航空煤油单组分替代燃料DDT过程数值模拟

HUANG Xiqiao,WANG Dingding, XIAO Zhiyi, YU Zheyi

Journal of Northwestern Polytechnical University(2022)

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Abstract
针对航空煤油的爆震燃烧时DDT过程数值模拟难度大的问题,确定了 一种航空煤油单组分简化机理进行DDT爆震过程的数值模拟.通过简化正癸烷详细机理得到RP-3航空煤油单组分替代燃料简化机理,并对航空煤油DDT过程进行了数值模拟,分析了障碍物阻塞比和排列方式对DDT过程的影响规律.结果表明,该单组分替代燃料简化机理模型能在高温高压情况下较好地拟合航空煤油的燃烧特性.对DDT过程的数值模拟结果进行分析,发现DDT时间会随着阻塞比增大而增大;在相同阻塞比时,障碍物交错排列的情况DDT时间更短.
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Key words
aviation kerosene,ddt process,numerical simulation,alternative fuel,one-component
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