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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Pengguo Zhao Yan Yin Hui Xiao |
| Copyright Year | 2014 |
| Description | Author affiliation: Key Lab. for Aerosol-Cloud-Precipitation of China Meteorol. Adm., Nanjing Univ. of Inf. Sci. & Technol., Nanjing, China (Pengguo Zhao; Yan Yin; Hui Xiao) |
| Abstract | The effects of aerosol on electrification of continental thunderstorm are simulated with WRF model coupled with electrification and activation scheme. Increasing aerosol concentration results in enhancement in electrification, due to more ice particles carried charge and greater mean charge separation amount per rebounding collision in polluted case. The charge structures change as the aerosol concentration increases. In clean case, the charge structure maintains the dipolar charge distribution through the simulation, while the charge structure of polluted case transforms form dipolarity at the initial stage of charging separation to inverted tripolarity after about 33 min. The signs of charge transferred to ice particles are determined by the rime accretion rate (RAR). If RAR is larger than the critical rime accretion rate $(RAR_{C}),$ the graupel particles charge positively, and vice versa. In a word, increasing aerosol loading leads to increase in liquid water content resulting in a reversal charge structure that negative charge center develops above positive charge region. |
| Starting Page | 177 |
| Ending Page | 180 |
| File Size | 1221197 |
| Page Count | 4 |
| File Format | |
| ISBN | 9781479935444 |
| DOI | 10.1109/ICLP.2014.6973116 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2014-10-11 |
| Publisher Place | China |
| Access Restriction | Subscribed |
| Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Subject Keyword | WRF model Computer aided software engineering Charge structure Lead Predictive models Aerosols Electrification Aerosol effects |
| Content Type | Text |
| Resource Type | Article |
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