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تحلیل تجربی و عددی انتقال حرارت جابجایی آزاد از روی صفحه موجی شکل درون یک کانال عمودی | ||
| Journal of Algorithms and Computation | ||
| مقاله 9، دوره 42، شماره 1، تیر 2008، صفحه 39-48 اصل مقاله (409.88 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jac.2013.7738 | ||
| نویسندگان | ||
| Mehdi Ashjaee* ؛ Hossein Shokouhmand؛ Mehdi Amiri؛ Touraj Yousefi | ||
| چکیده | ||
| Laminar free convection heat transfer from vertical and inclined arrays of horizontal isothermal cylinders in air was investigated experimentally and numerically. Experiments were carried out using Mach-Zehnder interferometer and the FLUENT code was used for numerical study. Investigation was performed for vertical and horizontal cylinder spacing from 2 to 5 and 0 to 2 cylinder diameters respectively. The Rayleigh number based on the cylinder diameter varied between 103and 3×103.The effect of vertical and horizontal cylinder spacing and Rayleigh number on the local heat transfer from each individual cylinder was investigated. It was seen that the local heat transfer coefficient of each cylinder strongly depends on its position relative to the others. This variation of the local heat transfer coefficient was explained by the interaction of plume's temperature and velocity profiles. | ||
| کلیدواژه‌ها | ||
| Free Convection؛ Vertical Array؛ Inclined Array؛ Horizontal Cylinders؛ Interferometry | ||
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