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含能材料  2015 

五环[5.4.0.02,6.03,10.05,9]十一烷/航空煤油复配燃料性能

DOI: 10.11943/j.issn.1006-9941.2015.01.007

Keywords: 有机化学 五环[5.4.0.02,6.03,10.05,9]十一烷 航空煤油 复配燃料 超声速燃烧

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Abstract:

五环[5.4.0.02, 6.03, 10.05, 9]十一烷(PCU)是高能量密度笼状碳氢化合物中极有应用潜力的一种化合物, 制备的PCU燃烧热值为44.5 MJ·kg-1, 撞击感度H50大于50 cm, I 50大于49 J, 摩擦感度为0, 为一类钝感的高能量密度碳氢燃料, 将PCU作为高能添加剂和航空煤油RP-3进行二元复配, 复配燃料的理化性能研究结果表明: 25 ℃时PCU在航空煤油RP-3中的饱和溶液质量分数为44.6%, 当复配燃料中PCU质量分数为25%时, 复配燃料的密度较航空煤油RP-3提高7.8%, 燃烧热值提高9.5%, 复配燃料的闪点从48℃增至49℃, 冰点从-59 ℃降至-62 ℃。-40 ℃时复配燃料的粘度在6.99~13.64 mm2·s-1之间。在直连式超声速燃烧实验平台上, 含10%PCU的复配燃料能进行顺利点火及稳定燃烧, PCU使航空煤油RP-3的超声速燃烧压强从327 kPa上升至339 kPa

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