Ring-shaped microchannel heat exchanger based on turning process

Ring-shaped microchannel heat exchanger based on turning process
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基于车削工艺的环形微通道换热器

DOI:
10.1016/j.expthermflusci.2010.06.015
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发表时间:
2010-11
影响因子:
3.2
通讯作者:
Jiabao Wang
Jiabao Wang
中科院分区:
工程技术2区
文献类型:
--
作者:
Yong Tang;Zhanshu He;Minqiang Pan;Jiabao Wang

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研制了一种基于车削工艺的环形微通道换热器。设计并添加导流叶片以增强微通道间流量分布的均匀性。通过实验研究了带导叶和不带导叶的环形微通道换热器的性能。分析了微通道间流量分布均匀性对传热性能的影响。结果表明,可以通过车削成功加工环形微通道。导流叶片可以大大提高微通道间流量分布的均匀性。由于导叶的存在,无论是逆流还是并流,换热器的性能都得到提高。
A ring-shaped microchannel heat exchanger based on turning process is developed. Guide vanes are designed and added for enhancing the flow distribution uniformity among microchannels. The performance of the ring-shaped microchannel heat exchanger with or without guide vanes is investigated by experiments. The influence of the flow distribution uniformity among microchannels on the heat transfer performance is analyzed. The results show that ring-shaped microchannels can be successfully machined by turning. Guide vanes can greatly enhance the flow distribution uniformity among microchannels. Due to the existence of guide vanes, the performance of the heat exchanger is improved, whether in countercurrent flow or in cocurrent flow.
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