| 摘要: |
| 液态碳氢燃料点火、稳焰技术是超燃冲压发动机的关键技术之一,是发动机获得推力性能的先决条件。采用直连试验手段,对支板凹槽组合稳焰技术进行了研究,比较了不同燃料喷注方式和不同支板凹槽组合方式对点火、稳定燃烧的影响。结果表明支板喷射与支板凹槽组合稳焰的燃烧组织方式,可以实现在低飞行马赫数范围(Ma0=4～5)液体碳氢燃料的可靠点火与稳定燃烧,并获得较好的燃烧性能。 |
| 关键词: 超燃冲压发动机 支板 凹槽 稳定燃烧 |
| DOI： |
| 分类号:V235.213 |
| 基金项目: |
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| Experimental investigation of strut-cavity flameholder technology in liquid hydrocarbon fueled scramjet combustor |
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GANG Qiang, ZHOU Le-yi, QIN Zheng, MA Xue-song, GUO Jin-xin
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Science and Technology on Scramjet Lab.,The 31st Research Inst. of CASIC,Beijing 100074,China
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| Abstract: |
| The basic of scramjet propulsion,steady combustion is one of the key technologies in liquid hydrocarbon fueled scramjet.Experimental investigations on the flame stability were conducted using direct-connected test model combustor.Various fuel injection modes and strut-cavity flameholder schemes were investigated in the test.Results showed that the kerosene was ignited successfully and stable combustion was sustained at low flight Mach number(Ma0=4~5) conditions. |
| Key words: Scramjet Strut Cavity Flame stability |
