極超音速飛行体が維持する斜めチャップマン－ジュゲデトネーション波の研究

概要

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Five-mm-diameter projectiles, whose speed was beyond the Chapman-Jouguet (C-J) detonation speed,were fired into mixtures containing stoichiometric hydrogen-oxygen gases plus argon diluents. Theflowfield around the projectile was visualized using a CCD cameta. We measured the minimum normalvelocity components of detonation waves around the projectiles and the curvature radius of a bowdetonation wave near the projectile tip. From these experimental results we concluded that the steady-stateC-J detonation wave is stabiljzed around a projectile when the curvature radius of a bow detonation wavenear the projectile is larger than 8.6 times of the detonation cell size (transverse wave spacing).
室蘭工業大学の論文