Synchrotron x-ray imaging visualization study of capillary-induced flow and critical heat flux on surfaces with engineered micropillars

Author:

Yu Dong In1ORCID,Kwak Ho Jae2ORCID,Noh Hyunwoo2,Park Hyun Sun3ORCID,Fezzaa Kamel4,Kim Moo Hwan23ORCID

Affiliation:

1. Department of Mechanical Design Engineering, Pukyong National University, 365, Sinseon-ro, Nam-Gu, Busan 48547, Republic of Korea.

2. Department of Mechanical Engineering, Pohang University of Science and Technology, 77, Cheongam-Ro, Nam-Gu, Pohang 37673, Republic of Korea.

3. Division of Advanced Nuclear Engineering, Pohang University of Science and Technology, 77, Cheongam-Ro, Nam-Gu, Pohang 37673, Republic of Korea.

4. Advanced Photon Source, Argonne National Laboratory, 9700 South Cass Avenue, Argonne, IL 60439, USA.

Abstract

The capillary-induced flow underneath nucleate bubbles is visualized on microtextured surfaces via synchrotron x-ray imaging.

Funder

U.S. Department of Energy

National Research Foundation of Korea

Publisher

American Association for the Advancement of Science (AAAS)

Subject

Multidisciplinary

Reference46 articles.

1. On the transition to film boiling under natural convection;Kutateladze S. S.;Kotloturbostroenie,1948

2. N. Zuber “Hydrodynamic aspects of boiling heat transfer ” thesis UCLA (1959).

3. A new hydrodynamic model of critical heat flux, applicable widely to both pool and forced convection boiling on submerged bodies in saturated liquids;Haramura Y.;Int. J. Heat Mass Transf.,1983

4. The boiling crisis phenomenon: Part II: Dryout dynamics and burnout;Theofanous T. G.;Exp. Therm. Fluid Sci.,2002

5. Unifying the controlling mechanisms for the critical heat flux and quenching: The ability of boiling mechanisms;Unal C.;Int. J. Heat Mass Transf.,1992

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