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Title
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Experimental and numerical study of buoyancy driven flow within a bottom heated vertical concentric cylindrical enclosure
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Sub-Title |
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Subject |
Experimental, Numerical Study, Buoyancy Driven Flow, Cylindrical Enclosure, Materials, Temperature
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Sub-Subject |
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Author |
Asif Hussain Malik, Shahab Khushnood, Ajmal Shah
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Publish Year |
2013 |
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Supervisor |
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Diss#. |
http://www.scirp.org/journal/PaperInformation.aspx |
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Chapters |
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Pages |
771-782 |
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Text Language |
English |
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Accession |
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Library Section |
Research Article |
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Abstract |
The study of buoyancy driven flow within bot- tom-heated vertical concentric cylindrical en- closure was important with respect to the proc- esses in chemical and nuclear industries. In this research paper, experimental and numerical stu- dy of the axial temperature gradient and the heat transfer mechanism within the enclosure were performed. The numerical simulations were vali- dated by comparing the numerical results with experimentally measured axial temperature. The numerical results of the streamlines within the enclosure depicted the real picture of the buoy- ancy effects. Eighteen different experiments were performed by using inner cylinder of different materials and outer cylinder of different diame-ters within the bottom disc temperature range of 353 - 433 K. The CFD simulations were per- formed to study the buoyancy effects within the enclosure. At the bottom disc with temperature up to 393 K, the streamlines within the inner cylinder were almost the same for both con- figura
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