{"title":"粉末和液体的动态松弛时间测量系统","authors":"I. Inculet","doi":"10.1109/IAS.1992.244390","DOIUrl":null,"url":null,"abstract":"With the increasing industrial use of electrostatic systems to coat surfaces, the relaxation time constants of the powder which is being applied electrostatically is a key intrinsic property of the coating material. The measuring system described involves: a powder compacting unit with a vibrator, a high-voltage power supply for corona charging, and an electric flux-decay-versus-time monitoring electrometer. The system allows evaluation of a realistic relaxation time constant, particularly for packed powder, from various levels of charge. To substantiate the operation of the system, tests results are presented for sugar, polyethylene, Arizona road dust as well as for a liquid dielectric transformer oil.<<ETX>>","PeriodicalId":110710,"journal":{"name":"Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting","volume":"47 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1992-10-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"Dynamic relaxation time measuring system for powders and liquids\",\"authors\":\"I. Inculet\",\"doi\":\"10.1109/IAS.1992.244390\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"With the increasing industrial use of electrostatic systems to coat surfaces, the relaxation time constants of the powder which is being applied electrostatically is a key intrinsic property of the coating material. The measuring system described involves: a powder compacting unit with a vibrator, a high-voltage power supply for corona charging, and an electric flux-decay-versus-time monitoring electrometer. The system allows evaluation of a realistic relaxation time constant, particularly for packed powder, from various levels of charge. To substantiate the operation of the system, tests results are presented for sugar, polyethylene, Arizona road dust as well as for a liquid dielectric transformer oil.<<ETX>>\",\"PeriodicalId\":110710,\"journal\":{\"name\":\"Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting\",\"volume\":\"47 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1992-10-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/IAS.1992.244390\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Conference Record of the 1992 IEEE Industry Applications Society Annual Meeting","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/IAS.1992.244390","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Dynamic relaxation time measuring system for powders and liquids
With the increasing industrial use of electrostatic systems to coat surfaces, the relaxation time constants of the powder which is being applied electrostatically is a key intrinsic property of the coating material. The measuring system described involves: a powder compacting unit with a vibrator, a high-voltage power supply for corona charging, and an electric flux-decay-versus-time monitoring electrometer. The system allows evaluation of a realistic relaxation time constant, particularly for packed powder, from various levels of charge. To substantiate the operation of the system, tests results are presented for sugar, polyethylene, Arizona road dust as well as for a liquid dielectric transformer oil.<>
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