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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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