Heat Transfer during Boiling of a Magnetic Fluid in a Magnetic Field on a Horizontal Surface with Single-Point Heat Supply
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 conc...
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| Главные авторы: | , |
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| 格式: | Статья |
| 语言: | English |
| 出版: |
2023
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| 主题: | |
| 在线阅读: | https://dspace.ncfu.ru/handle/20.500.12258/25546 |
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| 总结: | 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. |
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