Active control of wall-bounded turbulence for drag reduction with piezoelectric oscillators<xref rid="cpb_27_7_074701_fn1" ref-type="fn">*</xref><fn id="cpb_27_7_074701_fn1"> <label>*</label><p>Project supported by the National Natural Science Foundation of China (Grant Nos. 11332006, 11732010, 11572221, and 11502066).</p></fn>

Active control of wall-bounded turbulence for drag reduction with piezoelectric oscillators* *

Project supported by the National Natural Science Foundation of China (Grant Nos. 11332006, 11732010, 11572221, and 11502066).

Bai Jian-Xia^{1, 2}, Jiang Nan^{1, 3, †}, Zheng Xiao-Bo¹, Tang Zhan-Qi¹, Wang Kang-Jun¹, Cui Xiao-Tong¹

(color online) Average velocity profiles of the turbulent boundary layer on the plate: (a) SYN vibration at different frequencies, (b) SYN/ASYN vibration at 100 V/160 Hz, (c) SYN vibration at 160 Hz, (d) ASYN vibration at 160 Hz.