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对前置螺旋的生物无人驾驶空中潜水器在水出口的性能进行数值调查

Yu Dong¹, Qigan Wang¹, Wei Wu²

¹Key Laboratory of CNC Equipment Reliability (Ministry of Education) and School of Mechanical and Aerospace Engineering, Jilin University, Changchun 130022, China.

Biomimetics (Basel, Switzerland)

|January 27, 2026

概括

将前置螺旋折叠在生物灵感的无人机-水下飞行器 (UAUV) 上,可以显著降低水出口阻力. 最佳的出口条件涉及特定的速度和角度,以确保安全和高效的水出口.

科学领域:

流体动力学和水力动力学
生物启发的机器人和工程
数字模拟和计算力学计算力学

背景情况:

无人驾驶空中潜水器 (UAUV) 需要在空气和水环境之间进行高效的过渡.
水出口性能是UAUV运行成功和车辆完整性的关键因素.
生物灵感来自自然现象,如飞鱼,为UAUV提供了新的设计解决方案.

研究的目的:

为了数值地研究前置螺旋的生物灵感UAUV的水出口特性.
分析螺旋配置,出口速度和出口角度对水出口性能的影响.
量化出口拖延和UAUV的出口状态之间的关系.

主要方法:

使用修改的剪切应力传输 (SST) 流模型和流体体积 (VOF) 多相配方开发一个强大的数值框架.
实施超设网格技术和六度自由 (6-DOF) 运动模型,以实现精确的模拟.
对框架与球体的标准水出口情况进行验证.

主要成果:

折叠前置螺旋有效地减少了水出口阻力,并减轻了叶片上的高压度.
在出口速度≥8 m/s和出口角度≤30°的情况下,出口阻力峰值保持在90.004 N以下.
峰值出口拖动显示出与出口速度和出口角度都有显著的二次关系.

结论:

数值方法准确地解决了生物灵感UAUVs的详细水出口性能.
对于安全的水出口的建议包括避免螺旋部署,保持适度的出口速度和角度.
研究结果提供了重要的生物灵感设计指南和分析策略,以优化UAUV的开发,重点是尽量减少水出口阻力.

关键词:

生物模型生物模型多相流量流的多相流量无人驾驶空中-水下飞行器水出口水出口水出口

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