基于人工侧线的履带装备水阻力计算方法

针对水下装备的水阻力无法实时测量的问题，提出了一种基于人工侧线的履带装备水阻力计算方法。通过履带装备模型的人工侧线系统，提取不同来流速度和来流角度的传感器压力值，应用压力值的分布规律对履带装备模型的局部流场信息进行感知。通过履带装备模型水阻力拘束实验结合计算流体动力学（CFD）仿真的方式对水阻力系数进行辨识，建立履带装备模型的迎流面外形与黏性水阻力系数的函数关系。将人工侧线的流场感知结果作为输入，实时计算履带装备模型的水阻力。履带装备模型的人工侧线和水动力验证结果表明，人工侧线的压力分布特性可以有效地识别流场的来流速度和来流角度，履带装备模型的水阻力计算误差在工程应用可接受范围内。

Hydrodynamic Force Calculation Method of Tracked Equipment Based onArtificial Lateral Line#br#

 Aiming at the challenge that the hydrodynamic forces of underwater equipment could not be measured in real time， a method for calculating the hydrodynamic forces of track equipment was proposed based on ALL. Through the ALL system of the track equipment， the pressure values of different incoming flow speeds and angles were extracted， and the distribution law of pressure values was used to perceive the local flow field information of the track equipment. Through the hydrodynamic force restraint experiments of the track equipment combined with the computational fluid dynamics（CFD）simulation method， the functional relationship between the front surface shapes of the track equipment and the viscous coefficient was established. Based on the flow field perception results of the ALL， the hydrodynamic force empirical model of the track equipment was derived. The verification results show that the pressure distribution characteristics of the ALL may effectively identify the incoming flow velocity and angle. The hydrodynamic force empirical model combined with the results of ALL perception may be used to estimate the hydrodynamic force of underwater track equipment in real time， the water resistance calculation error of underwater track equipment model is within the acceptable range of the engineering application.