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Study on convection heat transfer in a ventilated room with horizontal partitions

机译:水平分隔通风室内对流换热的研究

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The turbulent convection heat transfer in a ventilated room witht he horizontal partitions is studied numerically and experimentally. For the numerical study, the governing equations are solved by using a finite difference method for 50 <=Re<=2000, 1460 <=Gr<=11585, Pr=0.71 and number of partition. The experimental study is investigated for the comparison of numerical results by using a holographic interferometer. The isotherms and velocity vectors have been representedd for various parameters. As the number and length of partition increase, the convection heat transfer decreases. Based on the numerical data, a correlation equation is obtained for the dimensionless mean Nusselt number in term of Gr/Re~2.
机译:对具有水平隔板的通风室内的湍流对流换热进行了数值和实验研究。对于数值研究,使用有限差分法求解控制方程,该方法适用于50 <= Re <= 2000、1460 <= Gr <= 11585,Pr = 0.71和分配数。为了通过全息干涉仪比较数值结果,对实验研究进行了研究。等温线和速度矢量已针对各种参数表示。随着分隔件的数量和长度的增加,对流传热减小。基于数值数据,获得了以Gr / Re〜2为单位的无量纲平均努塞尔特数的相关方程。

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