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Related Experiment Video

Updated: May 14, 2026

Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM
10:06

Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM

Published on: July 10, 2014

"Elastic Matrix-Surface Microstructure-Mucus Lubrication" Multiscale Biomimetic Fish Scale Coating: Design and

Yushuai Cheng1, Zhengke Wang1

  • 1MOE Key Laboratory of Macromolecular Synthesis and Functionalization, Department of Polymer Science and Engineering, Zhejiang University, Hangzhou 310058, China.

Langmuir : the ACS Journal of Surfaces and Colloids
|May 12, 2026
PubMed
Summary
This summary is machine-generated.

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A novel biomimetic coating mimics fish scales to reduce ship drag by 17.4%. This multiscale coating combines an elastic matrix, surface microstructures, and mucus lubrication for enhanced ship energy efficiency.

Area of Science:

  • Materials Science
  • Fluid Dynamics
  • Naval Architecture

Background:

  • Ship energy efficiency is crucial for global energy transition and carbon reduction.
  • Traditional drag reduction methods have limitations, including high energy consumption, environmental risks, and operational dependency.
  • There is a need for innovative drag reduction technologies beyond conventional approaches.

Purpose of the Study:

  • To design and fabricate a multiscale biomimetic fish scale drag reduction coating (MCPU).
  • To address limitations of existing drag reduction methods by integrating multiple mechanisms.
  • To enhance ship energy efficiency through a novel biomimetic approach.

Main Methods:

  • Fabrication of an elastic polyurethane matrix using hydroxy-terminated trifluoropropyl methyl siloxane (HFPMOS) and isophorone diisocyanate (IPDI).

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Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix
09:13

Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix

Published on: July 10, 2020

Related Experiment Videos

Last Updated: May 14, 2026

Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM
10:06

Characterization Of Multi-layered Fish Scales (Atractosteus spatula) Using Nanoindentation, X-ray CT, FTIR, and SEM

Published on: July 10, 2014

Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix
09:13

Macro-Rheology Characterization of Gill Raker Mucus in the Silver Carp, Hypophthalmichthys molitrix

Published on: July 10, 2020

  • Creation of surface micro/nanostructures using SiO2 nanoparticles in a coffee-ring formation.
  • Impregnation with silicone oil within microcapsules and the matrix to simulate fish mucus lubrication.

    • Main Results:

    • The MCPU coating successfully mimics the flexibility and energy dissipation of fish scales.
    • The coating integrates elastic matrix, surface microstructure, and mucus lubrication mechanisms.
    • A drag reduction rate of 17.4% was achieved for a small boat model using the MCPU coating.

    Conclusions:

    • The MCPU coating demonstrates significant potential for enhancing ship energy efficiency.
    • The multiscale biomimetic design offers a promising solution for overcoming limitations of traditional drag reduction technologies.
    • This approach contributes to sustainable shipping practices by reducing energy consumption and environmental impact.