正文 第1532章 路线之争(争四)(第1页/共2页)
宋文华在打什么主意,谭二心里实在太清楚了,不过么,他对此有自己的安排和计划——且不说雅科夫列夫设计局那边肯不肯给东西,就此时的华夏而言,单单消化吸收这一批搞回来的好东西就需要投入极大的人力物力,以华夏当前的资源和人才储备现状,贸然再开一条新战线,时机恐怕是不太合适的。
于是谭振华只好假装没看见老师投来的目光,顺着吴达观的话题就接了下去:“张总工,你也别太担心进度比较问题,其实呢,你也不用太高看这台R-79,这型发动机其实是当初图曼斯基设计局与留里卡设计局的AL41F竞争米格1.44战机引擎失败的产物,我已经看过这型发动机的基本参数了,它的推力是能达到15.5吨,只不过,是付出了极大的代价才得到的,其推重比只有5.64,这个数据连米国第三代航发7以上的推重比数据都达不到,而且它的涡轮前温度只有1620K,距离目前米国先进航发1800K以上涡轮前温度的水平差距很远,以我有限的航发知识来看的话,R-79的参考意义远大于工程实际意义。”
“那它的核心机空气流量多少?”
“每秒138公斤。”吴达观答道。
张恩河迅速心算了一番后,不由得暗自叹了口气,他现在负责的“涡扇10”,其核心机大量借鉴了民用航空发动机经典型号CFM56的技术,而CFM56的核心机来源于米国通用公司的军用发动机F101,这型核心机的空气流量为每秒120公斤,根据航发的基本原理,核心机的空气流量越大,其他条件相同时,推力也就越大——换句话说,R-79一旦研制成功,其推力肯定将大于“涡扇10”!
有了更有前景的发展方向,对手又是个钱多到不知该如何形容的家伙,那国家会不会……
吴达观从张恩河的脸上看出了一点端倪,不由得微笑道:“小张啊,你也不用担心,张部长人就在此,关于这件事,我和他详细讨论过,“涡扇10”这个项目,不会停也不能停,而且不但不会停,部里面还决定加大投入力度,争取尽可能快地搞出来。而谭博士这边呢?我们打算这次走完全正向研发的路子,R-79只是一个借鉴和参考,目标是将推重比做到9,甚至突破10一级,这样面临的困难和考验更多,再说了,我们都知道,对航发来说,材料和加工工艺是我们无法逾越的一个大难关,这些最基础的研究成果,无论是对你的“涡扇10”,还是对谭博士的新发,提供的帮助都是一样的,公开的,不过呢,老宋的“歼十”已经开始着手制造首架样机,现在虽然定下了要用罗刹的“AL-31F”作为首飞动力,但目标发动机还是你的“涡扇10”,我们空军未来的主力战机,当然不可能一直用国外的发动机,你可要加油了。”
一席话说的半轻半重,有鼓励也有压力,这也就是吴达观了,除了他,在华夏的航发界,够资格这么对张恩河说话的,还能找出几个?
知道项目无恙的张恩河,心中算是放下了一半的心事——他这也是被前些年那种项目轻率地上马下马的决策方式给折腾怕了,你想想,自己穷尽心力搞的课题,上面一拍脑壳,说停就给你停了,这搁谁能受得了?
而且带着这种心思搞科研,难免会三心二意不是?
不过吴达观最后那几句明着鼓励暗着鞭策的话还是让他涨红了脸,嗫嚅着就想要说几句叙功兼表决心的话,却被张部长抢先开口道:“航空发动机的研制需要静下心来循序渐进,张总工也不要给自己太大的压力,好饭不怕晚,“歼
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