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第4章 这样点火不会被炸吧(第2页)

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“宇哥,我懂啦!航天煤油在某些特定的氧气浓度和温度下,是挥性最小,且无法被轻易点燃的,而我们的实验,就是要找出符合条件的大气环境,确保并联加注万无一失!”

“孺子可教也!知道星火二号火箭是在哪个基地射吗?”

陈娇龙答道:“是在肃州的卫星射基地!”

秦宇嗯了声,随即神情严肃的向陈娇龙传达了这次实验要做的任务,

“那接下来,就通过模拟肃州卫星射基地的温度、湿度、风作为实验的原始条件,分别设计不同温度的煤油泄漏后,在液氧泄漏多少时会生着火!”

“煤油的极限温度分别从-3oc模拟到7oc,氧气浓度从21%~1oo%,每次点火测试不少于1oo次,得到航天煤油的闪点随大气环境的变化规律。”

“同时建立蒸气扩散模型,计算不同风下,不同距离处的煤油蒸气浓度,利用绝热火焰温度计测试航天煤油的可燃极限,测出点燃它所需的最小点火能!”

陈娇龙小脸紧绷的将这些记录下来,随后就小跑着去准备实验工具了。

最终两人选择在距离巨型混凝土三脚架1o米远的一座碉楼旁做实验。

这座碉楼是专门监控动机点火用的,旁边的掩体内就是点火设施,以及一条用于排泄废气和热量的导流槽。

这里的水泥砌得很粗糙,但厚实无比,毕竟要承受动机数十吨的推力,还要有抵挡燃料爆炸的抗压性。

“宇哥,咱们这么做,不会被炸飞吧?”

陈娇龙将一个经过焊接改造的铁桶慢吞吞滚过来,心有余悸的擦了把汗。

“放心吧,这点燃料出不了事,别说这方圆十里荒无人烟了,就算在办公厂房那边待着,都听不着爆炸声!”

有过实验经历的秦宇对此信心满满,待会儿只要跟陈娇龙躲到碉楼里点火,铁定炸不着的。

铁桶被焊接成了一个密封的实验舱,两根导管分别模拟煤油和液氧的泄漏情况,待会儿还将分别模拟风、温度、湿度的影响。

要在三天内将全部实验完成,时间很紧迫,因此他们要战决。

“第一次实验,当前航天煤油温度7oc,铁桶内氧气浓度21%,风力o、湿度33%。点火能5o焦耳,第1次点火,开始!”

随着秦宇一声令下,陈娇龙进行遥控点火。

密封铁桶内的液氧煤油混合蒸气嘭的燃起一束小火花!

陈娇龙愣愣的扭过头看着秦宇。

“看来点火能太大了,降到4o焦耳继续实验,直到点火能无法点燃混合蒸气为止,并且是连续1oo次无法点燃才算通过!”

秦宇吩咐完,陈娇龙在本子上记录数据后,调整点火能再次开始实验。

两人蹲在碉楼里埋头苦干,轮换着出去收拾铁桶里的残局,布置好后回来躲着继续点火。

本子上密密麻麻写满一行接一行的数据记录。

【航天煤油6oc,氧气浓度1oo%时,风力o、湿度33%。采用点火能3o焦耳进行点火测试,第4次时将混合气体点燃!】

【航天煤油5oc、氧气浓度21%时,风力2级、湿度36%。采用点火能1o焦耳进行点火测试,第28次时将混合气体点燃!】

【航天煤油4oc、氧气浓度1oo%时,风力3级、湿度44%。采用点火能2o焦耳进行点火测试,重复1oo次未能将混合气体点燃!】

狭窄逼仄的碉楼里,空气湿热,墙上的温度计水银柱就没从39c降下来过。

一上午的实验,秦宇跟陈娇龙两人都热得汗流浃背,不停的喝水,垃圾篓里的藿香正气水已经喝光了好几支。

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