{"title":"磁流体力学自由对流管道流动","authors":"K. Cramer","doi":"10.2514/8.9158","DOIUrl":null,"url":null,"abstract":"Comparison of Flow-Direction Probes at Supersonic Speeds FRANK W. BARRY 750 I HAS BEEN SHOWN 1 tha t transverse magnetic fields of practica strengths exert considerable influence on liquid-metal, freeconvection, vertical, flat-plate and parallel-plate flow fields. The extent of influence was determined by the magnitude of a nondimensional parameter A which is the ratio of the Hartmann number to the fourth root of the Grashof number, and is a measure of the relative influence of the magnetic and buoyant forces. In this note the steady, fully developed, laminar, freeconvection flow of a fluid of electrical conductivity <TQ through a fully submerged, open-ended, constant-temperature, vertical pipe located in a transverse magnetic field of strength B0 is analyzed in terms of the same parameter. The magnitude of its influence on the velocity and temperature profiles, the surface shear and heat transfer, and the volumetric flow rate is determined.","PeriodicalId":336301,"journal":{"name":"Journal of the Aerospace Sciences","volume":"17 1","pages":"0"},"PeriodicalIF":0.0000,"publicationDate":"2012-08-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Magnetohydrodynamic Free-Convection Pipe Flow\",\"authors\":\"K. Cramer\",\"doi\":\"10.2514/8.9158\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"Comparison of Flow-Direction Probes at Supersonic Speeds FRANK W. BARRY 750 I HAS BEEN SHOWN 1 tha t transverse magnetic fields of practica strengths exert considerable influence on liquid-metal, freeconvection, vertical, flat-plate and parallel-plate flow fields. The extent of influence was determined by the magnitude of a nondimensional parameter A which is the ratio of the Hartmann number to the fourth root of the Grashof number, and is a measure of the relative influence of the magnetic and buoyant forces. In this note the steady, fully developed, laminar, freeconvection flow of a fluid of electrical conductivity <TQ through a fully submerged, open-ended, constant-temperature, vertical pipe located in a transverse magnetic field of strength B0 is analyzed in terms of the same parameter. The magnitude of its influence on the velocity and temperature profiles, the surface shear and heat transfer, and the volumetric flow rate is determined.\",\"PeriodicalId\":336301,\"journal\":{\"name\":\"Journal of the Aerospace Sciences\",\"volume\":\"17 1\",\"pages\":\"0\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2012-08-30\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Journal of the Aerospace Sciences\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.2514/8.9158\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of the Aerospace Sciences","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.2514/8.9158","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
Comparison of Flow-Direction Probes at Supersonic Speeds FRANK W. BARRY 750 I HAS BEEN SHOWN 1 tha t transverse magnetic fields of practica strengths exert considerable influence on liquid-metal, freeconvection, vertical, flat-plate and parallel-plate flow fields. The extent of influence was determined by the magnitude of a nondimensional parameter A which is the ratio of the Hartmann number to the fourth root of the Grashof number, and is a measure of the relative influence of the magnetic and buoyant forces. In this note the steady, fully developed, laminar, freeconvection flow of a fluid of electrical conductivity
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