Research Initiation Award: Stability of Phase Change Fronts in Coupled Transport

研究启动奖：耦合传输中相变前沿的稳定性

• 批准号: 8908376
• 负责人: Ifiyenia Kececioglu
• 金额: $ 7.81万
• 依托单位: University of Illinois at Chicago
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 1989
• 资助国家: 美国
• 起止时间: 1989-09-01 至 1993-02-28
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=8908376&HistoricalAwards=false
• 关键词: Research; Initiation; Award; Stability; Phase

A new adaptively deforming mixed variable finite element method will be used for a two-dimensional stability analysis of transient phase change processes in porous media with natural convection. Criteria developed from the computational work will be verified by experimental studies of formation and thawing of permafrost. Criteria developed from the study will be applicable to several types of moving front problems such as melting/freezing Stefon problems, growth of semiconductor crystals, welding of critical components, and transport of toxic contaminants in ground water.

提出了一种新的自适应变形混合变量有限元方法， 用于暂态相的二维稳定性分析 多孔介质自然对流换热过程 标准 从计算工作中开发的将通过实验验证 研究永久冻土的形成和融化。 研究制定的标准将适用于几种类型 移动前沿问题，如融化/冻结Stefon问题， 半导体晶体的生长，关键部件的焊接，以及 地下水中有毒污染物的迁移。