{"title":"水滴在静止空气中的蒸发","authors":"G. Langstroth, C. Diehl, E. Winhold","doi":"10.1139/CJR50A-049","DOIUrl":null,"url":null,"abstract":"The evaporation of droplets of 1 to 2 mm. diameter into still air has been studied with nine liquids forming a series of graded volatility from toluene to aniline and including water. The experimental results agreed with calculations based on diffusion and heat transfer theory. The surface temperature of the more volatile droplets was found to be significantly lower than the bulk temperature, in contrast to Johnson's results for water. Convection effects were found to be present with 43 mm. diameter evaporation vessels in confirmation of Gilliland's suggestion, but were absent in the smaller vessels used in the main investigation.","PeriodicalId":9392,"journal":{"name":"Canadian journal of research","volume":"208 1","pages":"580-595"},"PeriodicalIF":0.0000,"publicationDate":"1950-11-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"32","resultStr":"{\"title\":\"THE EVAPORATION OF DROPLETS IN STILL AIR\",\"authors\":\"G. Langstroth, C. Diehl, E. Winhold\",\"doi\":\"10.1139/CJR50A-049\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The evaporation of droplets of 1 to 2 mm. diameter into still air has been studied with nine liquids forming a series of graded volatility from toluene to aniline and including water. The experimental results agreed with calculations based on diffusion and heat transfer theory. The surface temperature of the more volatile droplets was found to be significantly lower than the bulk temperature, in contrast to Johnson's results for water. Convection effects were found to be present with 43 mm. diameter evaporation vessels in confirmation of Gilliland's suggestion, but were absent in the smaller vessels used in the main investigation.\",\"PeriodicalId\":9392,\"journal\":{\"name\":\"Canadian journal of research\",\"volume\":\"208 1\",\"pages\":\"580-595\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1950-11-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"32\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Canadian journal of research\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1139/CJR50A-049\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Canadian journal of research","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1139/CJR50A-049","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The evaporation of droplets of 1 to 2 mm. diameter into still air has been studied with nine liquids forming a series of graded volatility from toluene to aniline and including water. The experimental results agreed with calculations based on diffusion and heat transfer theory. The surface temperature of the more volatile droplets was found to be significantly lower than the bulk temperature, in contrast to Johnson's results for water. Convection effects were found to be present with 43 mm. diameter evaporation vessels in confirmation of Gilliland's suggestion, but were absent in the smaller vessels used in the main investigation.
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