caa a22 4500 606198458 CHVBK 20210128100934.0 cr unu---uuuuu 210128e20150801xx s 000 0 eng 10.1007/s00348-015-2033-4 doi (NATIONALLICENCE)springer-10.1007/s00348-015-2033-4 Influence of localized unsteady ejection on the scaling laws and intermittency in a turbulent boundary layer flow [Elektronische Daten] [H. Guo, Q. Huang, P. Liu, T. Feng] The effects of localized unsteady ejection by synthetic jet with slot-type exit on a turbulent boundary layer at zero pressure gradient conditions were investigated downstream of the slot using hot-wire anemometry. This work is to investigate the influence of unsteady disturbance on turbulent structures at small scales, i.e., in the isotropy recovery range (IRR) and the shear-dominated range (SDR). In the near-slot region, our results show that IRR is extended and SDR is shortened for the perturbed flow in the near-wall region, which contributes to the decrease in anisotropy and intermittency. For the perturbed flow, only one scaling behavior of the longitudinal structure functions similar to the classical Kolmogorov-like scaling is observed in IRR. Springer-Verlag Berlin Heidelberg, 2015 Guo H. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut Huang Q. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut Liu P. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut Feng T. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut Experiments in Fluids Springer Berlin Heidelberg 56/8(2015-08-01), 1-9 0723-4864 56:8<1 2015 56 348 https://doi.org/10.1007/s00348-015-2033-4 text/html Onlinezugriff via DOI BK010053 XK010053 XK010000 Metadata rights reserved Springer special CC-BY-NC licence nationallicence 1 research-article jats NATIONALLICENCE NATIONALLICENCE NL-springer NATIONALLICENCE 856 40 https://doi.org/10.1007/s00348-015-2033-4 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Guo H. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Huang Q. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Liu P. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut NATIONALLICENCE 700 1- Feng T. Key Laboratory of Fluid Mechanics (Beihang University), Ministry of Education, 100191, Beijing, People's Republic of China aut NATIONALLICENCE 773 0- Experiments in Fluids Springer Berlin Heidelberg 56/8(2015-08-01), 1-9 0723-4864 56:8<1 2015 56 348