different primary validation methods. Such an approach allows the rejection of the large-amplitude erroneous velocity vectors and corrects the calculation of higher order statistical moments.