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爆舟 におけるマ ジ ・.Jクナ ンバー の評価 について 松為宏幸',越 光男書

簡単なモデルにより蕨水素系の爆曲限界を計昇 した結果,直接起爆条件は自由壁の爆典 に対応する限界爆確直径 と良 く一致することが見出された。更に故細な爆喪のセル構造は 球面衝撃波を伴 う燦赫限界 と良い対応を示 している。 これらのことから爆轟限界における セル構造の数が約1

3

である理由は徴視的な球面衝撃波を伴 う局所的爆発が準定常的に くり 返 し発生可能な限界 と巨視的な平面波で近似される爆轟波の定常な伝播限界における両者 のスケール効果を反彫 していると解釈できる。

('〒

1 1 3 東京都文京区本 務 7‑ 3‑ 1 東京大学工学部反応化学科)

‑3 0 8‑ 工業火薬

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