等截面葉片 constant chord blade
變截面葉片variable chord blade
葉片投影面積 projected area of blade
葉片長度 length of blade
葉根 root of blade
葉尖tip of blade
葉尖速度 tip speed
漿距角 pitch angle
翼型 airfoil
前緣 leading edge
后緣tailing edge
幾何弦長 geometric chord of airfoil 
平均幾何弦長 mean geometric of airfoil
氣動弦線 aerodynamic chord of airfoil
翼型厚度 thickness of airfoil
翼型相對厚度 relative thickness of airfoil
厚度函數(shù) thickness function of airfoil
中弧線 mean line
彎度 degree of curvature
翼型族 the family of airfoil
彎度函數(shù) curvature function of airfoil
葉片根梢比 ratio of tip-section chord to root-section chord
葉片展弦比 aspect ratio
葉片安裝角setting angle of blade
葉片扭角 twist of blade
葉片幾何攻角 angle of attack of blade
葉片損失blade losses
葉尖損失tip losses
顫振flutter
迎風機構(gòu)orientation mechanism