Fluid drag-reducing effect and mechanism of superhydrophobic

  title={Fluid drag-reducing effect and mechanism of superhydrophobic},
  author={Jian Zhang and Zhanhu Yao and P. Hao and Hanqin Tian and Na Jiang and th Micro},
In this paper, drag-reducing property and mechanism of superhydrophobic surface are investigated. Superhydrophobic surfaces with micro-nano textures were fabricated and tested using SEM and contact angle measurement. Experiments on a channel and a flat plate with superhydrophobic surface were conducted separately. For the channel flow, the drag was acquired by measuring the pressure loss. A 54% drag reduction was found both in laminar and turbulent flow over Re range from 500 to 5000. For flow… CONTINUE READING


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