1) Open water characteristic
敞水性能曲线
2) open water diagram
敞水特性曲线
3) open water performance
敞水性能
1.
Focusing on the open water performance of integrated propulsors with pre-swirl stator,duct and rotor,using factor analysis theory and de-compound experimental method,the interaction characteristics among components and open water efficiency of the propulsor were analyzed and the expression and measurement method for this type of propulsor were also established.
以由导管、前置定子和转子构成的组合推进器敞水性能为研究对象,运用因子分析理论和分解试验方法,分析并建立了组合推进器各部件水动力相互干扰特征和敞水效率的表达与测量方法。
2.
In order to predict the hydrodynamic performance of propeller with boss cap fins,CFD software was used to calculate the its open water performance.
为了预报毂帽鳍的水动力性能,采用计算流体力学软件对粘性流场中毂帽鳍的敞水性能进行计算研究。
4) open water curves modification
敞水性能修正
5) universal complete pump characteristics
水泵全性能曲线
补充资料：Hesse曲线(代数曲线的)
Hesse曲线(代数曲线的)
Hessian (algebraic curve)
11油限曲线(代数曲线的)【H台自11(.妙如允.抖e);recc咖，T~aaa，即r药pa一吸ee二o‘二p.助蓝] n次代数曲线(司罗玩水c~)的He丈祀曲线就是其极二次曲线能分裂为两条直线的点的集合，也是第一极曲线的二重点构成的集合.n次非奇异曲线的He丈七曲线是一条次数为3伪一2)、类为3(n一2)(3n一7)的曲线.设介O是这条n次曲线的齐次坐标方程，关丘=刁:f/刁xi刁、，则它的He丈犯曲线的定义方程为 !不:关:五，} }五:关:五31=0. }人，人2人3}特征不等于3时的三次非奇异曲线的H既七曲线与这条曲线交于9个通常拐点.因O.H改e(l 844)而得名. A .E.H困阳。B撰
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条