1. Key Laboratory of Bionic Engineering (Ministry of Education)Jilin University Changchun 130022 People's Republic of China
2. College of Mechanical and Electric EngineeringChangchun University of Science and Technology Changchun 130022 People's Republic of China
3. Laboratoire de Mécanique des Fluides et d'Acoustique, École Centrale de Lyon 69131 Écully France