第九十六章 试车
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钢镚将金属材料吸收地差不多之后,cāo作台上的这滩液体面积也扩大了不少,不过始终没有溢出cāo作台。
很快,这些液体活动起来,开始渐渐聚拢起来,中间部分出现了一个圆盘状的轮廓,接着,这个轮廓渐渐清晰,外围出现了叶片的形状。
这一段基本上就是金属合金的定向重结晶过程,原子间金属键不断被打破重组,形成极为稳固的晶体结构,在钢镚的有效干预下,基本上消除了对空洞和裂纹敏感的横向晶界,将金属合金最完美的形态展露出来。
几乎不到五分钟的时间,F119的发动机涡轮盘制造完毕,待到涡轮部件全部成型后,钢镚将剩余的液态金属全部吸收,当食物消化掉。
这时,出现在cāo作台上的是一只可以称得上是艺术品涡轮部件,表面泛着银亮的光泽,所有叶片都均匀地分布在四周,陈新用手触摸的时候,表面光滑严整,感觉不到任何的毛糙。
陈新将这只涡轮盘放到一边,然后让钢镚继续制造下一个部件。
F119发动机主要由3级风扇、6级高压压气机、带气动喷嘴、浮壁式火焰筒的环形燃烧室、单级高压涡轮、高压涡轮转向相反的单级低压涡轮、加力燃烧室与二维矢量喷管等组成。
钢镚将整台发动机分为了风扇、核心机、低压涡轮、加力燃烧室、尾喷管和附件传动机匣等6个单元体,另外还有附件、FADEC(全权限数字电子控制器)及发动机监测系统,按照组装的先后顺序逐步制造。
由于零部件数量众多,陈新根本记不过来,只能让钢镚先把一些核心的大件制作出来,然后再一边制造较小的零部件,一边慢慢组装。
整整两天时间,除了吃饭睡觉,陈新一直在不停地组装着F119,幸好有了“小蝴蝶”的帮助,他才撑的下来。钢镚同样是不眠不休,两人都可以说是投入了全部的jīng力和注意力,终于在第二天晚上八将第一台F119发动机组装完毕。
当最后一个零件安装上去之后,陈新有些目眩地看着眼前这一台杰出的手工作品,只感觉这两天两夜的辛劳完全值了。
估计谁都不会想到,2011年6月的某个夜晚,居然有人在一个作坊式的仓库内,制造出了世界上最为先进的航空发动机。
陈新先测量了一下山寨版F119的外形数据,其中最大直径1.13米,长度4.826米,和原型机基本一样,不过测重的时候陈新发现重量居然比原版降低了将近100公斤,只有1360千克。
陈新惊讶道:“钢镚,这怎么回事?重量怎么不一样?”
钢镚从一旁堆放的镍板上切下一小块放在口里嚼着,满不在乎道:“老豆,你这是看不起钢镚吗?不就是减重一百公斤吗?放心,xìng能上不会有任何下降的,说不定还会有提升。”
陈新飞快地心算了一下,美版F119发动机加力推力155.7千牛,重量1460千克,推重比为10.88,如果重量下降100千克,推力保持不变的话,那么推重比将达到惊人的11.68。
要知道发动机的推重比是这款发动机的核心数据,对一款战斗机来说极为重要。
一般而言,第三代战斗机所使用的发动机,比如老美的F110系列、AL31F系列、中国的“太行”等,基本上推重比都在8左右,而推重比达到10这一级别的发动机,则通常用于第四代战斗机,目前仅有老美的F22猛禽所装备的F119系列以及F35所装备的F135这两款发动机。
至于欧洲的双风(台风战斗机、阵风战斗机),他们所使用的EJ-200以及M88中等推力发动机的推重比也只有8.5左右。
所以说如果中国的歼20装备上一台推重比为11.68的发动机,完全可以将美帝的F22打爆。
陈新和钢镚合作将F119发动机吊装到试车台上,然后打开仓库大门,等钢镚搜索完报告周围一公里范围内没有其他人之后,陈新便挥手道:“钢镚,准备试车!”
PS:扣扣群:130874781,欢迎大家加入讨论。
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