Design of bionic water jet thruster with double-chamber driven by electromagnetic force

IF 3.4 Q1 ENGINEERING, MECHANICAL 国际机械系统动力学学报(英文) Pub Date : 2024-09-22 DOI:10.1002/msd2.12128
Chong Cao, Yasong Zhang, Chengchun Zhang, Chun Shen, Wen Cheng, Zhenjiang Wei, Zhengyang Wu, Luquan Ren
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Abstract

In response to the limitations of the single-chamber water jet thruster used in underwater vehicles mimicked by natural cephalopods, a novel approach involving a double-chamber water jet thruster has been proposed. This thruster utilizes electromagnetic force to manipulate the diaphragm, thereby altering the volume of the upper and lower chambers to achieve water jet propulsion. Experimental investigations were conducted to determine the tensile length-force characteristics of the diaphragm made of Agileus30. Subsequently, key parameters of essential propulsion components, such as solenoid coils, electromagnets, and currents, were established based on the tensile length-force curve, and the propulsion capabilities of the system were evaluated through theoretical analysis. Theoretical assessments indicate that the system does not produce reverse thrust regardless of whether the coil moves up or down. Further experimental results demonstrate that the maximum peak propulsion force generated by the dual-chamber water jet thruster within a 3-s cycle is 0.253 N.

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设计由电磁力驱动的双腔仿生喷水推进器
针对模仿自然头足类水下航行器使用的单腔喷水推进器的局限性,提出了一种涉及双腔喷水推进器的新方法。这种推进器利用电磁力来操纵膜片,从而改变上下腔的容积,实现喷水推进。实验研究确定了 Agileus30 膜片的拉伸长度-力特性。随后,根据拉伸长度-力曲线确定了电磁线圈、电磁铁和电流等基本推进组件的关键参数,并通过理论分析评估了系统的推进能力。理论评估表明,无论线圈是向上还是向下移动,系统都不会产生反向推力。进一步的实验结果表明,双腔喷水推进器在 3 秒周期内产生的最大推进力峰值为 0.253 N。
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Issue Information Cover Image, Volume 4, Number 3, September 2024 Design of bionic water jet thruster with double-chamber driven by electromagnetic force A data-assisted physics-informed neural network (DA-PINN) for fretting fatigue lifetime prediction Comparison of the performance and dynamics of the asymmetric single-sided and symmetric double-sided vibro-impact nonlinear energy sinks with optimized designs
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