建立了粒状药与管状药组成的混合装药的多相流内弹道理论模型，编制工程实用的软件系统。
The multi phase flow interior ballistic model for grain and stick propellants are established, a practical engineering software system is completed.
该文根据开槽管状药的装药结构特点，建立两相流内弹道理论模型。
According to the characteristics of charge structure with slotted stick-propellant bundles, two-phase flow interior ballistic models are established in this paper.
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