搜索 - 科创网

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内容：可以发现这台发动机的头部结构异常的简单，全体单元采用钎焊的链接方式，燃料集液腔的受力由氧化剂喷嘴承受并分担到外壳。,我上面有说过，见红色字体）燃料的喷注由于流量限制仍然只能使用直流式喷嘴。,橙色是出口的伞状液膜；推力室的压力分布喷管流场分析，用来分析喷管设计是否合理，是否能够正常工作喷管流场局部放大图，从中可以到激波较为均匀的发散出去，但是沿壁流体在喷管出口有略微扩张的现象已经定稿的氧化剂喷嘴和燃料喷嘴结构图,（摘自百科）这是油管上一位叫Jared Brewer的up做的冷流测试视频截图，其中中间的燃料喷嘴是一个商业化的离心式喷注器。,喷注器分布为同心圆式分布，可见中间较大一圈的氧化剂喷嘴，和外圆的燃料喷嘴，这样设计是为了让壁面附近生产富燃燃气，防止过热燃气对烧蚀层的直接烧蚀。

内容：但是，自2006年开设火箭版以来，在业余火箭的方面的活动大多以仿制和较低层次的经验制作为主，先后报道了三百多次火箭发射，以理论设计为依据的不到10%，没有成功发射的液体燃料火箭。,3、探空火箭的基本技术指标（1）飞行高度是1千米、10千米还是100千米；（2）采用什么方式、什么燃料。,（3）达到什么样的技术水平，包括燃料、发动机、喷管、载荷种类及质量等方面。 ,（2）燃料和发动机组根据总体方案确定发动机形式并选用燃料。,研究燃料的内弹道特性，提出可行的工艺方案；设计火箭发动机的机械结构，提出工艺要求和技术性能指标；提出点火方案；制定发动机测试的方案和性能判定标准。

内容：首先讲讲一直在试着做RNX，一直在失败…之前一直好高骛远，总想着做什么高流动性RNX，加硫RNX，加MgRNX，等等…结果无疑就是喘燃，负氧…失败总之，RNX也算是元老燃料了，该探索的前辈们都探索过了，,我自己已经试过GCC137，593，T31等世面上比较多的固化剂，但是做出来能真正装机称得上“燃料”的只有T31做出来的RNX。,燃料配比就是最经典的：KNO3：70％Fe2O3：8％环氧树脂组（E44+T31）：22％打粉后的KN和氧化铁混合物然后就混合，充分混合…冬天千万别玩RNX！

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