Northwestern Polytechnical University;
Xi'an 710072.People's Republic of China;
University of California;
Irvine;
CA.92697-3975;
United States of America;
Xi'an University of Technology;
Xi'an 710048.People's Republic of China;
DBD; plasma; actuator; flow; control; Spalding; formula; drag; reduction; turbulent; boundary; layer;