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Journal Articles

Nanocapillarity in Graphene Oxide Laminate and Its Effect on Critical Heat Flux

Ji Min Kim, Ji Hoon Kim, Moo Hwan Kim, Massoud Kaviany, Ho Seon Ahn
Journal: Journal of Heat Transfer
Article Type: Research-Article
J. Heat Transfer. August 2017, 139(8): 082402.
Paper No: HT-16-1525
DOI: https://doi.org/10.1115/1.4036282
Published Online: April 25, 2017
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Topics: Critical heat flux, Laminates, Water, Graphene, Boiling
Includes: Supplementary data
Proceedings Papers

MHF (Minimum Heat Flux) Point on Anodized Zirconium Surface During Quenching

Jun-young Kang, Seol Ha Kim, HangJin Jo, Ho Seon Ahn, Moo Hwan Kim, Hyun Sun Park
Proc. ASME. ICNMM2014, ASME 2014 12th International Conference on Nanochannels, Microchannels and Minichannels, V001T14A001, August 3–7, 2014
Paper No: ICNMM2014-21461
DOI: https://doi.org/10.1115/ICNMM2014-21461
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Topics: Heat flux, Quenching (Metalworking), Zirconium, Wetting, Dynamics (Mechanics), Film boiling, Furnaces, Radiation (Physics), Temperature, Vapors
Proceedings Papers

Dynamics of a Water Droplet on the Heated Surface of Nano- and Micro-Structures

Seol Ha Kim, Ho Seon Ahn, Joonwon Kim, Moo Hwan Kim
Proc. ASME. ICNMM2012, ASME 2012 10th International Conference on Nanochannels, Microchannels, and Minichannels, 751-760, July 8–12, 2012
Paper No: ICNMM2012-73316
DOI: https://doi.org/10.1115/ICNMM2012-73316
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Topics: Drops, Dynamics (Mechanics), Water, Temperature, Zirconium alloys, Nanostructures , Nanotubes, Nucleate boiling, Photography, Wetting
Journal Articles

Investigation of Pool Boiling Critical Heat Flux Enhancement on a Modified Surface Through the Dynamic Wetting of Water Droplets

Ho Seon Ahn, Joonwon Kim, Moo Hwan Kim
Journal: Journal of Heat Transfer
Article Type: Evaporation, Boiling, and Condensation
J. Heat Transfer. July 2012, 134(7): 071504.
DOI: https://doi.org/10.1115/1.4006113
Published Online: May 24, 2012
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Topics: Critical heat flux, Drops, Evaporation, Pool boiling, Water, Wetting, Zirconium alloys, Temperature, Wall temperature, Vapors
Journal Articles

A Review on Critical Heat Flux Enhancement With Nanofluids and Surface Modification

Ho Seon Ahn, Moo Hwan Kim
Journal: Journal of Heat Transfer
Article Type: Technology Review
J. Heat Transfer. February 2012, 134(2): 024001.
DOI: https://doi.org/10.1115/1.4005065
Published Online: December 19, 2011
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Topics: Boiling, Critical heat flux, Nanofluids, Nanoparticles, Pool boiling, Heat transfer, Water
Proceedings Papers

Experimental Study of Nucleate Boiling Performance on Several Types of the Mixed-Wettability Pattern Surface by Micro/Milli-Sized Hydrophobic Patterns

HangJin Jo, Soon Ho Kang, Ho Seon Ahn, Moo Hwan Kim
Proc. ASME. ICNMM2010, ASME 2010 8th International Conference on Nanochannels, Microchannels, and Minichannels: Parts A and B, 115-120, August 1–5, 2010
Paper No: FEDSM-ICNMM2010-30428
DOI: https://doi.org/10.1115/FEDSM-ICNMM2010-30428
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Topics: Nucleate boiling, Heat transfer, Bubbles, Critical heat flux, Heart failure, Heating, Silicon, Boiling, Design, Furnaces
Proceedings Papers

Pool Boiling CHF Enhancement on a Zircaloy-4 Surface With Micro/Nano Scale Modification

Ho Seon Ahn, Chan Lee, Hyungdae Kim, Hang Jin Jo, Soon Ho Kang, Joonwon Kim, Moo Hwan Kim
Proc. ASME. MNHMT2009, ASME 2009 Second International Conference on Micro/Nanoscale Heat and Mass Transfer, Volume 1, 525-531, December 18–21, 2009
Paper No: MNHMT2009-18311
DOI: https://doi.org/10.1115/MNHMT2009-18311
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Topics: Critical heat flux, Pool boiling, Nanoparticles, Surface finishing, Economics , Heating, Nanofluids, Nuclear power stations, Safety, Thermal systems
Proceedings Papers

Experimental Study of Boiling Phenomena by Micro/Milli Hydrophobic Dot on the Silicon Surface in Pool Boiling

Hang Jin Jo, Hyungmo Kim, Ho Seon Ahn, Seontae Kim, Soon Ho Kang, Joonwon Kim, Moo Hwan Kim
Proc. ASME. ICNMM2009, ASME 2009 7th International Conference on Nanochannels, Microchannels and Minichannels, 93-97, June 22–24, 2009
Paper No: ICNMM2009-82221
DOI: https://doi.org/10.1115/ICNMM2009-82221
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Topics: Boiling, Pool boiling, Silicon, Critical heat flux, Heart failure, Heating, Bubbles, Heat transfer coefficients, Nanofluids, Nanoparticles
Journal Articles

On the Mechanism of Pool Boiling Critical Heat Flux Enhancement in Nanofluids

Hyungdae Kim, Ho Seon Ahn, Moo Hwan Kim
Journal: Journal of Heat Transfer
Article Type: Research Papers
J. Heat Transfer. June 2010, 132(6): 061501.
DOI: https://doi.org/10.1115/1.4000746
Published Online: March 25, 2010
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Topics: Boiling, Critical heat flux, Evaporation, Nanofluids, Nanoparticles, Pool boiling, Water, Wetting, Heat transfer
Proceedings Papers

Experimental Investigation of Critical Heat Flux Enhancement by Micro/Nanoscale Surface Modification in Pool Boiling

Seontae Kim, Hyungmo Kim, Hyung Dae Kim, Ho Seon Ahn, Moo Hwan Kim, Joonwon Kim, Goon-Cherl Park
Proc. ASME. ICNMM2008, ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels, 669-675, June 23–25, 2008
Paper No: ICNMM2008-62289
DOI: https://doi.org/10.1115/ICNMM2008-62289
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Topics: Critical heat flux, Nanoscale phenomena, Pool boiling, Nanoparticles, Capillarity, Nanofluids, Boiling, Design, Fluids, Fractals