设计航速

试验表明半潜体使经济航速阻力减小18～23%，设计航速阻力减小5～7%。

The model experiment results show that SSB may reduce the ship resistance 18 ~ 25 % at economical speed , and 5 ~ 7 % at design speed .

该系统不仅可按特殊的设计方式（给定设计航速以及给定设计航速和螺旋桨直径）设计简易导管螺旋桨，还可按常规的设计方式设计MAU系列桨。

This system can not only be used to design simplified ducted propeller according to the special design approach ( given design speed or given speed and diameter of propeller ), but be used to design MAU propellers with conventional design approach .

船底形状较为平坦，便于座滩.快速性试验结果表明，该船的阻力性能和推进性能在设计航速（Fr＝0.384）时都是优良的。

The form of the hull bottom is designed considerably flat for the need of taking the ground . The model test results show that the resistance and propulsion performances of the hull form are satisfactory .

该方法可以结合动力艇的拖钩拉力与航速曲线，确定组合体可能达到的最大设计航速。

Associated with the relationship between the towing force of a given autoboat and its sailing velocity , this method can be used to figure out the designed maximum sailing velocity of the assembled body ( autoboat towing ships ) .

基于互联网的船型设计与航速预报应用服务系统

Internet Service System for Hull Form Design and Hydrodynamic Performance Prediction

在升力测量中，将升力控制引入零航速减摇技术中，根据实船安装环境几个耦合因素的影响，针对零航速减摇鳍，设计了零航速减摇鳍升力传感器；

The lift control concept is introduced into the anti rolling ship at zero speed . For the zero speed fins stabilizer , the lift sensor is designed that take into account the factor of fixing of the sensor in the actual ship and the coupling factor ;

本文采用均匀设计的方法安排支架臂角度的优选试验，并获得成功，使该船在设计航速时有5%的节能效果模型的适用范围。

Alternative model tests were completed in towing tank by applying uniform design approach to set up strut angle and practical results were achieved which improve powering performance efficiency up to 5 % at design speed .