Significant and stable drag reduction with air rings confined by alternated superhydrophobic and hydrophilic strips

Haibao Hu; Jun Wen; Luyao Bao; Laibing Jia; Dong Song; Baowei Song; Guang Pan; Michele Scaraggi; Daniele Dini; Qunji Xue; Feng Zhou

doi:10.1126/sciadv.1603288

Research ArticleMATERIALS SCIENCE

Significant and stable drag reduction with air rings confined by alternated superhydrophobic and hydrophilic strips

Haibao Hu¹,*,
Jun Wen¹,
Luyao Bao¹,
Laibing Jia¹,
Dong Song¹,
Baowei Song¹,
Guang Pan¹,
Michele Scaraggi²,³,
Daniele Dini³,*,
Qunji Xue⁴ and
Feng Zhou⁴,*

¹School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.
²Department of Engineering for Innovation, Universitá del Salento, 73100 Monteroni-Lecce, Italy.
³Department of Mechanical Engineering, Imperial College London, South Kensington Campus, Exhibition Road, London SW7 2AZ, UK.
⁴State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.

↵*Corresponding author. Email: huhaibao{at}nwpu.edu.cn (H.H.); d.dini{at}imperial.ac.uk (D.D.); zhouf{at}licp.cas.cn (F.Z.)

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Science Advances 01 Sep 2017:
Vol. 3, no. 9, e1603288
DOI: 10.1126/sciadv.1603288

Haibao Hu

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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For correspondence: huhaibao@nwpu.edu.cn d.dini@imperial.ac.uk zhouf@licp.cas.cn

Jun Wen

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Luyao Bao

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Laibing Jia

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Dong Song

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Baowei Song

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Guang Pan

School of Marine Science and Technology, Northwestern Polytechnical University, Xi’an 710072, China.

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Michele Scaraggi

Department of Engineering for Innovation, Universitá del Salento, 73100 Monteroni-Lecce, Italy.Department of Mechanical Engineering, Imperial College London, South Kensington Campus, Exhibition Road, London SW7 2AZ, UK.

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Daniele Dini

Department of Mechanical Engineering, Imperial College London, South Kensington Campus, Exhibition Road, London SW7 2AZ, UK.

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ORCID record for Daniele Dini
For correspondence: huhaibao@nwpu.edu.cn d.dini@imperial.ac.uk zhouf@licp.cas.cn

Qunji Xue

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.

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Feng Zhou

State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, China.

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For correspondence: huhaibao@nwpu.edu.cn d.dini@imperial.ac.uk zhouf@licp.cas.cn

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