Reversed boiling curve phenomenon on surfaces with interlaced wettability | Zendy

Che-Chia Hsu | Zendy; Wei-Chi Chiu | Zendy; Long-Sheng Kuo | Zendy; PingHei Chen | Zendy

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Reversed boiling curve phenomenon on surfaces with interlaced wettability

Author(s) -

Che-Chia Hsu,

Wei-Chi Chiu,

Long-Sheng Kuo,

PingHei Chen

Publication year - 2014

Publication title -

aip advances

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.421

H-Index - 58

ISSN - 2158-3226

DOI - 10.1063/1.4897953

Subject(s) - wetting , superheating , boiling , contact angle , materials science , bubble , thermodynamics , flux (metallurgy) , chemistry , mechanics , composite material , metallurgy , physics

We experimentally investigated the effects of contact angle difference of heterogeneous wettability surfaces on pool boiling. For surfaces exhibiting heterogeneous wettability, this study determined that the pool boiling curve experiences a superheat decrease in some regions before the system achieves the critical heat flux. In addition, oscillation of the vapor column and bubble transverse motions on the heterogeneous wettability coated surface were observed

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