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本文研究了平板的相互位置、腔体倾角及Rα数对倾斜封闭立方腔内多块孤立平板自然对流换热的影响.实验查明:在一定Rα数下存在着一个使每块板换热强度相当的间距;平均换热特性对位置很不敏感;平板的换热强度比相同Rα数下的大空间自然对流更弱,且随倾角增加,Nu数随Rα数增加的增长幅度逐渐减慢.
In this paper, we study the influence of plate mutual position, cavity inclination angle and Rα number on the natural convection heat transfer of a plurality of isolated plates in an inclined closed cubic cavity. Experiments show that there is a certain interval of heat exchange intensity for each plate under a certain Rα number. The average heat transfer characteristics are not sensitive to the position. The plate heat transfer intensity is weaker than that of the large space with the same Rα number , And the increase of Nu number decreases with the increase of Rα as the angle increases.