Separate effects of surface roughness, wettability, and porosity on the boiling critical heat flux

被引:283
|
作者
O'Hanley, Harry [1 ]
Coyle, Carolyn [1 ]
Buongiorno, Jacopo [1 ]
McKrell, Tom [1 ]
Hu, Lin-Wen [2 ]
Rubner, Michael [3 ]
Cohen, Robert [4 ]
机构
[1] MIT, Dept Nucl Sci & Engn, Cambridge, MA 02139 USA
[2] MIT, Nucl Reactor Lab, Cambridge, MA 02139 USA
[3] MIT, Dept Mat Sci & Engn, Cambridge, MA 02139 USA
[4] MIT, Dept Chem Engn, Cambridge, MA 02139 USA
关键词
D O I
10.1063/1.4813450
中图分类号
O59 [应用物理学];
学科分类号
摘要
The separate effects of surface wettability, porosity, and roughness on the critical heat flux (CHF) of water were examined using engineered surfaces. Values explored were 0, 5, 10, and 15 mu m for R-z (roughness), <5 degrees, similar to 75 degrees, and >110 degrees for static contact angle (wettability), and 0 and 50% for pore volume fraction. The porous hydrophilic surface enhanced CHF by 50%-60%, while the porous hydrophobic surface resulted in a reduction of CHF by 97%. Wettability had little effect on the smooth non-porous surface CHF. Surface roughness (R-a, R-q, R-z) had no effect on CHF within the limit of this database. (C) 2013 AIP Publishing LLC.
引用
收藏
页数:5
相关论文
共 50 条
  • [21] Critical heat flux enhancement of pool boiling with adaptive fraction control of patterned wettability
    Lee, Jung Shin
    Lee, Joon Sang
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2016, 96 : 504 - 512
  • [22] Effects of surface orientation and heater material on heat transfer coefficient and critical heat flux of nucleate boiling
    Mei, Yong
    Shao, Yiqiong
    Gong, Shengjie
    Zhu, Yechen
    Gu, Hanyang
    INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, 2018, 121 : 632 - 640
  • [23] EFFECTS OF HEATER MATERIAL AND SURFACE ORIENTATION ON HEAT TRANSFER COEFFICIENT AND CRITICAL HEAT FLUX OF NUCLEATE BOILING
    Mei, Yong
    Zhu, Yechen
    Zhang, Botao
    Gong, Shengjie
    Gu, Hanyang
    PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2017, VOL 6, 2017,
  • [24] EFFECTS OF HYDROPHOBIC SURFACE PATTERNING ON BOILING HEAT TRANSFER AND CRITICAL HEAT FLUX OF WATER AT ATMOSPHERIC PRESSURE
    Coyle, Carolyn
    O'Hanley, Harry
    Phillips, Bren
    Buongiorno, Jacopo
    McKrell, Thomas
    PROCEEDINGS OF THE ASME POWER CONFERENCE, 2013, VOL 2, 2014,
  • [25] Parametric Effects on Pool Boiling Heat Transfer and Critical Heat Flux: A Critical Review
    Emir, Tolga
    Ourabi, Hamza
    Budakli, Mete
    Arik, Mehmet
    JOURNAL OF ELECTRONIC PACKAGING, 2022, 144 (04)
  • [26] Effects of surface roughness on wettability
    Nakae, H
    Inui, R
    Hirata, Y
    Saito, H
    ACTA MATERIALIA, 1998, 46 (07) : 2313 - 2318
  • [27] THE EFFECT OF NANOSCALE SURFACE MODIFICATION ON BOILING HEAT TRANSFER AND CRITICAL HEAT FLUX
    Kim, Moo Hwan
    PROCEEDINGS OF THE 8TH INTERNATIONAL CONFERENCE ON NANOCHANNELS, MICROCHANNELS AND MINICHANNELS, 2010, PTS A AND B, 2011, : 1401 - 1409
  • [28] Geometrical effects on the subcooled flow boiling critical heat flux
    Celata, GP
    Cumo, M
    Mariani, A
    REVUE GENERALE DE THERMIQUE, 1997, 36 (11): : 807 - 814
  • [30] Pool boiling heat transfer of water and nanofluid outside the surface with higher roughness and different wettability
    Ji, Wen-Tao
    Zhao, Peng-Fei
    Zhao, Chuang-Yao
    Ding, Jing
    Tao, Wen-Quan
    NANOSCALE AND MICROSCALE THERMOPHYSICAL ENGINEERING, 2018, 22 (04) : 296 - 323