为了考虑通气装置对通气减阻率的影响，形成一种更加符合物理规律的通气减阻模拟方法，将多孔介质模型应用于通气减阻的模拟，并同时考虑重力和自由面的影响。通过对多孔介质模型中的阻尼系数、孔隙率等参数进行合理设置，成功对自由面下航行体通气三相流流场进行了数值模拟，并得出了合理的阻力和减阻率数据。研究表明，多孔介质模型相较于传统方法，在非通气状态存在确定性的系统误差；通气状态下的定量分析则可在未来获得实验数据后，通过阻尼系数的调节来满足精度要求。多孔介质模型在通气减阻模拟上，具有优于传统方法的可靠性。
In order to consider the impact of ventilation devices on the rate of ventilation drag reduction and to develop a more physically accurate simulation method for ventilation drag reduction, a porous media model was applied to the simulation of ventilation drag reduction while also taking into account the effects of gravity and free surface. By reasonably setting parameters such as the damping coefficient and porosity in the porous media model, successful numerical simulation of the ventilation three-phase flow field beneath a free surface was achieved, yielding rational drag and drag reduction rate data. The study shows that compared to traditional methods, the porous media model exhibits a definitive systematic error in non-ventilation conditions; however, quantitative analysis under ventilation conditions can meet accuracy requirements through adjustments in the damping coefficient once future experimental data is obtained. The porous media model demonstrates a reliability in the simulation of ventilation drag reduction that is superior to traditional methods.
2025,47(3): 152-157 收稿日期：2024-4-30
DOI：10.3404/j.issn.1672-7649.2025.03.025
分类号：U661.1
作者简介：韩意凯(2001-),男,硕士研究生,研究方向为计算船舶流体力学
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