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首页> 外文会议>7th Biennial Conference on Engineering Systems Design and Analysis 2004(ESDA 2004) vol.1: Advanced Energy Systems; Advanced Heat Transfer in Engineering Systems; ... >INFLUENCE OF NON UNIFORM BOUNDARY CONDITIONS ON LAMINAR FREE CONVECTION IN WAVY SQUARE CAVITY WITH PARTIAL PARTITIONS
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INFLUENCE OF NON UNIFORM BOUNDARY CONDITIONS ON LAMINAR FREE CONVECTION IN WAVY SQUARE CAVITY WITH PARTIAL PARTITIONS

机译：非均匀边界条件对具有部分分隔的波浪形腔中层流自由对流的影响

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摘要

In the present work, a numerical study of the effect of non uniform boundary conditions on the heat transfer by natural convection in cavities with partial partitions is investigated for the laminar regime. This problem is solved by using the partial differential equations which are the equation of mass, momentum and energy. The tests were performed for different boundary conditions and different Rayleigh numbers while the Prandtl number was kept constant. Four geometrical configurations were considered namely three and five undulations with increasing and decreasing partition length. The results obtained show that the non uniform temperature in the vertical walls affects the flow and the heat transfer. The mean Nusselt number decreases comparing with the heat transfer in the undulated square cavity without partitions for all non uniform boundary conditions tested.
机译：在目前的工作中，对于层状区域，研究了非均匀边界条件对具有部分隔板的空腔中自然对流传热的影响的数值研究。通过使用偏微分方程（质量，动量和能量方程）可以解决该问题。对不同的边界条件和不同的瑞利数进行了测试，而普朗特数保持不变。考虑了四个几何构型，即随着间隔长度的增加和减少，三个和五个起伏。获得的结果表明，垂直壁中温度的不均匀会影响流动和传热。对于测试的所有非均匀边界条件，平均Nusselt数与不带隔板的起伏方腔中的传热相比有所降低。

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