NDLI: Propulsive performance analysis of bionic turtle hydrofoil in coupling movement

Content Provider	IEEE Xplore Digital Library
Author	Xu Jian-an Gao Xin Yan Na Zhang Ming-jun
Copyright Year	2014
Description	Author affiliation: Coll. of Mech. & Electr. Eng., Harbin Eng. Univ., Harbin, China (Xu Jian-an; Gao Xin; Yan Na; Zhang Ming-jun)
Abstract	Taking the bionic hydrofoil of a hydrofoil propulsion prototype as the research object, a coupling movement method is proposed considering problem of discontinuous thrust generated in stages. Changes of inflow velocity, the angle of attack and the tip trajectory in different coupling motion modes are analyzed. Relationships between motion parameters and average thrust force are compared, when the bio-hydrofoil takes the trigonometric function, triangular and square wave as the profile of stroke spinning angular velocity respectively, and couples with the trigonometric-function-wave-profile azimuth spinning angular velocity. Results of analysis show that in same motion parameters, the coupling movement modes of triangular-wave-profile stroke spinning angular velocity achieves the largest average thrust force. The mode of square-wave-profile stroke spinning angular velocity can obtain the shortest motion period, which improves the largest average thrust force generated by hydrofoil in an indirect way. The ave rage thrust force generate d in the coupling movement mode of trigonometric-function-wave-profile stroke spinning angular velocity is between the other two modes.
Starting Page	1624
Ending Page	1630
File Size	528535
Page Count	7
File Format	PDF
ISBN	9781479939787
e-ISBN	9781479939794
DOI	10.1109/ICMA.2014.6885943
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-08-03
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Spinning Angular velocity Force Couplings Azimuth Propulsion Trajectory hydrodynamic calculation hydrofoil propulsion coupling movement
Content Type	Text
Resource Type	Article

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