{"title":"表面热膜在层流湍流中的应用","authors":"M. Swoboda, F. Haselbach, L. Wald, W. Nitsche","doi":"10.1109/ICIASF.1993.687660","DOIUrl":null,"url":null,"abstract":"This paper describes applications of the surjace hot-film technique for determining wall shear stresses in either laminar or turbulent flows. Based on an integral heat balance, a ratio of conductive io convective heat loss from a flush mounted surface hot-film can be formulated in relationship to Reynolds number based on the friction velocity. This calibration procedure is valid for both, laminar and turbulent flows. To determine the temperature field of a su~ace hot#lm, hotwire measurementS were carried out in the vicinity of the hotfilm. Apart @om this experimental investigation, comparative numerical calculations of the temperature field around a surface hot-film are presented in this paper.","PeriodicalId":398832,"journal":{"name":"International Congress on Instrumentation in Aerospace Simulation Facilities,","volume":"2 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"1993-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"3","resultStr":"{\"title\":\"On Surface Hot-Film Applications in Laminar-Turbulent Flows\",\"authors\":\"M. Swoboda, F. Haselbach, L. Wald, W. Nitsche\",\"doi\":\"10.1109/ICIASF.1993.687660\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"This paper describes applications of the surjace hot-film technique for determining wall shear stresses in either laminar or turbulent flows. Based on an integral heat balance, a ratio of conductive io convective heat loss from a flush mounted surface hot-film can be formulated in relationship to Reynolds number based on the friction velocity. This calibration procedure is valid for both, laminar and turbulent flows. To determine the temperature field of a su~ace hot#lm, hotwire measurementS were carried out in the vicinity of the hotfilm. Apart @om this experimental investigation, comparative numerical calculations of the temperature field around a surface hot-film are presented in this paper.\",\"PeriodicalId\":398832,\"journal\":{\"name\":\"International Congress on Instrumentation in Aerospace Simulation Facilities,\",\"volume\":\"2 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"1993-09-20\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"3\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"International Congress on Instrumentation in Aerospace Simulation Facilities,\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1109/ICIASF.1993.687660\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Congress on Instrumentation in Aerospace Simulation Facilities,","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1109/ICIASF.1993.687660","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
On Surface Hot-Film Applications in Laminar-Turbulent Flows
This paper describes applications of the surjace hot-film technique for determining wall shear stresses in either laminar or turbulent flows. Based on an integral heat balance, a ratio of conductive io convective heat loss from a flush mounted surface hot-film can be formulated in relationship to Reynolds number based on the friction velocity. This calibration procedure is valid for both, laminar and turbulent flows. To determine the temperature field of a su~ace hot#lm, hotwire measurementS were carried out in the vicinity of the hotfilm. Apart @om this experimental investigation, comparative numerical calculations of the temperature field around a surface hot-film are presented in this paper.
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