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Updated: Apr 27, 2026

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Single-bubble dynamics in pool boiling of one-component fluids.

Xinpeng Xu1, Tiezheng Qian2

  • 1Department of Mathematics, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong.

Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|July 15, 2014
PubMed
Summary
This summary is machine-generated.

Surface wettability significantly impacts single-bubble dynamics during pool boiling. Patterned surfaces enhance heat transfer by controlling bubble nucleation and departure, preventing transition to less efficient film boiling.

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Area of Science:

  • Fluid Dynamics
  • Heat Transfer
  • Surface Science

Background:

  • Pool boiling is a critical heat transfer mechanism.
  • Understanding single-bubble dynamics is key to optimizing heat transfer efficiency.
  • Surface wettability plays a crucial role in boiling phenomena.

Purpose of the Study:

  • To numerically investigate the effects of surface wettability on single-bubble dynamics in pool boiling.
  • To explore how homogeneous and patterned surfaces influence bubble behavior and heat transfer.
  • To analyze the transition from nucleate boiling to film boiling.

Main Methods:

  • Utilized dynamic van der Waals theory, a diffuse-interface model.
  • Performed numerical simulations for bubble dynamics on homogeneous and patterned surfaces.
  • Investigated liquid-vapor phase transition in nonuniform temperature fields.

Main Results:

  • Increased contact angle or superheating enhances bubble spreading and departure diameter on homogeneous surfaces, facilitating film boiling.
  • Patterned surfaces with central hydrophobic and surrounding hydrophilic regions increase nucleation probability but hinder spreading, reducing departure diameter.
  • Patterned surfaces prevent transition to film boiling and enhance heat transfer efficiency.
  • Demonstrated stick-slip motion of the contact line on patterned surfaces.

Conclusions:

  • Surface wettability is a critical parameter for controlling bubble dynamics and heat transfer in pool boiling.
  • Patterned surfaces offer a promising strategy for enhancing nucleate boiling performance by managing bubble nucleation and departure.
  • The findings provide insights into optimizing heat transfer surfaces for various applications.