期刊
EXPERIMENTAL HEAT TRANSFER
卷 32, 期 6, 页码 566-583出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/08916152.2018.1559262
关键词
metallic surface; laser ablation; nucleate boiling; heat flux; heat transfer coefficients
The present paper reports the experimental investigation of pool boiling heat transfer on multiscale functionalized copper surfaces. Multiscale functionalized surfaces are fabricated by employing the nano-second laser surface process (NLSP) technique. The heat transfer coefficients (HTCs) of functionalized surfaces are estimated experimentally by using water and acetone as pool liquid. Tests are performed at atmospheric pressure, and saturated pool boiling condition with heat flux varyies between 0 and 330 kW/m(2). The maximum HTCs for functionalized surface and reference polished surface were found to be 41,500 W/m(2)K and 23,000 W/m(2)K, respectively, with water and 22,000 W/m(2)K and 14,000 W/m(2)K, respectively, with acetone.
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