Skip to main content

Dr. Ho Seon Ahn

Ho-Seon-Ahn

Head of Division of Thermal and Fluids Science

Part-time researcher

H-Index (Scopus): 22; Citation (Scopus): > 1430 


 

1. EDUCATION/TRAINING

  • Bachelor of Science, Mechanical Engineering, Pohang University of Science and Technology (POSTECH), Korea, 2006
  • Master, Mechanical Engineering / Thermal and fluid, Pohang University of Science and Technology (POSTECH), Korea, 2008
  • Ph.D. Mechanical Engineering / Thermal and fluid, Pohang University of Science and Technology (POSTECH), Korea, 2011

2. WORKING HISTORY

  • From 2013 to 2017: Assistant Professor, Incheon National University, Korea.
  • From 2017 to now: Associate Professor, Incheon National University, Korea.

3. RESEARCH INTERESTS

  • Heat and Mass transfer; 
  • Two phase flow;
  • Phage change heat transfer;
  • Wetting and capillary wicking;
  • Nano materials based on carbon and its applications.

4. RESEARCH PROJECTS

[19]. Development of graphene-based high performance adsorbent for removing low-concentration volatile organic compounds (VOCs) gas (Principal Investigator), Samsung Electronics, from 6/2017 (6 months) (Completed)

[18]. Study on Cooling Analysis of outside Wall of Reactor Vessel for Completely Loss of Nuclear Reactor Removal System (Sub Principal Investigator), National Research Foundation for Korea (NRF), from 4/2017 (60 months) (Ongoing)

[17]. Study on the Natural Circulation Boiling Flow in a Vented Flow Channel (Principal Investigator), National Research Foundation for Korea (NRF), from 9/2017 (60 months) (Ongoing)

[16]. Study of graphene tuning restraint and scaffold shape placement in loudspeaker enclosure for increased acoustical volume (Principal Investigator), Samsung Electronics, from 9/2017 (12 months) (Ongoing)

[15]. Development of highly heat-resistant / thermally conductive adhesive material based on modified silicate (Principal Investigator), National Research Foundation for Korea (NRF), from 4/2017 (36 months) (Ongoing)

[14]. Development of acoustic volume control technology in enclosure using 3D graphene (Principal Investigator), Samsung Electronics, from 9/2016 (6 months) (Completed)

[13]. Effects of Boiling Heat Transfer and Critical Heat Fluxes on Thermal Properties of Nuclear Fuel Surface Deposits (Principal Investigator), National Research Foundation for Korea (NRF), from 11/2016 (12 months) (Completed)

[12]. Developed metal separator porous body flow using 3D graphene (Principal Investigator), Hyundai Motors, from 11/2015 (6 months) (Completed)

[11]. Development of high-pressure heat exchanger for water-based heat pump system (Principal Investigator), Misitry of SMEs and Startups, from 12/2015 (24 months) (Completed)

[10]. Improvement of material properties and boiling heat transfer characteristics of 3D graphene structure using nanoparticle / graphene solution (Principal Investigator), National Research Foundation for Korea (NRF), from 11/2015 (36 months) (Ongoing)

[9]. Development of 3D graphene structure formation method by micro droplet jetting / superheating evaporation using spray and application of supercapacitor (Principal Investigator), National Research Foundation for Korea (NRF), from 11/2015 (24 months) (Completed)

[8]. Development of micro-bubble generating device using 3D printer (Principal Investigator), Misitry of SMEs and Startups, from 9/2015 (12 months) (Completed)

[7]. A Study on the Improvement of Cooling Capacity of Exterior Wall of Reactor for Detaining Inside of Core (Principal Investigator), National Research Foundation for Korea (NRF), from 6/2015 (12 months) (Completed)

[6]. Micro bubble generator development service (Principal Investigator), HC-Tech, from 05/2015 (12 months) (Completed)

