推进技术 ›› 1999, Vol. 20 ›› Issue (6): 96-99.

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复合推进剂线粘弹本构方程的细观力学分析(Ⅰ)球形颗粒增强效应分析

彭威,任均国,周建平   

  1. 国防科技大学航天技术系!长沙;410073;国防科技大学航天技术系!长沙;410073;国防科技大学航天技术系!长沙;410073
  • 发布日期:2021-08-15
  • 基金资助:
    国家自然科学基金资助项目;国家教委优秀青年教师基金资助项目

MICROMECHANICS ANALYSIS ON THE VISCOELASTICS CONSTITUTIVE LAW OF COMPOSITE SOILD PROPELLENT (Ⅰ)REINFORCEMENT EFFECT OF BALL PARTICULATES

  1. Dept of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073;Dept of Aerospace Technology,National Univ.of Defence Technology,Changsha,410073
  • Published:2021-08-15

摘要: 从基体和微粒本构关系出发, 应用Eshelby 等效夹杂理论及宏观平均理论的分析方法, 确定复合体的本构关系, 从细观层次揭示弹性微粒对粘弹基体的增强效应。

关键词: 复合推进剂;微观力学;粘弹性力学;本构方程

Abstract: According to Eshelby′s micromechanics theory,a viscoelastic constitutive relation was obtained for composite soild propellent from constitutive law of the matrix and particle.The results show that the particles have reinforced effects to matrices in microlevel

Key words: Composite propellent;Micromechanics;Viscoelastic mechanics;Constitutive equation