{"title":"On the Rebound of Supercooled Droplets Colliding with Ice Plate(2)","authors":"M. Kajikawa, S. Sugano","doi":"10.2151/JMSJ1965.53.2_168","DOIUrl":"https://doi.org/10.2151/JMSJ1965.53.2_168","url":null,"abstract":"Water droplets ranging from 60 to 160 11m and from 200 to 300 11m in size were collided with an ice shell covered with the brass pipe of 1.5 cm in diameter. The experiments were carried out in the environment temperature of -10 to -25°C. The rebound was observed in the droplets ranging from 200 to 300 11m and at the temperatures of -20 and -25°C at the rate of about 2%. When the rebounded droplets were taken on a sampling tray, they were almost all frozen. The rate of rebound was greatly dependent on the impact angle of droplets in that this rate increased to about 5% at the collision approaching to the grazing incidence. It was found that the occurrence of rebound of supercooled droplets was restricted within the certain ranges of Weber number of colliding droplets and the environment temperature. For example, according to the considerations given so far, the convenient Weber number is about O. IS to 0.8 at the temperature of -15°C. This condition is sufficiently satisfied on the t;ollision of rimed snow crystals or graupel particles with natural cloud droplets.","PeriodicalId":413228,"journal":{"name":"Journal of the Faculty of Science, Hokkaido University. Series 7, Geophysics","volume":"136 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1980-03-31","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124247777","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}