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化工学报  2015 

水和丙酮工质的金属纤维毡蒸气腔热管的传热性能

DOI: 10.11949/j.issn.0438-1157.20140765, PP. 522-529

Keywords: 计算流体力学,对流,传热,蒸汽腔热管,金属纤维毡,均温性

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Abstract:

通过实验研究了金属纤维毡吸液芯蒸气腔热管的传热特性,测试了在单一热源下,不同热通量、风速以及工质种类时蒸气腔热管的启动性能与均温特性,并使用红外热像仪对蒸气腔热管冷凝端拍摄。实验中蒸气腔热管使用的工质分别为水与丙酮。实验结果表明:金属纤维毡蒸气腔热管的启动时间基本在3000s左右;蒸气腔热管的蒸发端与冷凝端的等温性能良好,其中水工质的冷热端最小温差为1.35℃,因此使用金属纤维毡吸液芯蒸气腔热管可以避免电子器件的局部高温。

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