摘要
运用多元多项式的回归分析方法给出了螺旋桨推力系数K_T值的一种精度较高的数学表达式.所得的回归表达式适用于计算机进行螺旋桨的进、倒车推(拉)力计算,同时便于进行船舶操纵性研究.文中给出了苏联学者米尼奥维奇三叶螺旋桨的推力系数K_T值图谱的多项式表达式的数值结果.
The mathematical expressions with high accuracy of propeller thrust coefficient are given by the regression analysis. These expressions are suitable for calculating the value of the propeller thrust with computer and convenient for the study of the ship' s maneuverability. According to the numerical illustrations, the regression polynomials of M' s 3 blades propeller open water thrust coefficient (KT) diagrams are given.
关键词
推进装置
推力参数
KT值
数学表达
Propeller thrust coefficient
Advance coefficient
Pitch ratio of screw
Blade area ratio of screw
