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C2H2-O2-Ar混合气体爆轰特征参数研究

DOI: 10.11858/gywlxb.2013.02.017, PP. 287-291

Keywords: 临界起爆能量,临界管径,胞格尺寸,爆炸长度,诱导区长度

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Abstract:

通过实验对C2H2-O2-Ar混合气体的临界起爆能量和爆轰临界管径进行测量,基于临界起爆能量计算爆炸长度,分析爆炸长度与爆轰胞格尺寸及临界管径之间的规律,并对各种物质临界起爆能量与诱导区长度的关系进行了研究。结果表明:C2H2-O2混合气体,其爆炸长度与胞格尺寸之间的关系为R0=26λ,加入50%和70%氩气稀释的混合物,两者的关系分别为R0=37.3λ和R0=54.8λ;C2H2-O2-Ar混合气体爆炸长度与爆轰临界管径之间的关系为R0=2DC;对于70%浓度氩气稀释的C2H2-O2混合气体,其爆轰波具有稳定的一维ZND结构,临界起爆能量正比于诱导区长度的3次方。

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