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二氧化碳在RP-3航空燃油中扩散系数实验

李超越 冯诗愚 邵垒 潘俊 刘卫华

李超越, 冯诗愚, 邵垒, 潘俊, 刘卫华. 二氧化碳在RP-3航空燃油中扩散系数实验[J]. 航空动力学报, 2017, 32(11): 2604-2608. doi: 10.13224/j.cnki.jasp.2017.11.006
引用本文: 李超越, 冯诗愚, 邵垒, 潘俊, 刘卫华. 二氧化碳在RP-3航空燃油中扩散系数实验[J]. 航空动力学报, 2017, 32(11): 2604-2608. doi: 10.13224/j.cnki.jasp.2017.11.006
Experiment on diffusion coefficient of carbon dioxide in RP-3 aviation fuel[J]. Journal of Aerospace Power, 2017, 32(11): 2604-2608. doi: 10.13224/j.cnki.jasp.2017.11.006
Citation: Experiment on diffusion coefficient of carbon dioxide in RP-3 aviation fuel[J]. Journal of Aerospace Power, 2017, 32(11): 2604-2608. doi: 10.13224/j.cnki.jasp.2017.11.006

二氧化碳在RP-3航空燃油中扩散系数实验

doi: 10.13224/j.cnki.jasp.2017.11.006
基金项目: 航空科学基金(20132852040); 中航工业技术创新基金基础研究类项目(2014D60931R);民用飞机专项科研项目([2016-37); 江苏省普通高校研究生科研创新计划项目(KYLX15_0213);江苏高校优势学科建设工程基金; 中央高校基本科研业务费专项资金

Experiment on diffusion coefficient of carbon dioxide in RP-3 aviation fuel

  • 摘要: 基于压力降落法原理,搭建扩散系数测试实验装置,测试了29815K时CO2在水中的扩散系数并与文献值比较,验证了实验系统的可靠性。实验测定了密闭容器中28315~33315K时CO2RP3燃油体系中的压力随时间的变化值。实验测量曲线与数值拟合曲线完全稳合,计算得出不同温度下气体在燃油中的扩散系数值为10-8m2/s数量级。由实验结果可知:气体扩散系数与温度之间符合化学反应阿伦尼乌斯定律,由此根据已有扩散系数值可建立CO2在RP3燃油中扩散系数预测模型。采用25315、26315K和27315K时3组实验数据来验证模型的准确性,结果显示实验数据符合预测模型方程,模型具有一定的外延性。

     

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出版历程
  • 收稿日期:  2016-04-23
  • 刊出日期:  2017-11-28

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