Applicability of traditional turbulent single-phase forced convection correlations to non-circular microchannels

被引：82
|
作者：
Adams, TM [1 ]
Dowling, MF [1 ]
Abdel-Khalik, SI [1 ]
Jeter, SM [1 ]
机构：
[1] Georgia Inst Technol, George W Woodruff Sch Mech Engn, Atlanta, GA 30332 USA
来源：
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER | 1999年 / 42卷 / 23期
关键词：
D O I：
10.1016/S0017-9310(99)00102-7
中图分类号：
O414.1 [热力学];
学科分类号：
摘要：
Turbulent convection in microchannels has received much interest as an effective cooling mechanism for high power density applications. Study shows that the turbulent heat transfer coefficients for water flowing in circular microchannels with diameters ranging from 0.76 to 1.09 mm are significantly higher than the values predicted by traditional Nusselt number correlations for the same Reynolds and Prandtl numbers. In some cases, the enhancement reached a value of nearly 100%.
引用
收藏
页码：4411 / 4415
页数：5
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