第一百一十七章 人造鲨皮
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钢镚顿了顿，继续道：“大白鲨表皮全是竖立的细小刺片（渔民可以用鲨鱼皮打磨木器），这些小刺片的平面全部顺着水的流线。当大白鲨高速前进时，贴着表皮的海水顺着这些小刺片形成了层流，大大地降低了水的阻力。所谓的人造鲨皮，就可以通过这种原理制造出来！我做过模拟计算，人造鲨皮除了减阻外，它还具有极好的减噪音效果。从软件仿真中可以证实，艇体内部的震动（噪音）传输到艇壳，通过这层蜂窝状的异质界面（声音在钢铁与橡胶中的传播速度差别很大）时，大部分被吸收，又有一部分由于小刺片的作用呈漫射状消失在艇体附近的水流中，效果胜过消音瓦。”
陈新听得目瞪口呆，如果钢镚说的属实的话，那人造鲨皮对中国海军而言可就太重要了。
众所周知，潜艇的重大功用是它的隐蔽性。
一艘“基洛”级潜艇的造价大体上与“现代”级导弹驱逐舰相当为4亿美元，但它的火力完全不能同导弹驱逐舰相比，其价值就在于其极好的隐蔽性。
在海水中声音的传播完全不同于在空气中的，海洋中的背景噪音就达90分贝。“基洛”级潜艇在以经济航速潜航时，发出的噪音接近这一声级。被西方的军事专家赞誉为海洋中的“黑洞”。
我国的091型汉级攻击核潜艇和092夏级导弹核潜艇初期的潜航噪音，竟然高达160分贝和165分贝，经多年来的改进仍高达150和155分贝。
美国的军事专家曾经挖苦道：“pla的核潜艇从gz出港，在越南的西贡都可以听到。”
新型的093级攻击核潜艇和094级弹道导弹核潜艇已分别降到125分贝和130分贝，但是与美国的“洛杉矶”级攻击核潜艇的120分贝、“海狼”以及“弗吉尼亚”级核潜艇的95分贝、“俄亥俄”级弹道导弹核潜艇的100分贝还是相距甚远。
对当代的声纳技术而言，噪音每降低15分贝，探测距离就会降低到50％－70％。这就可见潜艇静音技术的重大意义。
如果中国海军093级攻击型核潜艇以及094能装备上人造鲨皮，那么将大大提高中国的战略核威慑能力。
假如中国094核潜艇从hn岛sy基地出发再经过巴士海峡进入太平洋，那么美国海军将很难监控中国海军战略核潜艇的出航的踪迹。
一旦爆发世界性的核战争，中国甚至有能力在美西海岸发动核反击的能力。
陈新兴奋道：“钢镚，这玩意太逆天了，不行，一定要提价，你先准备好相关资料，到时候把部分样品给对方就行，我就不信军方不心动！！！对了，这玩意更换起来方便吗？寿命怎么样？”
一般像普通的消声瓦，难度最大的不是在于材料方面的制备，真正的难在于如何将消声瓦严丝合缝覆盖到潜艇的钢体表面。
按照陈新的了解，消声瓦通常要先用螺栓固定，再用填充物塞缝，然后又刷上一层涂料，工序非常繁杂。
钢镚道：“老豆放心好了，别忘了人造鲨皮的材料可是金属橡胶，和潜艇的钢体表面有很好的亲和性，很容易粘合在一起，而且不易脱落。另外，由于金属橡胶的导电性，到时候我们甚至可以通过电流在不同航行状态下控制人造鲨皮的状态，尽可能地降低航行阻力以及潜艇噪声。”
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