Viscous flow around a duct propeller under open water condition was simulated by solving RANS equations, and the characteristic of the flow field was described.
采用求解RANS方程的方法对某导管桨敞水流场进行数值模拟，并对导管桨流场特点进行分析。
Attaching it to the shaft of propeller with rotary duct will lead to a better result.
若在转动导管螺旋桨上加装PBCF，其效果更佳。
Once the rotors are fitted, they'll cut through the material, creating a channel that reduces the clearance between the propeller top and duct wall.
一旦转子安装，他们会通过减少材料，创建了一个通道，降低了螺旋桨的顶部和管壁之间的间隙。
Once the rotors are fitted, they'll cut through the material, creating a channel that reduces the clearance between the propeller top and duct wall.
一旦转子安装，他们会通过减少材料，创建了一个通道，降低了螺旋桨的顶部和管壁之间的间隙。
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