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首页> 外文会议>ASME Heat Transfer Conference >INFLUENCE OF PARTITION LOCATION ON NATURAL CONVECTION IN A PARTITIONED ENCLOSURE
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INFLUENCE OF PARTITION LOCATION ON NATURAL CONVECTION IN A PARTITIONED ENCLOSURE

机译：分区位置对分区外壳中自然对流的影响

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In this study, Natural convection heat transfer and fluid flow of square partitioned enclosure with two partitions protruding centrally from the end walls of an enclosure have been analysed numerically using finite element method. The enclosure has opposite isothermal walls at different temperatures. The thickness and length of the partitions is fixed and equal to 1/10 and 1/4 of width of the enclosure respectively. Computation for Rayleigh number in the range of 10~4 to 10~6 has been conducted. The influence of different thermal boundary conditions at the end walls and at the partitions is included in the investigation. 'Standard' boundary conditions are introduced as more appropriate to simulate situations of practical engineering interest. To solve the relevant governing equations a segregated sequential solution algorithm is used after employing Boussinesq approximation. These equations after discretization were solved by using the tridiagonal matrix algorithm. Results clearly demonstrate that partition location has a significant effect on heat transfer.
机译：在该研究中，使用有限元方法在数值上分析了从外壳的端壁中突出的两个隔板的自然对流传热和流体流动。外壳在不同温度下具有相反的等温墙壁。分隔件的厚度和长度分别固定且等于外壳宽度的1/10和1/4。已经进行了10〜4至10〜6范围内的瑞利数的计算。在调查中包括不同热边缘条件在端壁和隔板处的影响。引入了“标准”边界条件，以模拟实用工程兴趣的情况。为了解决相关的控制方程，在使用Boussinesq近似之后使用分离的顺序解决方案算法。通过使用Tridiacon矩阵算法解决了离散化之后的这些方程。结果清楚地表明分区位置对传热有显着影响。

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