Abstract：In order to study the bionic hydrofoil propulsion performance, a 2-degree-of-freedom oscillating hydrofoil propulsion device is designed. The lift force propulsion mode and the drag force propulsion mode are realized. An experiment platform of oscillating hydrofoil propulsion performance is built and a series of experiments are performed with different parameters coupling in the circulating water tunnel. In order to analyze the influence of different parameters on the propulsion performance, thrust and lift forces generated by oscillating hydrofoil are measured with a 6-axis force sensor, and compared with numerical simulation results. Experimental results show that the average thrust can be raised by increasing the heaving amplitude and oscillating frequency under the lift force propulsion mode. With the increase of pitching amplitude, the average thrust increases at first and then decreases. With the increase of oncoming flow speed, the average thrust decreases. Under the drag propulsion mode, the average thrust can be raised by increasing the heaving amplitude or oscillating frequency.
[1] Low K H, Zhou C L, Ong T W, et al. Modular design and initial gait study of an amphibian robotic turtle[C]//IEEE International Conference on Robotics and Biomimetics. Piscataway, USA: IEEE, 2007: 535-540.
[2] Fish F E. Transitions from drag-based to lift-based propulsion in mammalian swimming[J]. American Zoologist, 1996, 36(6): 628-641.
[3] 张铭钧，刘晓白，徐建安，等.海龟柔性前肢仿生推进研究 [J].机器人，2011，33(2)：229-236.Zhang M J, Liu X B, Xu J A, et al. Bionic research on turtle's flexible forelimb propulsion[J]. Robot, 2011, 33(2): 229-236.
[4] 杨清海，喻俊志，谭民，等.两栖仿生机器人研究综述 [J].机器人，2007，29(6)：601-608.Yang Q H, Yu J Z, Tan M, et al. Amphibious biomimetic robots: A review[J]. Robot, 2007, 29(6): 601-608.
[5] 刘晓白.仿海龟柔性水翼推进技术研究 [D].哈尔滨：哈尔滨工程大学，2011.Liu X B. Study on flexible bionic turtle hydrofoil propulsion technology[D]. Harbin: Harbin Engineering University, 2011.
[6] Blake R W. Mechanics of labriform locomotion--Part I. Labriform locomotion in the angelfish (pterophyllum eimekei): Analysis of the power stroke[J]. Journal of Experimental Biology, 1979, 82: 255-271.
[7] Chiu F C, Chen C K, Guo J. A practical method for simulating pectoral fin locomotion of a biomimetic autonomous underwater vehicle[C]//4th International Symposium on Underwater Technology. Piscataway, USA: IEEE, 2004: 323-329.
[8] Liu H, Ellington K, Kawachi C K. A computational fluid dynamic study of hawkmoth hovering[J]. Journal of Experimental Biology, 1998, 201(4): 461-477.
[9] Anderson J M, Streitlien K, Barrett D S, et al. Oscillating foils of high propulsive efficiency[J]. Journal of Fluid Mechanics, 1998, 360(1): 41-72.
[10] Polidoro V. Flapping foil propulsion for cruising and hovering autonomous underwater vehicles[D]. Cambridge, USA: Massachusetts Institute of Technology, 2003.
[11] Read D A. Oscillating foils for propulsion and maneuvering of ships and underwater vehicles[D]. Cambridge, USA: Massachusetts Institute of Technology, 2001.
[12] Shyy W, Lian Y, Tang J, et al. Aerodynamics of low Reynolds number flyers[M]. Cambridge, UK: Cambridge University Press, 2007.
[13] Triantafyllou M S, Triantafyllou G S, Yue D K P. Hydrodynamics of fishlike swimming[J]. Annual Review of Fluid Mechanics, 2000, 32(1): 33-53.
