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Effects of slip length and hydraulic diameter on hydraulic entrance length of microchannels with superhydrophobic

Wenchi GONG, Jun SHEN, Wei DAI, Zeng DENG, Xueqiang DONG, Maoqiong GONG

Frontiers in Energy 2020, Volume 14, Issue 1, Pages 127-138 doi: 10.1007/s11708-020-0661-8

Abstract: length and hydraulic diameter on the hydraulic entrance length of laminar flow in superhydrophobic microchannelsNumerical investigations were performed for square microchannels with Re ranging between 0.1 and 1000It is found that superhydrophobic microchannels have a longer hydraulic entrance length than that ofA new correlation to predict the entrance length in square microchannels with different slip lengthsthat super hydrophobic microchannels have more significant advantages for heat transfer enhancement

Keywords： laminar flow hydraulic entrance length super hydrophobic surface slip length hydraulic diameter