[5]. Development of basic technology of graphene foam for application of ultra-small capacity battery (Principal Investigator), HC-Tech, from 01/2015 (18 months) (Completed)

[4]. Developed high performance air filter using active graphene (Principal Investigator), Hyundai Motors, from 12/2014 (6 months) (Completed)

[3]. Visualization of water distribution in GDL using 3D graphene (Principal Investigator), Korea Atomic Energy Research Institute (KAERI), from 12/2013 (6 months) (Completed)

[2]. Boiling heat transfer enhancement on graphene film (Principal Investigator), Korea Foundation for Advanced School and Creativity, from 9/2013 (6 months) (Completed)

[1]. Development of graphene micro-film and foam-type three-dimensional structure formation technique using boiling phenomenon (Principal Investigator), National Research Foundation (NRF), from 5/2012 (36 months) (Completed)

5. PUBLICATIONS

  • Journals: 

[55]. Ji Min Kim, ByeongTak Kong, Han-Bo-Ram Lee, Somchai Wongwises, Ho Seon Ahn, Effect of h-BN coating on nucleate boiling heat transfer performance in pool boiling, Experimental Thermal and Fluid Science, 98: 12-19, (2017) (ISI)

[54]. Kitti Nilpueng, Thawatchai Keawkamrop, Ho Seon Ahn, Somchai Wongwises, Effect of chevron angle and surface roughness on thermal performance of single-phase water flow inside a plate heat exchanger, International Communications in Heat and Mass Transfer, 91: 201-209, (2017) (ISI)

[53]. Ji Min Kim, Su Cheong Park, ByeongTak Kong, Han-Bo-Ram Lee, Ho Seon Ahn, Effect of porous graphene networks and micropillar arrays on boiling heat transfer performance, Experimental Thermal and Fluid Science, 93: 153-64, (2017) (ISI)

[52]. Ji Min Kim, Ji Hoon Kim, Chang Yeon Lee, Dong Wook Jerng, Ho Seon Ahn, Toluene and acetaldehyde removal from air onto graphene-base adsorbents with microsized pores, Journal of Hazardous Materials, 344: 458-465, (2017) (ISI)

[51]. Ji Hoon Kim, Ji Min Kim, Dong Wook Jerng, Eun Young Kim, Ho Seon Ahn, Effect of aluminum oxide and reduced graphene oxide mixture on critical heat flux enhancement, International Journal of Heat and Mass Transfer, 116: 858-870, (2017) (ISI)

[50]. Ji Min Kim, Ji Hoon Kim, Ho Seon Ahn, Hydrodynamics of nucleate boiling on downward surface with various orientation - Part I: departure diameter, frequency, and escaping speed of slug, International Journal of Heat and Mass Transfer, 116: 1341-1351, (2017) (ISI)

[49]. Ho Seon Ahn*, Dong Seok Shin*, Hyun Gu Kim*, Hu Young Jeong, Youn-Jung Kim, Dorj Odkhuu, N. Tsogbadrakh, Han-Bo-Ram Lee and Byung Hoon Kim, Distribution of oxygen functional groups of graphene oxide obtained from low-temperature atomic layer deposition of titanium oxide, RSC advances, 7: 13979, (2017) (ISI)

[48]. Ji Min Kim, Ji Hoon Kim, Moo Hwan Kim, Massoud Kaviany, Ho Seon Ahn, Nanocapillarity in graphene oxide laminate and its effect on critical heat flux, Journal of Heat Transfer, 139: 082402, (2017) (ISI)

[47]. TaeJoo Kim, Ji Min Kim, Ji Hoon Kim, Su Cheong Park, Ho Seon Ahn, Orientation Effects on Bubble Dynamics and Nucleate Pool Boiling Heat Transfer of Graphene-modified Surface, International Journal of Heat and Mass Transfer, 108: 1393-1405, (2017) (ISI)

