Heat and Mass Transfer

, 45:55 | Cite as

Pool boiling enhancement with surface treatments

  • Yoon-Ho Kim
  • Kyu-Jung LeeEmail author
  • Donghyouck Han


Pool boiling heat transfer characteristics on treated surfaces were investigated experimentally. Surface treatments were performed with sandpapers, building micro structures by etching, and micro-porous coating. Copper blocks of 20 mm × 20 mm were used as test sections and PF5060 was used as a working fluid. The effect of wall superheat (0–35 K), surface orientation (0°, 45°, 90°), and subcooling (0, 5, 10 K) on treated surfaces were also investigated. Heat transfer performance on inclined surface was better than that of horizontal surface in all test sections. Because bubble generation was suppressed by subcooling, higher wall superheat was needed to initiate boiling in all surfaces. Micro-porous coated surface showed the highest heat transfer enhancement among tested surfaces.


Heat Transfer Test Section Critical Heat Flux Boiling Heat Transfer Heat Transfer Surface 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

List of symbols


Pressure (Pa)


Temperature (K)


Saturation temperature (K)


Wall temperature (K)



This work was supported by KOSEF grant R01-2002-000-00481-0.


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Copyright information

© Springer-Verlag 2008

Authors and Affiliations

  1. 1.Department of Mechanical EngineeringKorea UniversitySeoulSouth Korea
  2. 2.Institute of Advanced Machinery DesignKorea UniversitySeoulSouth Korea

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