Global S&T Development Trend Analysis Platform of Resources and Environment
DOI | 10.2172/982072 |
报告编号 | DOE/SC-ARM/TR-090 |
来源ID | OSTI ID: 982072 |
Tandem Differential Mobility Analyzer/Aerodynamic Particle Sizer (APS) Handbook | |
Collins, D | |
2010-06-18 | |
出版年 | 2010 |
语种 | 英语 |
国家 | 美国 |
出版者 | PNNL;Richland, WA |
领域 | 地球科学 |
英文摘要 | The tandem differential mobility analyzer (TDMA) is a single instrument that cycles through a series of complementary measurements of the physical properties of size-resolved submicron particles. In 2008, the TDMA was augmented through the addition of an aerodynamic particle sizer (APS), which extends the upper limit of the measured size distribution into the supermicron range. These two instruments are operated in parallel, but because they are controlled by a common computer and because the size distributions measured by the two are integrated in the produced datastreams, they are described together here. Throughout the day, the TDMA sequentially measures submicron aerosol size distributions and size-resolved hygroscopic growth distributions. More specifically, the instrument is operated as a scanning DMA to measure size distributions and as a TDMA to measure size-resolved hygroscopicity. A typical measurement sequence requires roughly 45 minutes. Each morning additional measurements are made of the relative humidity (RH) dependent hygroscopicity and temperature-dependent volatility of size-resolved particles. When the outside temperature and RH are within acceptable ranges, the hydration state of size-resolved particles is also characterized. The measured aerosol distributions complement the array of aerosol instruments in the Aerosol Observing System (AOS) and provide additional details of the light-scattering and cloud-nucleating characteristics of the aerosol. |
URL | 查看原文 |
来源平台 | US Department of Energy (DOE) |
引用统计 | |
文献类型 | 科技报告 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/5087 |
专题 | 地球科学 |
推荐引用方式 GB/T 7714 | Collins, D. Tandem Differential Mobility Analyzer/Aerodynamic Particle Sizer (APS) Handbook:PNNL;Richland, WA,2010. |
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