本文以一艘三体船为研究对象，开展主动式截流器流体动力性能与减摇效果研究。首先，采用CFD数值技术，开展截流器流体动力性能研究。数值计算结果表明，由于截流器的存在使得船尾流体压力急剧增加，在船尾产生一个向上的流体作用力，从而可以产生一个较大的抑制船舶抬首的纵摇力矩。然后，通过设计一组截流器装置，开展三体船顶浪规则波模型试验，试验中截流器采用主动控制和不控制2种方式。最后，分析得到了带截流器三体船纵摇运动响应函数，试验结果表明当波长船长比大于1.0时，主动式截流器起到了减摇效果，最大减摇效果可达19.23%。本文研究成果可为后续截流器在实船上的应用提供技术支撑。
This paper takes a trimaran as the research object to study the hydrodynamic performance and anti-pitching effect of an active interceptor. First, the CFD numerical technology is used to study the hydrodynamic performance of the interceptor. The numerical calculation results show that the existence of the interceptor causes a sharp increase in the fluid pressure, generating an upward fluid force at the ship stern, which can generate a larger pitching moment to restrain bow lifting of the ship. Then, by designing a set of interceptor devices, the top wave regular model test of trimaran is carried out. In the experiment, the active control and non-control methods of interceptor is adopted. Finally, the pitch motion response function of trimaran with interceptor is obtained. The test results show that when the ratio of wave length to ship length is greater than 1.0, the active interceptor has the anti-pitching effect, and the maximum anti-rolling effect can reach 19.23%. The research results of this paper can provide technical support for the application of interceptors on real ships.
2022,44(18): 6-10 收稿日期：2022-04-19
DOI：10.3404/j.issn.1672-7649.2022.18.002
分类号：U661.1
基金项目：国家自然科学基金资助项目(51279184)
作者简介：王习建(1990-),男,硕士,工程师,研究方向为船舶流体力学
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