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小空间热虹吸管传热分析与试验

, PP. 16-20

Keywords: 小热管,散热器,流型,温度控制

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Abstract:

对电子元器件散热和太阳能应用中的小热管内汽液两相流动与传热作了分析,进行了小直径圆型和扁型热虹吸管(f40.8、f6×0.8、8×1.0mm)传热性能试验,热管壁面温度的波动和热管传热能力与热管内汽液两相流动及流型变化有关.高热源温度时,热管传输功率大,流型为塞状流;低热源温度时,流型为条状流;扁型热管传热功率比圆型热管低.

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