中文摘要：

大型复杂成套装备是国家的战略产业,是许多重大工程建设的基础。大型复杂成套装备建模与设计基础理论与关键共性技术研究是提高我国成套装备及关键机组自主设计制造能力的关键。本研究以复杂空气分离成套装备为例,分析了复杂成套装备超大型与低能耗的发展趋势,凝练了复杂成套装备建模与设计需要解决的关键科学问题,阐述了大型成套装备中动力学非线性耦合建模技术、复杂工况多机组多变量关联设计技术、多机组同步稳定与寿命均衡设计技术、关键部机高强度大构件保质设计技术、大型成套装备性能实验仿真与集成等共性关键技术,最后给出了提升我国大型复杂成套装备设计基础理论与关键共性技术的解决方案。

英文摘要：

The research of this paper clarified the affection of super-large complex air separation equipment large-scale mixed flow to the mechanism of gas heat and mass transfer,revealed the poly-phase fluid unsteady flow alternating mechanism and energy migration law in equipment,illuminated dynamics nonlinear coupling mechanism of large equipment under complicated conditions,established the equipment inter-set multi-variable multi-parameter performance analysis and process design theory,uncovered air separation equipment key set and unit high reliability and long duration mechanism,proposed key set and unit large-scale structure life balance design and quality-ensured manufacturing method,thus providing the scientific basis for next generation air separation equipment theoretical breakthrough.