Infleunce of Convective Heat Exchange on a Rotating Disc in Superimposed Air Flow-Comparison Between Heat Pipe and Solid Discs

BARBARA WATEL; SOUAD HARMAND; BERNARD DESMET

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Infleunce of Convective Heat Exchange on a Rotating Disc in Superimposed Air Flow-Comparison Between Heat Pipe and Solid Discs

机译：对流换热对旋转盘的影响-热管与固体盘之间的叠加气流比较

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The aim of the present study is to estimate the infleucne of convective heat exchagnes on the cooling process of a rotating solid or heat pipe disc, subjected to an air flow parallel to its surface. The application to the TGV brake-disc-cooling during the braking phase is carrie dout. For a rotatign disc in superposed air flow, the latter is a dominant factor in the heat transfer coefficietn. The modelling of the heat transfer is achieved in soild and heat pipe discs, when simultaneously subjected to convective losses and entering heat flow. The simulation is validated through tests carried out on differnet model discs. Finally, the prtcular application to the rail braking (TGV) is completed. The temepratures computed inside the heat pipe brake-disc rotating in still air, during the braking pahse remain lower than those obtained insdie the solid brake-disc in superposed air flow.

机译：本研究的目的是估计对流热交换对旋转的固体或热管圆盘在平行于其表面的空气流的冷却过程中的影响。在制动阶段，TGV制动盘冷却的应用是carrie dout。对于旋转空气中的旋转圆盘，后者是传热系数的主要因素。当同时受到对流损失和进入热流时，在污染的盘管和热管盘中实现传热的建模。通过在differnet模型光盘上进行的测试来验证仿真。最终，完成了对铁路制动（TGV）的广泛应用。在制动过程中，在静止空气中旋转的热管制动盘内部计算的温度仍然低于在固态空气制动盘中叠加空气流所获得的温度。

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来源
《Journal of enhanced heat transfer》 |2000年第4期|p.259-272|共14页
作者
BARBARA WATEL; SOUAD HARMAND; BERNARD DESMET;
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作者单位

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种 eng
中图分类热力工程、热机;
关键词
Convective ehat exchange; rotating disc; heat pipe disc; brake disc cooling;

机译：对流帽子交换;转盘热管盘;刹车盘冷却;

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Infleunce of Convective Heat Exchange on a Rotating Disc in Superimposed Air Flow-Comparison Between Heat Pipe and Solid Discs

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