Hydrodynamic analysis and energy capture efficiency of multi-module bionic manta ray UUV
Zhongguo Jianchuan Yanjiu(2023)
摘要
ObjectivesAiming at the bottleneck of the insufficient electric endurance of unattended vehicles, the configuration design, motion performance and energy capture efficiency analysis of a manta ray bionic unmanned underwater vehicle (UUV) are carried out. MethodsThe configuration of a multi-module bionic long-endurance manta ray UUV is proposed, and its motion and energy capture mechanism are deduced and obtained under the principle of wave energy capture by a floating hydraulic cylinder. Next, based on the multi-module floating body theory and three-dimensional potential theory, hydrodynamic calculation and analysis are carried out, and the motion response and wave energy capture law of the multi-module manta ray UUV are revealed under different wave directions and different connected stiffness and damping of the UUV. ResultsFinally, the wave energy capture efficiency of the multi-module manta ray UUV in waves is studied in combination with the optimal stiffness and damping of the hydraulic cylinder.ConclusionsIt is concluded that the wave energy capture characteristics of a multi-module manta ray UUV can be analyzed by its motion equations and energy capture formula.
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关键词
bionic manta rays,multi-module uuv,wave energy,motion,energy capture
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