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首页> 外文期刊>International Journal of Heat and Mass Transfer >Heat Transfer Study In A Discoidal System: The Influence Of Rotation And Space Between Disks
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Heat Transfer Study In A Discoidal System: The Influence Of Rotation And Space Between Disks

机译：盘状系统中的传热研究：磁盘间旋转和空间的影响

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This article presents an experimental study of the local heat transfer on the rotor surface in a discoidal rotor-stator system air-gap in which an air jet comes through the stator and impinges the rotor. To determine the surface temperatures, measurements were taken on the rotor, using an experimental technique based on infrared thermography. A thermal balance was used to identify the local convective heat transfer coefficient. The influence of the dimensionless spacing interval G between the disks and of the rotational Reynolds number Re was measured and compared with the data available in bibliography. Local convective heat transfer coefficients were obtained for an axial Reynolds number Re_j = 41.6 × 10~3, a rotational Reynolds number Re between 0.2 × 10~5 and 5.16 × 10~5, and a dimensionless spacing interval G ranging from 0.01 to 0.16.
机译：本文介绍了盘状转子-定子系统气隙中转子表面局部传热的实验研究，其中空气流穿过定子并撞击转子。为了确定表面温度，使用基于红外热成像的实验技术对转子进行了测量。使用热平衡来确定局部对流传热系数。测量了圆盘之间无量纲间隔G的影响以及旋转雷诺数Re的影响，并将其与参考书目中的数据进行了比较。对于轴向雷诺数Re_j = 41.6×10〜3，旋转雷诺数Re在0.2×10〜5和5.16×10〜5之间以及无量纲间隔G介于0.01到0.16之间，可以获得局部对流传热系数。

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