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Natural Convection Heat Transfer in Inclined Cylindrical Water Layers  

장병훈 (시립인천전문대학 컴퓨터응용기계설계과)
Publication Information
Korean Journal of Air-Conditioning and Refrigeration Engineering / v.15, no.10, 2003 , pp. 787-794 More about this Journal
Abstract
The effect of inclination angle on natural convection heat transfer has been studied for water layers. The range of the Raleigh number was from the subcritical value to 1.4${\times}$10$^{7}$ , and the range of the inclination angle, $\theta$, measured from the horizontal was 0$\leq$$\theta$$\leq$180$^{\circ}$. For horizontal water layers, present results agreed well with the results of previous investigators and also showed significant departures from the results of air layers in the turbulent regime. Inclined cylindrical water layers showed secondary maxima in heat transfer, whereas rectangular air layers showed continuous decline of Nusselt number.
Keywords
Natural convection heat transfer; Inclination angle; Water layer; Cylindrical enclosure;
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