螺旋桨尾流 meaning in Chinese

discharge screw current
propeller race
slipstream
slistream

Compared to an ordinary rudder , the value of lift coefficient of ichthyoid rudder is about 30 % higher and the maximum rudder angle of it nearly reaches 45 degrees . ichthyoid rudder is a design under such a conception as to effectively utilize the propellers slipstream for rudder action , and featured by having a fish - shaped one - piece construction that is to say - no part of ichthyoid rudder can move in the water
其研究的鱼形舵是一个没有在水下移动的鱼尾形剖面单片结构，增加了全舵的剖面拱度，使螺旋桨尾流的折射水量增强，进而增大了水动力的作用，使之比普通流线形舵的升力提高30左右。