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- Title
Hydrodynamics study and simulation of a bionic fish tail driving system based on linear hypocycloid.
- Authors
Wang, Shuyan; Zhu, Jun; Wang, Xinguo; Li, Qinfeng; Zhu, Huiyun; Zhou, Rui
- Abstract
The tail driving system based on linear hypocycloid has the advantages of adjustable phase difference, no quick-return, and combining speed reducer with transformation mechanism. The two-joint composite motion of the driving system was realized via caudal peduncle’s linear reciprocating in cosine and caudal fin’s oscillating in sine-like. First, dynamic and hydrodynamic models were established with momentum theorem, Lagrange theorem, and two-dimensional Foil theory. Second, study on lift force and vortex ring with optimal results was further conducted by numerical simulation in FLUENT. At last, theoretical derivation and simulation results have been testified in experiments.
- Subjects
GENETIC engineering of fish; FISH locomotion; HYDRODYNAMICS; SPEED reducers; EPICYCLOIDS &; hypocycloids
- Publication
International Journal of Advanced Robotic Systems, 2018, Vol 15, Issue 2, p1
- ISSN
1729-8806
- Publication type
Article
- DOI
10.1177/1729881417746950