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Ensemble-averaged vertical velocity 〈uz〉 (––) and horizontal velocity 〈uz〉 (– –) obtained by PIV, DES-SST (DES), SC, SM and SF on lines at Z = −10 mm, −20 mm and −30 mm. The different phenomena (Fig. 1) are indicated by vertical lines. Please note that the intake jet CR is limited to Z = −10 mm.