Journal of Bionic Engineering

, Volume 5, Supplement 1, pp 79–86 | Cite as

Study of a Bionic Paddy Impeller Inspired by Buffalo Hoof

  • Yong-zhi Zhang
  • Chun-cheng Zuo
  • Yang Wang
  • Shao-ming SunEmail author
  • Lu-quan Ren


Based on the particular geometric characteristics of buffalo hoof, which is capable to walk on the soft soil of paddy-field with low resistance, a bionic blade for paddy field impeller was designed. The test results in soil bin show that the traction ability of the bionic blade for paddy wheel is improved. Compared with the conventional plate blade, the maximum pull force of the bionic blade is increased by 37.8% and the maximum impeller efficiency is 38.3% higher. Computational simulation analysis shows that bionic shape can improve the driving force of the impeller by resisting and reducing the impacts resulted from the sharp velocity change of the discontinuous surface water flow, and the driving torque of the bionic blade may increase as well.


buffalo hoof bionic blade paddy impeller computational simulation orthogonal test 


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Copyright information

© Jilin University 2008

Authors and Affiliations

  • Yong-zhi Zhang
    • 1
  • Chun-cheng Zuo
    • 1
  • Yang Wang
    • 2
  • Shao-ming Sun
    • 3
    • 4
    Email author
  • Lu-quan Ren
    • 3
  1. 1.Institute of Mechanical Science and EngineeringJilin UniversityChangchunP. R. China
  2. 2.Department of Computer ScienceTufts UniversityUSA
  3. 3.Key Laboratory of Terrain-Machine Bionics Engineering (Ministry of Education, China)Jilin UniversityChangchunP. R. China
  4. 4.Institute of Intelligent MachineChinese Academy of SciencesHefeiP. R. China

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