哈尔滨工程大学学报2026，Vol.47Issue(2)：255-263,9.DOI:10.11990/jheu.202405023
二回路冷却系统通海管路-艇体流固耦合噪声特性分析
Research on the fluid structure coupling noise characteristics of the sea pipeline submarine in the secondary cooling system
摘要
Abstract
To investigate the influence of pipe support stiffness in the secondary loop cooling system on the flow-induced noise and flow-induced vibration noise of the seawater piping,taking the fluid in the secondary loop cooling system and a simplified model of seawater piping-hull as the research object,the flow field of the seawater piping and the vibration response of the hull under four different pipe support stiffnesses were calculated using a two-way fluid-structure interaction method.Based on this,the pulsating pressure in the piping flow field and hull vibration data were used as excitation sources.Combined with acoustic boundary element method,the flow-induced noise of the sea-water piping and the flow-induced vibration noise of the hull were calculated and analyzed.The research results indi-cate that:the flow-induced noise of the seawater piping decreases gradually with the increase of pipe support stiff-ness;reducing the support stiffness of the piping near the seawater inlet cannot effectively suppress the flow-induced vibration noise of the hull,and may easily increase the overall sound radiation of the secondary loop cooling system.Therefore,the piping near the seawater inlet section should adopt connection methods with larger support stiffness.关键词
二回路冷却系统/通海管路/艇体/流固耦合/自流循环/流噪声/流致振动噪声/管路支撑Key words
secondary loop cooling system/seaside pipeline/submarine hull/fluid structure coupling/gravity cir-culation/flow noise/flow induced vibration noise/piping support分类
交通工程引用本文复制引用
王文博,向阳,贾泽坤..二回路冷却系统通海管路-艇体流固耦合噪声特性分析[J].哈尔滨工程大学学报,2026,47(2):255-263,9.基金项目
国家自然科学基金项目(52241102). （52241102）
