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含内热源堆积球床对流换热特性的实验研究

DOI: 10.3969/j.issn.1007-7043.201110054

Keywords: 多孔介质, 强迫对流换热, 球床反应堆, 内热源

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Abstract:

为了研究含内热源球床通道内的换热特性,采用直径为8 mm表面氧化碳钢球堆积形成球床,并采用电磁感应加热方式对球床进行整体加热.研究了球床通道内部的功率分布情况和换热系数随热流密度、工质??Re??的变化规律;并且根据实验数据拟合得到了球床通道内换热系数的无量纲准则关联式,拟合结果与实验结果的偏差在7%以内,符合良好.

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