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Laminar Flow

Laminar flow represents a smooth, orderly fluid motion where particles move along parallel paths, resulting in minimal mixing between layers. Streamlined particle paths characterize this flow regime and occur under conditions where viscous forces dominate over inertial forces. The distinction between laminar, transitional, and turbulent flow is primarily determined by the Reynolds number, a dimensionless quantity calculated as:
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Surface-dominant micro/nanofluidics for efficient green energy conversion.

Cong Wang1, Eunseok Seo2, Jungyul Park2

  • 1School of Mechanical Engineering and Electronic Information, China University of Geosciences (Wuhan), 388 Lumo Road, Wuhan 430074, China.

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|February 19, 2024
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Green energy conversion using micro/nanofluidics at liquid-solid interfaces is key for sustainable energy. This review covers nanoscale fabrication, mechanisms, and applications for efficient energy harvesting.

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Area of Science:

  • Physical Sciences
  • Chemical Engineering
  • Materials Science

Background:

  • Growing demand for sustainable energy drives interest in green energy conversion.
  • Micro/nanofluidic phenomena at liquid-solid interfaces (LSI) are vital for efficient energy conversion.
  • The electrical double layer significantly influences transport and reactions at LSI.

Purpose of the Study:

  • To review the progress in physical and chemical reaction-based green energy conversion at LSI.
  • To discuss nanoscale fabrication, mechanisms, applications, and limitations.
  • To explore future prospects and related research areas.

Main Methods:

  • Review of state-of-the-art research in green energy conversion at LSI.
  • Analysis of nanoscale fabrication techniques.
  • Examination of key mechanisms and applications.

Main Results:

  • Progress in physical and chemical reaction-based green energy conversion at LSI is summarized.
  • Key mechanisms, including the role of the electrical double layer, are highlighted.
  • Applications and limitations for practical implementation are discussed.

Conclusions:

  • LSI micro/nanofluidics offer significant potential for sustainable green energy conversion.
  • Further research is needed to overcome challenges and unlock new applications.
  • This field can inspire advancements in single-molecule studies and nanofluidic computing.