数字海洋与水下攻防2025，Vol.8Issue(3)：267-276,10.DOI:10.19838/j.issn.2096-5753.2025.03.004
浮冰对通气航行体出水空泡及水动力影响研究
Study on Effects of Floating Ice on Ventilation Cavity and Hydrodynamics of Vehicles
摘要
Abstract
Studying the influence mechanism of floating ice on the cavity flow and hydrodynamic characteristics during the water exit process of a vehicle is of great significance for expanding the application of submarine-launched vehicle in low-temperature environments.Based on computational fluid dynamics-finite element method(CFD-FEM),a bidirectional fluid-structure coupling model is established to calculate the water exit of a blunt-headed vented vehicle in a floating ice environment.A comparative study is conducted on the differences in cavity evolution and hydrodynamic characteristics between ice-free and ice-water mixture environments.The results indicate that floating ice causes bending and wrinkling of the shoulder cavity,promoting a mixing of cavity with surrounding liquid,and increasing the area of high velocity and vortex presence in the flow field.The impact of ice leads to the formation of high-stress regions at the head of the vehicle,resulting in a reduction in its kinetic energy during the cross-water stage and decreasing its motion stability.Novel vehicles suitable for ice-covered environments must possess greater impact resistance.The findings can provide some reference for the design of new vehicles intended for operation in icy regions.关键词
浮冰/航行体/空泡演变/垂直出水/冲击载荷Key words
floating ice/vehicle/cavity evolution/vertical water exit/impact load分类
数理科学引用本文复制引用
王浩,蔡晓伟,黄振贵,刘想炎,陈志华,易文俊..浮冰对通气航行体出水空泡及水动力影响研究[J].数字海洋与水下攻防,2025,8(3):267-276,10.基金项目
国家自然科学青年基金"空心射弹高速入水空泡时空演化与弹道稳定机理研究"(12002165). （12002165）
