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DOI | 10.5194/acp-21-18519-2021 |
Secondary ice production during the break-up of freezing water drops on impact with ice particles | |
Rachel L. James, Vaughan T. J. Phillips, and Paul J. Connolly | |
2021-12-21 | |
发表期刊 | Atmospheric Chemistry and Physics |
出版年 | 2021 |
英文摘要 | We provide the first dedicated laboratory study of collisions of supercooled water drops with ice particles as a secondary ice production mechanism. We experimentally investigated collisions of supercooled water drops (∼ 5 mm in diameter) with ice particles of a similar size (∼ 6 mm in diameter) placed on a glass slide at temperatures 12 ∘C. Our results showed that secondary drops were generated during both the spreading and retraction phase of the supercooled water drop impact. The secondary drops generated during the spreading phase were emitted too fast to quantify. However, quantification of the secondary drops generated during the retraction phase with diameters >0.1 mm showed that 5–10 secondary drops formed per collision, with approximately 30 % of the secondary drops freezing over a temperature range between −4 and −12 ∘C. Our results suggest that this secondary ice production mechanism may be significant for ice formation in atmospheric clouds containing large supercooled drops and ice particles. |
领域 | 地球科学 |
URL | 查看原文 |
引用统计 | |
文献类型 | 期刊论文 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/344107 |
专题 | 地球科学 |
推荐引用方式 GB/T 7714 | Rachel L. James, Vaughan T. J. Phillips, and Paul J. Connolly. Secondary ice production during the break-up of freezing water drops on impact with ice particles[J]. Atmospheric Chemistry and Physics,2021. |
APA | Rachel L. James, Vaughan T. J. Phillips, and Paul J. Connolly.(2021).Secondary ice production during the break-up of freezing water drops on impact with ice particles.Atmospheric Chemistry and Physics. |
MLA | Rachel L. James, Vaughan T. J. Phillips, and Paul J. Connolly."Secondary ice production during the break-up of freezing water drops on impact with ice particles".Atmospheric Chemistry and Physics (2021). |
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