{"title":"磁流体在水平面上磁场沸腾时的传热及单点供热","authors":"A. A. Yanovskii, A. Ya. Simonovskii","doi":"10.3103/S1068375523040178","DOIUrl":null,"url":null,"abstract":"<div><div><h3>\n <b>Abstract</b>—</h3><p>An experimental study was made of the influence of a homogeneous magnetic field on heat transfer during nucleate boiling of a nanodispersed magnetizable fluid (magnetic fluid) on a horizontal surface with single-point heat supply. The boiling curves were obtained for magnetic fluids with volume concentrations of the solid phase of 12, 8, and 5.5% in magnetic fields ranging from 0.7 to 4.2 kA/m. The curves are nonmonotonic, and the value of the magnetic field intensity at which the heat flux is maximum was determined. It was found that, with an increase in the solid-phase concentration, the effect of the magnetic field on the heat flux increases. Based on the theory of approximate heat transfer during boiling of fluids, an expression was derived that satisfactorily describes the influence of the magnetic field on the heat flux in the nucleate boiling regime.</p></div></div>","PeriodicalId":782,"journal":{"name":"Surface Engineering and Applied Electrochemistry","volume":"59 4","pages":"452 - 458"},"PeriodicalIF":0.9000,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"Heat Transfer during Boiling of a Magnetic Fluid in a Magnetic Field on a Horizontal Surface with Single-Point Heat Supply\",\"authors\":\"A. A. Yanovskii, A. Ya. Simonovskii\",\"doi\":\"10.3103/S1068375523040178\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"<div><div><h3>\\n <b>Abstract</b>—</h3><p>An experimental study was made of the influence of a homogeneous magnetic field on heat transfer during nucleate boiling of a nanodispersed magnetizable fluid (magnetic fluid) on a horizontal surface with single-point heat supply. The boiling curves were obtained for magnetic fluids with volume concentrations of the solid phase of 12, 8, and 5.5% in magnetic fields ranging from 0.7 to 4.2 kA/m. The curves are nonmonotonic, and the value of the magnetic field intensity at which the heat flux is maximum was determined. It was found that, with an increase in the solid-phase concentration, the effect of the magnetic field on the heat flux increases. Based on the theory of approximate heat transfer during boiling of fluids, an expression was derived that satisfactorily describes the influence of the magnetic field on the heat flux in the nucleate boiling regime.</p></div></div>\",\"PeriodicalId\":782,\"journal\":{\"name\":\"Surface Engineering and Applied Electrochemistry\",\"volume\":\"59 4\",\"pages\":\"452 - 458\"},\"PeriodicalIF\":0.9000,\"publicationDate\":\"2023-09-04\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Surface Engineering and Applied Electrochemistry\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://link.springer.com/article/10.3103/S1068375523040178\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"Q3\",\"JCRName\":\"Engineering\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Surface Engineering and Applied Electrochemistry","FirstCategoryId":"1085","ListUrlMain":"https://link.springer.com/article/10.3103/S1068375523040178","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"Engineering","Score":null,"Total":0}
Heat Transfer during Boiling of a Magnetic Fluid in a Magnetic Field on a Horizontal Surface with Single-Point Heat Supply
Abstract—
An experimental study was made of the influence of a homogeneous magnetic field on heat transfer during nucleate boiling of a nanodispersed magnetizable fluid (magnetic fluid) on a horizontal surface with single-point heat supply. The boiling curves were obtained for magnetic fluids with volume concentrations of the solid phase of 12, 8, and 5.5% in magnetic fields ranging from 0.7 to 4.2 kA/m. The curves are nonmonotonic, and the value of the magnetic field intensity at which the heat flux is maximum was determined. It was found that, with an increase in the solid-phase concentration, the effect of the magnetic field on the heat flux increases. Based on the theory of approximate heat transfer during boiling of fluids, an expression was derived that satisfactorily describes the influence of the magnetic field on the heat flux in the nucleate boiling regime.
期刊介绍：
Surface Engineering and Applied Electrochemistry is a journal that publishes original and review articles on theory and applications of electroerosion and electrochemical methods for the treatment of materials; physical and chemical methods for the preparation of macro-, micro-, and nanomaterials and their properties; electrical processes in engineering, chemistry, and methods for the processing of biological products and food; and application electromagnetic fields in biological systems.
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