球状船首 (英语:Bulbous bow),或称球型艏、球鼻艏,是为了只能抵消海波的打击而设计的,外型为一个突出的球般,位置在船首水线底下的突起部分。能抵消海浪所造成的冲击,令燃料的效率及速度提高,故常见于大型船只。它和船只的撞角外型类似,但功用及效果则大相径庭。不少现代的船舰也采取类似的设计。[1]

球状船首能减少船只在高速行驶时受到的兴波阻力
球状船首

参考资料

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