Ø舵面积AR舵叶的侧投影面积如有部分舵叶露出水面舵面积 指设计水线以下的舵的侧投影面积 Ø舵高展长h舵杆轴线方向舵叶上下缘的垂直距离Ø舵宽弦长 b为舵叶前后缘之间的水平距离 对矩形舵舵宽即各剖面弦长 对非矩形舵可用平均舵宽表示 Ø展弦比λ 对矩形舵λ=h/b 对非矩形舵叶
本文用正交试验法研究了舵展弦比、前缘后掠角、梢根比和翼剖面对舵性能的影响；
Described in this paper are the effects of the aspect ratio, the swept-back, the taper ratio and the profile of the ship rudder on its hydrodynamic performance by a test method of orthogonality.
本文介绍在我校拖曳水池所做的舵的比测试验、沉深试验、展弦比系列试验和厚度比系列试验。
The present paper introduces the experiments of open rudders carried out at the ship model towing tank of Shanghai Jiao Tong University.
大展弦比飞翼布局飞机取消了垂尾和常规方向舵，通常采用大偏角的开裂式方向舵作为偏航操纵面。
The high-aspect-ratio flying wing eliminates vertical tail and conventional rudder, and uses instead a split drag rudder with large deflection as its directional control surface.
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