RP-3航空煤油低温氧化特性的试验与数值计算

刘靖; 胡二江; 黄佐华; 曾文

doi:10.13224/j.cnki.jasp.20210074

RP-3航空煤油低温氧化特性的试验与数值计算

doi: 10.13224/j.cnki.jasp.20210074

刘靖¹,
胡二江^1, ,,
黄佐华¹,
曾文²

1.
西安交通大学能源与动力工程学院动力工程多相流国家重点实验室，西安 710049
2.
沈阳航空航天大学航空发动机学院辽宁省航空推进系统先进测试技术重点实验室，沈阳 110136

基金项目: 国家自然科学基金（91641124）

详细信息

作者简介:
刘靖（1995-），女，博士生，主要从事碳氢燃料基础燃烧特性研究。

通讯作者:
胡二江（1983-），男，教授，博士，主要从事航空发动机点火和燃烧调控研究。E-mail：hujjiang@mail.xjtu.edu.cn

中图分类号: V231.2;TK401
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- 被引次数: 0
出版历程
- 收稿日期: 2021-02-18
- 刊出日期: 2022-01-28

Experiment and numerical calculation on low-temperature oxidation characteristics of RP-3 aviation kerosene

1.
State Key Laboratory of Multiphase Flow in Power Engineering，School of Energy and Power Engineering， Xi'an Jiaotong University，Xi'an 710049，China
2.
Key Laboratory of Advanced Measurement and Test Technique for Aviation Propulsion System，Liaoning Province，School of Aero-engine， Shenyang Aerospace University，Shenyang 110136，China

摘要

摘要: 在射流搅拌反应器（JSR）中对压力为0.1 MPa、温度范围为550~1 100 K、当量比分别为0.5与1.0、滞留时间为2 s的工况条件下RP-3航空煤油及由正癸烷（摩尔分数为0.14）/正十二烷（0.1）/异十六烷（0.3）/甲基环己烷（0.36）/甲苯（0.1）组成的模型燃料的低温氧化过程进行了试验测试。同时，通过耦合基于反应类的全局敏感性分析方法、解耦法和遗传算法，构建了该模型燃料的简化反应动力学机理（181个组分和872个反应），并对模型燃料的低温氧化特性进行了数值计算。结果表明：模型燃料低温氧化过程中主要组分摩尔分数随温度的变化趋势与RP-3航空煤油吻合较好；构建的RP-3航空煤油模型燃料的简化反应机理可以较好地预测该模型燃料低温氧化过程中主要组分摩尔分数随温度变化的整体趋势，但在部分组分摩尔分数峰值及负温度系数（NTC）效应预测上尚存在偏差。
- RP-3航空煤油 /
- 模型燃料 /
- 低温氧化 /
- 简化反应机理 /
- 射流搅拌器（JSR）
Abstract: The low-temperature oxidation of RP-3 aviation kerosene and its surrogate fuel （n-decane （mole fraction of 0.14）/n-dodecane （0.1）/iso-cetane （0.3）/methylcyclohexane（0.36）/toluene （0.1）），were experimentally tested in a jet stirring reactor （JSR） at the conditions of the pressure of 0.1 MPa，the temperature range of 550-1 100 K，the equivalence ratios of 0.5 and 1.0，and the residence time of 2 s.Meanwhile，through the reaction class-based global sensitivity analysis，decoupling methodology and multi-objective genetic algorithm，the reduced reaction kinetic mechanism of the surrogate fuel （including 181 species and 872 reactions） was established，and the low- temperature oxidation characteristics of the surrogate fuel were simulated.The results showed that the temperature-dependent trends of the mole fractions of main species in the low-temperature oxidation process of the surrogate fuel were in good agreement with RP-3 aviation kerosene.The reduced reaction mechanism of the surrogate fuel for RP-3 aviation kerosene had a good prediction of the temperature-dependent trends of the mole fractions of main species during the low-temperature oxidation of the surrogate fuel.However，there were still some deviations in the prediction of the peak mole fractions and negative temperature coefficient （NTC） effect of some species.
- RP-3 aviation kerosene /
- surrogate fuel /
- low-temperature oxidation /
- reduced reaction mechanism /
- jet stirring reactor（JSR）

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