{"title":"常压下电晕放电特性及强化换热应用实验研究","authors":"Shi-guo Ma, Jian Wu","doi":"10.1109/CIEEC50170.2021.9510760","DOIUrl":null,"url":null,"abstract":"The mechanism of the electric field for heat transfer enhancement with needle-to-ring corona discharges is studied by experiment. Results show that discharge is easier to occur when negative voltage is applied and the electrical characteristics still obey Townsend's equation. The time-averaged velocity field results demonstrate that positive corona produces ionic wind more effectively than negative corona. In addition, it is found that ionic wind can dramatically enhance heat transfer. The enhancement effect of positive discharge is more significant than that of negative one.","PeriodicalId":110429,"journal":{"name":"2021 IEEE 4th International Electrical and Energy Conference (CIEEC)","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2021-05-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Experimental Study on Corona Discharge Characteristics and Heat Transfer Enhancement Application at Atmospheric Pressure\",\"authors\":\"Shi-guo Ma, Jian Wu\",\"doi\":\"10.1109/CIEEC50170.2021.9510760\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The mechanism of the electric field for heat transfer enhancement with needle-to-ring corona discharges is studied by experiment. Results show that discharge is easier to occur when negative voltage is applied and the electrical characteristics still obey Townsend's equation. The time-averaged velocity field results demonstrate that positive corona produces ionic wind more effectively than negative corona. In addition, it is found that ionic wind can dramatically enhance heat transfer. The enhancement effect of positive discharge is more significant than that of negative one.\",\"PeriodicalId\":110429,\"journal\":{\"name\":\"2021 IEEE 4th International Electrical and Energy Conference (CIEEC)\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2021-05-28\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"2021 IEEE 4th International Electrical and Energy Conference (CIEEC)\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/CIEEC50170.2021.9510760\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"2021 IEEE 4th International Electrical and Energy Conference (CIEEC)","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/CIEEC50170.2021.9510760","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Experimental Study on Corona Discharge Characteristics and Heat Transfer Enhancement Application at Atmospheric Pressure
The mechanism of the electric field for heat transfer enhancement with needle-to-ring corona discharges is studied by experiment. Results show that discharge is easier to occur when negative voltage is applied and the electrical characteristics still obey Townsend's equation. The time-averaged velocity field results demonstrate that positive corona produces ionic wind more effectively than negative corona. In addition, it is found that ionic wind can dramatically enhance heat transfer. The enhancement effect of positive discharge is more significant than that of negative one.
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