CIESC Journal ›› 2023, Vol. 74 ›› Issue (S1): 235-244.DOI: 10.11949/0438-1157.20221614
• Fluid dynamics and transport phenomena • Previous Articles Next Articles
He JIANG(), Junfei YUAN(), Lin WANG, Guyu XING
Received:
2022-11-15
Revised:
2022-12-25
Online:
2023-09-27
Published:
2023-06-05
Contact:
Junfei YUAN
通讯作者:
袁俊飞
作者简介:
江河(1997—),男,硕士研究生,1031456669@qq.com
基金资助:
CLC Number:
He JIANG, Junfei YUAN, Lin WANG, Guyu XING. Experimental study on the effect of flow sharing cavity structure on phase change flow characteristics in microchannels[J]. CIESC Journal, 2023, 74(S1): 235-244.
江河, 袁俊飞, 王林, 邢谷雨. 均流腔结构对微细通道内相变流动特性影响的实验研究[J]. 化工学报, 2023, 74(S1): 235-244.
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均流腔结构 | Hch/μm | Wch/μm | Wf/μm | Nch/条 | Wb×Lb/mm | Wpl1/mm | Wpl2/mm | Wpl3/mm | R/mm |
---|---|---|---|---|---|---|---|---|---|
方形均流腔 | 400 | 400 | 400 | 9 | 6.8×20 | 20 | 20 | 20 | — |
圆弧均流腔 | 400 | 400 | 400 | 9 | 6.8×20 | 20 | 10 | 6.8 | 10.9 |
Table 1 Heat sink geometry size
均流腔结构 | Hch/μm | Wch/μm | Wf/μm | Nch/条 | Wb×Lb/mm | Wpl1/mm | Wpl2/mm | Wpl3/mm | R/mm |
---|---|---|---|---|---|---|---|---|---|
方形均流腔 | 400 | 400 | 400 | 9 | 6.8×20 | 20 | 20 | 20 | — |
圆弧均流腔 | 400 | 400 | 400 | 9 | 6.8×20 | 20 | 10 | 6.8 | 10.9 |
Fig.9 When the heat flux is 154.4 kW/m2, the influence of different flow sharing cavity structures on the pressure fluctuation at the inlet and outlet of the microchannels
Fig.10 Under different mass flow rates, the heat transfer coefficient of circular-arc and square flow sharing cavity microchannels varies with heat flux
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