固体火箭技术
固體火箭技術
고체화전기술
JOURNAL OF SOLID ROCKET TECHNOLOGY
2014年
3期
330-335
,共6页
刘英%李洁%胡建峰%刘绪博
劉英%李潔%鬍建峰%劉緒博
류영%리길%호건봉%류서박
稀薄环境%多相流动%颗粒相变
稀薄環境%多相流動%顆粒相變
희박배경%다상류동%과립상변
rarefied environment%multiphase flow%particle phase change
根据非平衡结晶动力学原理,在忽略结晶中间相态这一假设条件下,构建了颗粒相的相变模型。研究了相变模型对流场气相及颗粒相参数分布的影响,分析了相变模型对不同粒径颗粒的具体作用,并对流场在不同热适应系数下颗粒相的特性进行了描述和分析。通过与文献结果对比,验证了所提出的碰撞-聚合-分裂模型的正确性。
根據非平衡結晶動力學原理,在忽略結晶中間相態這一假設條件下,構建瞭顆粒相的相變模型。研究瞭相變模型對流場氣相及顆粒相參數分佈的影響,分析瞭相變模型對不同粒徑顆粒的具體作用,併對流場在不同熱適應繫數下顆粒相的特性進行瞭描述和分析。通過與文獻結果對比,驗證瞭所提齣的踫撞-聚閤-分裂模型的正確性。
근거비평형결정동역학원리,재홀략결정중간상태저일가설조건하,구건료과립상적상변모형。연구료상변모형대류장기상급과립상삼수분포적영향,분석료상변모형대불동립경과립적구체작용,병대류장재불동열괄응계수하과립상적특성진행료묘술화분석。통과여문헌결과대비,험증료소제출적팽당-취합-분렬모형적정학성。
Based on the non-equilibrium crystal dynamics principle,a particle phase transition model was constructed under the assumption of ignoring crystallized intermediate phase state.The effect of phase transition model on gas and particle phase parameter distribution was studied,and the specific role of phase transition model on different particle size was analyzed,and particle phase characteristics of the flow field under different thermal adaptation coefficient(Tac)was described.A comparison with the results from references shows that the collision-polymerization-splitting model is correct.