Morphological modeling and simulation of crystallization processes

形态建模和结晶过程模拟

• 批准号: 238696028
• 负责人: Professor Dr.-Ing. Heiko Briesen
• 金额: --
• 依托单位: Lehrstuhl für Systemverfahrenstechnik
• 依托单位国家: 德国
• 项目类别: Priority Programmes
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2018-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/238696028?language=en
• 关键词: Morphological; modeling; simulation; crystallization; processes

Shape is an important property that influences physical characteristics and downstream processing of both crystalline and non-crystalline particles. However, it has so far mostly been considered in a simplified manner, due to limitations in experimental characterization and to particular modelling challenges. The objective of this project is to develop a framework that fully describes the shape of convex, faceted and rounded particles and their non-convex aggregates. The shape characterization will be useful for experimental characterization and will also serve as a basis for detailed modeling .The framework is based on mathematical concepts from the field of convex geometry (e.g. Minkowski-addition).The main focus of the project regarding application is on crystallization processes, whereas the framework provides the flexibility to consistently handle particle shape over different unit operations. Detailed experimental characterization and identification of full 3-dimensional shape will be provided by means of micro-computed-tomography measurements and corresponding 3-dimensional image processing. Also, modelling and simulation tools for crystallization processes will be developed on the basis of a detailed shape representation which explores the potential of increasing the predictiveness by properly considering particle shape. Eventually, the shape representation will be integrated in the solids processing simulation framework being developed in the DFG priority program SPP 1679.

形状是一个重要的性质，影响物理特性和下游加工的结晶和非结晶颗粒。然而，到目前为止，由于实验表征的局限性和特定的建模挑战，它主要以简化的方式进行考虑。该项目的目标是开发一个框架，充分描述凸，面和圆形颗粒及其非凸聚集体的形状。形状表征将有助于实验表征，也将作为详细建模的基础。该框架基于凸几何领域的数学概念（例如闵可夫斯基加法）。该项目的应用重点是结晶过程，而框架提供了在不同单元操作中一致处理颗粒形状的灵活性。详细的实验表征和全三维形状的识别将通过微计算机断层扫描测量和相应的三维图像处理提供。此外，结晶过程的建模和仿真工具将在详细形状表示的基础上开发，该表示将通过适当考虑颗粒形状来探索增加预测性的潜力。最终，形状表示将集成到DFG优先程序SPP 1679中开发的固体加工模拟框架中。