[46]. Dong Eok Kim, Ho Seon Ahn, Tae-Soon Kwon, Experimental investigation of filmwise and dropwise condensation inside transparent circular tubes, Applied Thermal Engineering, 110: 412-423, (2017) (ISI)

[45]. Ho Seon Ahn*, Hyungdae Kim*, Ho Jae Kwak, Moo Hwan Kim, Dong Eok Kim, Boiling crisis controlled by capillary pumping and viscous friction: Liquid penetration length and dry spot diameter, Applied Physics Letters, 109: 243901, (2016) (ISI)

[44]. Ji Min Kim, Ji Hoon Kim, Su Cheong Park, Moo Hwan Kim, Ho Seon Ahn, Nucleate boiling in graphene oxide colloids: morphological change and critical heat flux enhancement, International Journal of Multiphase Flow, 85: 209-222, (2016) (ISI)

[43]. Su Cheong Park, Ji Min Kim, Moo Hwan Kim, Ho Seon Ahn, Boiling characteristics on a serpentine-like geometry thin-film platinum heater under pool boiling, International Journal of Heat and Mass Transfer, 95: 214-223, (2016) (ISI)

[42]. Jun-young Kang, Seol Ha Kim, HangJin Jo, Gunyeop Park, Ho Seon Ahn, Kiyofumi Moriyama, Moo Hwan Kim, Hyun Sun Park, Film boiling heat transfer on a completely wettable surface with atmospheric saturated distilled water quenching, International Journal of Heat and Mass Transfer, 93: 67-74, (2015) (ISI)

[41]. Dong Eok Kim, Dong In Yu, Su Cheong Park, Ho Jae Kwak, Ho Seon Ahn, Critical heat flux triggering mechanism on micro-structured surfaces: Coalesced bubble departure frequency and liquid furnishing capability, International Journal of Heat and Mass Transfer, 91: 1237-1247, (2015) (ISI)

[40]. Dong Eok Kim, Su Cheong Park, DongIn Yu, Moo Hwan Kim, Ho Seon Ahn, Enhanced critical heat flux by capillary driven liquid flow on the well-designed surface, Applied Physics Letters, 107: 023903, (2015) (ISI)

[39]. Dong In Yu, Ho Jae Kwak, Seung Woo Doh, Hiechan Kang, Ho Seon Ahn, Hyun Sun Park, Moriyama Kiyofumi,Moo Hwan Kim, Wetting and evaporation phenomena of water droplets on textured surfaces, International Journal of Heat and Mass Transfer, 90: 191-200, (2015) (ISI)

[38]. Dong In Yu, Seung Woo Doh, Ho Jae Kwak, Hiechan Kang, Ho Seon Ahn, Hyun Sun Park, Moriyama Kiyofumi, Moo Hwan Kim, Wetting state on hydrophobic and hydrophilic micro-textured syrfaces: Thermodynamics analysis and X-ray visualization, Applied Physics Letters, 106: 171602, (2015) (ISI)

[37]. Dong Eok Kim, Dong In Yu, Dong Wook Jerng, Moo Hwan Kim, Ho Seon Ahn, Review of boiling heat transfer enhancement on micro/nanostructured surfaces, Experimental Thermal and Fluid Science, 66: 173-196, (2015) (ISI)

[36]. Dong In Yu, Ho Jae Kwak, Seung Woo Doh, Ho Seon Ahn, Hyun Sun Park, Moriyama Kiyofumi, Moo Hwan Kim, Dynamics of contact line depinning during droplet evaporation based on thermodynamics, Langmuir, 31: 1950-1957, (2015) (ISI) 

[35]. HangJin Jo, Kyung Won Hwang, DongHyun Kim, Hyun Sun Park, Moo Hwan Kim, Ho Seon Ahn, Loss of superhydrophobicity of hydrophobic micro/nano structures during condensation, Scientific Reports, 5: 9901, (2015) (ISI)

