第八百五十七章 可变循环冲压发动机(加更二)
最新网址:m.ltxsdz.com
不过,这其中的关键,当然还是这种可变循环冲压发动机!
如果发动机的某些结构可以变形,使它能够分别以涡扇、涡喷、冲压等不同的发动机形式工作,那么他就称为变循环发动机。龙腾小说网ltxsba.com这种发动机在正常情况下是一台低涵道比的“涡扇发动机”或带有外涵道的“涡喷发动机”。只有这样才能够满足于飞机起飞时的推力需求,而随着速度的提高,涡扇的前风扇会停止运作并调整到阻力最低的情况并关闭外涵道,变成一台涡喷发动机。速度高了之后,涡扇发动机的阻力很大,涡喷的优势就明显了。而速度再提高时涡喷发动机的进气也会关闭并启动外涵道,并在外涵道的末端点火,变成“冲压发动机”。
这样,单一一台发动机就可以拥有三种发动机:“涡喷发动机”、“涡扇发动机”和“冲压发动机”的性能优势,适应从低速飞行到高超音速的各种情况。
到目前为止,唯一投入实用的,就只有黑鸟使用的j58发动机是这种发动机,具有了杰出的性能优势。但是,这种发动机是非常复杂的,同时成本也高昂。
而苏联想要具有超高音速的飞行器,可变循环冲压发动机,那是必须要突破的方面!同时,苏联更变态的就是,使用液氢作为燃料,这种发动机具有更好的性能。
可惜,这种发动机可不是那么容易攻克技术难关的。
“我们刚刚出状况的,就是这台可变循环冲压发动机,在我们的高空试飞平台上,这台发动机无法自由地实现转换,屡次出现失误。”谢尔盖说道。
试飞院除了承担实验整机之外,同时也承担对发动机的试飞任务,就在高空试飞平台上,这台发动机故障不断。
安德烈点点头,这种先进的发动机的研制,当然是不可能一帆风顺的,哪怕是技术实力雄厚的苏联也是如此。
“我们苏联的天空,离不开我们的辛勤的技术人员,按照科学规律办事,一定能够找到缺陷,完善我们的发动机的。”安德烈鼓励道。
“是的,我相信我们的新式侦察机能够试制成功,同时,我们还有改装成轰炸机,以及更新的发展计划。”谢尔盖说道:“只要这种可变循环发动机试制成功,下一阶段,我们将在这种飞机的基础上,试制新的空天飞机,通过携带液氧,达到在外太空使用的目标。”
空天发动机…好吧,这个理想是很美好的,安德烈毕竟不是管理装备部的,所以,对于这些计划方向,安德烈也没有理由阻拦。
突然,安德烈一拍自己的脑袋:“对了,我们是来看苏霍伊设计局的最新战斗机的。”
一来之后,就被超音速客机给吸引住了,又被忽悠到了这里来,到现在为止,还没有看到这次来的目标,那架已经开始试飞的新一代战机呢!
“这个,当然可以,请随我过来。”谢尔盖说道:“现在,正好美国人的侦查卫星飞离了我们上空,我们可以进行下一次的试飞了。”
…………
就在北半球冰天雪地的时候,南半球,正好处于温暖的夏季。
北半球的陆地比较多,而南半球的海水很多,陆地主要就是非洲和南美。
而在非洲,大多数都是黑人的国度。这里贫穷,落后,同时战乱不断。
但是,就在这样的一个世界里,却有一个独特的国家,这个国家在整个非洲的第三世界里,唯一的一个发达国家!
这个国家,就是南非!
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