RP-3航空煤油模拟替代燃料燃烧特性的实验  

Experiment on combustion characteristics of surrogate fuel for RP-3 aviation kerosene

作　　者：刘靖 胡二江[1] 黄佐华[1] 曾文[2] LIU Jing;HU Erjiang;HUANG Zuohua;ZEGN Wen(State Key Laboratory of Multiphase Flow in Power Engineering,School of Energy and Power Engineering,Xi'an Jiaotong University,Xi'an 710049,China;Key Laboratory of Advanced Measurement and Test Technology for Aircraft Propulsion System,Liaoning Province,Shenyang Aerospace University,Shenyang 110136,China)

机构地区：[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]沈阳航空航天大学辽宁省航空推进系统先进测试技术重点实验室,沈阳110136

出　　处：《航空动力学报》2019年第12期2677-2685,共9页Journal of Aerospace Power

基　　金：国家自然科学基金（51676132)

摘　　要：在定容弹中实验测试了初始压力分别为0.1、0.3MPa、初始温度分别为390、400、420K、当量比范围为0.8~1.5时RP-3航空煤油模拟替代燃料的层流燃烧特性,并对比分析了模拟替代燃料与RP-3航空煤油的层流燃烧速率。结果表明,模拟替代燃料层流燃烧火焰的马克斯坦长度随初始压力或当量比的降低逐渐增大,表明火焰稳定性逐步增强;初始温度对火焰稳定性的影响不明显;随初始温度的升高或初始压力的降低,模拟替代燃料的层流燃烧速率逐渐升高;随着当量比的逐渐增大,模拟替代燃料的层流燃烧速率先增大后降低,在当量比为1.2时达到最大;在相同工况下,模拟替代燃料与RP-3航空煤油的层流燃烧速率吻合较好。The laminar combustion characteristics of surrogate fuel for RP-3 aviation kerosene were investigated experimentally in a constant volume bomb.The experiments were performed at initial pressures of 0.1,0.3MPa,initial temperatures of 390,400,420K,and over the equivalence ratio range of 0.8—1.5.Furthermore,the laminar combustion velocities of the surrogate fuel and RP-3 aviation kerosene were contrastively analyzed.Results showed that decreasing the initial pressure or equivalence ratio increased the stability of the flame front,which was established by increased Markstein length.The effect of the initial temperature on the Markstein length was not clear.Increasing the initial temperature or de-creasing the initial pressure led to an increase in the laminar combustion velocity of the surrogate fuel.With the increase of equivalence ratio,the laminar combustion velocity illustrated an increase initially and then decreased gradually,and the highest value was measured at the equivalence ratio was 1.2.Furthermore,the laminar combustion velocity of the surrogate fuel agreed well with that of RP-3 aviation kerosene under the same conditions.

关 键 词：RP-3航空煤油 模拟替代燃料 层流燃烧速率 马克斯坦长度 影响因素 

分 类 号：V231.2[航空宇航科学与技术—航空宇航推进理论与工程] TK401[动力工程及工程热物理—动力机械及工程]