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燃油洗涤引射器充氮性能实验 被引量:3

Experiment on nitrogen-filling performance of fuel scrubbing ejector
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摘要 通过建立地面燃油洗涤模拟实验台,采用正交实验等手段来有效地减少实际实验次数,在此基础上,对燃油洗涤引射器展开了较为系统的理论分析与实验研究.结果表明,燃油洗涤引射器的面积比m、长径比L/D、喷嘴工作压力p是影响充氮性能的重要因素,但重要性主次有其相对性;得到一系列经验公式和优化值,且对按这些经验公式和优化值设计加工的燃油洗涤引射器进行了实验验证,结果证实其既能喷出足够小的微细气泡,以提高燃油洗涤效率,又满足油箱上部气层空间氧体积分数要求. The experimental and theoretical analysis was implemented on the basis of fuel scrubbing orthogonal tests for reducing experiment times.Results show that the nitrogen-filling performance of the scrubbing ejector is influenced by important factors of area ratio m,lenth to diameter ratio L/D,and nozzle pressure p.But their significance is relative.A series of experience formulae and good values is found out.The scrubbing ejector designed and manufactured on these formulae and values not only ejects very small nitrogen-enriched microbubbles to improve scrubbing efficiency,but also satisfies the oxygen concentration of ullage throughout.
出处 《航空动力学报》 EI CAS CSCD 北大核心 2010年第4期735-740,共6页 Journal of Aerospace Power
基金 航空科学基金(2007ZC52038) 中国航空工业集团公司成都飞机设计研究所航空科学基金
关键词 充氮性能 燃油洗涤引射器 正交试验 微细气泡 氧体积分数 飞机油箱 nitrogen-filling performance fuel scrubbing ejector orthogonal experiment microbubble oxygen concentration aircraft fuel tank
作者简介 刘小芳(1976-),男,福建三明人,讲师,博士生,主要从事油箱惰性化、污水处理、电子散热方面研究.
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参考文献12

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