化学工程的多层次结构

Hierarchical structure of chemical engineering

进入21世纪前后,学界将化学工程看作一种复杂系统,企图在高层次组织化学工程的知识基础,为此不断在寻找易于进入化工复杂系统研究的切入点。文章从业已见到的颗粒群在流态变化时形成的不同几何结构以及由此而开拓的多尺度分析,来揣测化学工程的其他结构,特别是面对产量少、价值高的功能材料,企图建立化工复杂系统多层次结构的研究平台。除了基于时空多尺度的化工多层次结构外,作者认为还可以考虑基于科学内涵的历史多层次结构,以及基于人力和资金投入为尺度的运转多层次结构。

Around the turn of 21 century, scholars began to recognize chemical engineering as a complex system, and have been searching for a convenient point of entry for refreshing its knowledge base. From the study of the dynamic structures of dispersed particles in fluidization and the resulting multi-scale method, the findings has being attempted to extend to structures prevailing in other multiphase systems as well as in the burgeoning industries producing functional materials. Chemical engineering itself is hierarchically structured. Besides structures based on space and time, such hierarchy could be built from chemical engineering history scaled according to science content, or from chemical engineering operation according to the expenditure of manpower and capital investment.