CAJ | 학술논문

在氢氧加热脉冲风洞上,对超音速燃烧室在进口2Ma、总温960～1 420 K条件下的碳氢燃料的点火和火焰稳定进行了实验研究.在直连式超音速燃烧室实验中,通过采用火花塞+氢先锋火焰、火花塞+乙烯先锋火焰的方法实现了煤油燃料的点火和火焰稳定.研究结果显示,当采用氢作为先锋火焰时,利用火花塞能够在燃烧室进口总温960 K条件下实现煤油的点火和火焰稳定;当采用乙烯作为先锋火焰时,利用火花塞,实现没有点火和火焰稳定的最低温度为1 420 K.
재경양가열맥충풍동상,대초음속연소실재진구2Ma、총온960～1 420 K조건하적탄경연료적점화화화염은정진행료실험연구.재직련식초음속연소실실험중,통과채용화화새+경선봉화염、화화새+을희선봉화염적방법실현료매유연료적점화화화염은정.연구결과현시,당채용경작위선봉화염시,이용화화새능구재연소실진구총온960 K조건하실현매유적점화화화염은정;당채용을희작위선봉화염시,이용화화새,실현몰유점화화화염은정적최저온도위1 420 K.
Ignition and flame stabilization of hydrocarbon-fuel in supersonic scramjet combustor was investigated by means of impulse hydrogen/oxygen combustion wind tunnel under Mach number 2, total temperature 960～1 420 K condition. The spark plug with pilot hydrogen, spark plug with pilot ethylene kerosene was adopted in the direct-connect experiment to realize ignition and flame stabilization of kerosene. The experimental results indicate that kerosene can be ignited with pilot-hydrogen at entrance temperature of 960 K or pilot-ethylene at entrance temperature of 1 420 K.