CAJ | 학술논문

采用详细化学动力学机理,为AP/HIPB复合推进剂的燃烧建立了模型.该模型包含2个步骤:前一个是数据准备阶段,后一个是求解阶段.模型中包含了完整的固相、凝相和气相三相反应机理,其中气相反应机理由37个组分和127个反应步组成.为了提高模型的求解效率,用于评估化学反应的先进算法lSAT也被应用.最终,通过与试验结果的比较可看到,所建模型是可靠和精确的,并优于以往模型.
채용상세화학동역학궤리,위AP/HIPB복합추진제적연소건립료모형.해모형포함2개보취:전일개시수거준비계단,후일개시구해계단.모형중포함료완정적고상、응상화기상삼상반응궤리,기중기상반응궤이유37개조분화127개반응보조성.위료제고모형적구해효솔,용우평고화학반응적선진산법lSAT야피응용.최종,통과여시험결과적비교가간도,소건모형시가고화정학적,병우우이왕모형.
By using detailed chemical kinetics,a combustion model for ammonium perchlorate (AP)/hydroxyl-tenninatel Polybutadiene (HTPB) composite propellant was established.It consists of two steps:one is the preparation step and the other is the calculation step.Model includes reaction mechanism in solid,condensed and gas phase,among which reactions in gas phase are composed of 37 species and 127 reactions.Moreover in order to improve the efficiency,advanced numerical algorithm ISAT was employed.Through comparing with experimental data,the results obtained from model are proved to be more accurate than those of previous model.So the model established in this report is reliable and can be used for study of AP/HTPB oombustion.