JSME International Journal Series B Fluids and Thermal Engineering
Online ISSN : 1347-5371
Print ISSN : 1340-8054
ISSN-L : 1340-8054
Experimental Studies on Supersonic Combustion Phenomena of CO-O2-H2 Premixed Gases around Hypersonic Projectiles
Takahiro HORIIJiro KASAHARATakuma ENDOToshi FUJIWARA
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1998 Volume 41 Issue 2 Pages 316-321

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Abstract

Hypersonic projectiles were fired into CO-O2 and CO-O2-H2 gas mixtures. For observation of combustion phenomena around the projectiles, we employed a high-speed framing schlieren technique. When we used CO-O2 mixtures as combustible gases, no shock-induced combustion was observed. However, addition of a small amount of H2 into the CO-O2 mixtures enabled combustion. We experimentally investigated the dependence of combustion phenomena on the molar fraction of H2 in the CO-O2-H2 gas mixtures. The high-speed framing schlieren technique made it possible to observe and discuss unsteady shock-induced combustion phenomena.

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© The Japan Society of Mechanical Engineers
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