针对某支板火焰稳定结构数值研究了二维超音速流动和燃烧规律,提出不同燃料供给方案,比较了采用全氢气、全甲烷和不同比例的混合燃气等情况下的燃烧性能.结果表明:单一燃料时,氢气超燃性能很好,但会出现热量雍塞,而甲烷无法燃烧,两种混合燃料方案均在燃烧室内出现了稳定的火焰,但氧气消耗率不理想,基于上述结论给出了一些提高超燃性能的改进措施.
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