Physicochemical-based Models for the Prediction of safety relevant Ignition Processes

用于预测安全相关点火过程的基于物理化学的模型

• 批准号: 246067483
• 负责人: Professor Dr. Ulrich Maas
• 金额: --
• 依托单位: Institut für Technische Thermodynamik (ITT)
• 依托单位国家: 德国
• 项目类别: Research Units
• 财政年份: 2013
• 资助国家: 德国
• 起止时间: 2012-12-31 至 2016-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/246067483?language=en
• 关键词: Physicochemical; based; Models; Prediction; safety

The aim of this joint research project is the development of a physicochemically based numerical model to evaluate ignition processes of combustible gases with respect to safety engineering. Therefore, different ignition sources in mixtures of different combustibles shall be examined experimentally and numerically. The participants of the research group are strongly focused on the clarification of the interaction of the various transport processes with chemical reactions during the different ignition processes. This multi scale problem comprises several time and length scales and different physical/chemical phenomena. Hence, a multidisciplinary approach that combines the experiences of various institutes is necessary to attain the above aim including all relevant ignition sources. Whereas the focus of first project period was on the development of physicochemical models for simple flow configurations, the focus of the second project period will be the extension of the experimental investigations and models to more complex flow environments, more complex combustibles and mixtures of combustible gases, auto-ignition at low temperatures, and hierarchical modeling concepts for ignition in turbulent flow-fields.

这一联合研究项目的目的是开发一个基于物理化学的数值模型，以评估可燃气体点火过程与安全工程的关系。因此，不同可燃物混合物中的不同点火源应进行实验和数值检验。该研究小组的参与者非常注重澄清在不同点火过程中各种运输过程与化学反应的相互作用。这个多尺度问题包括多个时间和长度尺度以及不同的物理/化学现象。因此，有必要采取多学科方法，综合各研究所的经验，以实现上述目标，包括所有相关的点火源。第一个项目期的重点是为简单的流动配置开发物理化学模型，而第二个项目期的重点将是将实验研究和模型扩展到更复杂的流动环境、更复杂的可燃物和可燃气体混合物、低温下的自燃以及湍流场中点火的分层建模概念。