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Snowfall induced by corona discharge

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arxiv 1607.05125 v1 pith:WUWQ3B3J submitted 2016-07-06 physics.gen-ph

Jingjing Ju , Tie-Jun Wang , Ruxin Li , Shengzhe Du , Haiyi Sun , Yonghong Liu , Ye Tian , Yafeng Bai
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Yaoxiang Liu Na Chen Jingwei Wang Cheng Wang Jiansheng Liu S. L. Chin Zhizhan Xu
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classification physics.gen-ph
keywords coronadischargeinducedcloudcondensationprecipitationsnowsnowfall
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We demonstrated for the first time the condensation and precipitation (or snowfall) induced by a corona discharge inside a cloud chamber. Ionic wind was found to have played a more significant role than ions as extra Cloud Condensation Nuclei (CCN). 2.25 g of net snow enhancement was measured after applying a 30 kV corona discharge for 25 min. In comparison with another newly emerging femtosecond laser filamentation method, the snow precipitation induced by the corona discharge has about 4 orders of magnitude higher wall-plug efficiency under similar conditions.

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