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Title
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Experimental study of conjugate heat transfer within a bottom heated vertical concentric cylindrical enclosure.
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Sub-Title |
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Subject |
Conjugate heat transfer, Cylindrical enclosure, Bottom disc temperature, Inner cylinder materials, Outer cylinder diameter, Thermal conductivity
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Sub-Subject |
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Author |
Asif Hussain Malik, M.S.I Alvi, Shahab Khushnood,
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Publish Year |
2011 |
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Supervisor |
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Diss#. |
https://doi.org/10.1016/j.ijheatmasstransfer.2011. |
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Pages |
1154-1163 |
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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 |
In this research work an experimental study of conjugate heat transfer within an air filled bottom-heated
vertical enclosure is conducted. The enclosure consists of two concentric cylinders with inner cylinder
being shorter and open at the top. The study is important with respect to the centrifuge machine used
in the process industry. Eighteen different experiments are performed by varying the bottom disc central
temperature between 353 and 433 K, using three different materials (aluminum, mild steel and stainless
steel) of the inner cylinder and two different diameter outer cylinders of mild steel. This study unfolds the
temperature, material and geometric effects of bottom disc, inner cylinder and outer cylinder respectively
on thermal convection in the enclosure. Generally, a uniform temperature is required in such enclosures.
A more uniform axial and radial temperature is observed in the enclosure by using aluminum inner cylinder
within a temperature range of 353–433 K of the botto
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