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Numerical modelling of the solar atmosphere
项目编号FT120100057
Sergiy Shelyag
项目主持机构Monash University
开始日期2012
结束日期2016-01-31
英文摘要This project aims at a) the development of new instrumentation for the expansion of the experimental temperature range of aerosol particle activation and hygroscopic growth measurements down to low, but atmospheric relevant temperatures (-25°C ≤ T ≤ 0°C), b) the subsequent analysis of hygroscopic growth and activation behaviour of inorganic and organic particles in this temperature range, and c) the determination of an effective hygroscopicity parameter for these compounds for temperatures below 0°C. These goals will be achieved via development and application of a novel Hygroscopicity Tandem Differential Mobility Analyzer (LT-HTDMA) capable of measuring hygroscopic particle growth at temperatures below the melting point of water and the application of the Leipzig Aerosol Cloud Interaction Simulator (LACIS) for the activation measurements below 0°C. The experiments will be accompanied by model simulations describing the coupled fluid and particle dynamical processes taking place inside LACIS which are necessary for data interpretation. The experimental results of growth and activation measurements will be tested against existing Köhler models with the goal of verifying and / or expanding existing effective hygroscopicity parameterizations to temperatures below 0°C. This combination of experimental and theoretical methods will significantly contribute to improving the understanding of the cloud forming processes in the mid-latitudes.
学科分类03 - 天文学
资助机构AU-ARC
项目经费571852
国家AU
语种英语
文献类型项目
条目标识符http://gcip.llas.ac.cn/handle/2XKMVOVA/75418
推荐引用方式
GB/T 7714
Sergiy Shelyag.Numerical modelling of the solar atmosphere.2012.
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