[34]. HangJin Jo, Hyunwoo Noh, Massoud Kaviany, Ji Min Kim, Moo Hwan Kim, Ho Seon Ahn, Tunable, self-assembled 3D reduced graphene oxide structures fabricated via boiling, Carbon, 81: 357-366, (2015) (ISI)

[33]. Ho Seon Ahn, Ji Min Kim, Jin Man Kim, Su Cheong Park, Kyungwon Hwang, Hang Jin Jo, TaeJoo Kim, Massoud Kaviany and Moo Hwan Kim, Boiling characteristics on the reduced graphene oxide films, Experimental Thermal and Fluid Science, 60: 361-366, (2015) (ISI)

[32]. Seol Ha Kim, Ho Seon Ahn, Joonwon Kim, Moo Hwan Kim and Hyun Sun Park, Experimental study of water droplets on over-heated nano/microstructured zirconium surfaces, Nuclear Engineering and Design, 278: 367-376, (2014) (ISI)

[31]. Ho Seon Ahn, Jin Man Kim, TaeJoo Kim, Su Cheong Park, Ji Min Kim, Youngjae Park, Dong In Yu, Kyoung Won Hwang, Hang Jin Jo, Hyun Sun Park, Hyungdae Kim and Moo Hwan Kim, Enhanced heat transfer is dependent on thickness of graphene films: the heat dissipation during boiling, Scientific Reports, 4: 6276, (2014) (ISI)

[30]. Ji Min Kim, TaeJoo Kim, Ho Seon Ahn, Experimental study of transient boiling characteristics on three dimensional reduced graphene oxide network, Experimental Thermal and Fluid Science, 59: 51-55, (2014) (ISI)

[29]. Ji Min Kim, TaeJoo Kim, JongYul Kim, Moo Hwan Kim, Ho Seon Ahn, Effect of a graphene oxide coating layer on critical heat flux enhancement under pool boiling, International Journal of Heat and Mass Transfer, 77: 919-927, (2014) (ISI)

[28]. Ho Seon Ahn, Ji Min Kim, Massoud Kaviany and Moo Hwan Kim, Pool Boiling Experiments in Reduced Graphene Oxide Colloids Part II - Behavior after the CHF, and Boiling Hysteresis, International Journal of Heat and Mass Transfer, 78: 224-231, (2014) (ISI)

[27]. Ho Seon Ahn, Ji Min Kim, Massoud Kaviany and Moo Hwan Kim, Pool Boiling Experiments in Reduced Graphene Oxide Colloids Part I - Boiling Characteristics, International Journal of Heat and Mass Transfer, 74: 501-512, (2014) (ISI)

[26]. Seol Ha Kim, Jun Young Kang, Ho Seon Ahn, Hang Jin Jo and Moo Hwan Kim, Study of Leidenfrost Mechanism in Droplet Impacting on Hydrophillic and Hydrophobic surfaces, Internaional Journal of Air-Conditioning and Refrigeration, 21(4), (2013) (Scopus)

[25]. Ho Seon Ahn, Hyungmo Kim, Ji Min Kim, Su Cheong Park, Jin Man Kim, Joonwon Kim and Moo Hwan Kim, Controllable pore size of three dimensional self-assembled foam-like graphene and its wettability, Carbon, 64: 27-34, (2013) (ISI)

[24]. Ho Seon Ahn, Ji Min Kim, Chibeom Park, Ji-Wook Jang, Jae Sung Lee, Hyungdae Kim, Massoud Kaviany and Moo Hwan Kim, A novel role of three dimensional graphene foam to prevent heater failure during boiling, Scientific Reports, 3:1960, (2013) (ISI)

[23]. Seol Ha Kim, Ho Seon Ahn, Joonwon Kim, Massoud Kaviany and Moo Hwan Kim, Dynamics of water droplet on a heated nanotubes surface, Applied Physics Letters, 102: 233901, (2013) (ISI)

[22]. Ho Seon Ahn and Moo Hwan Kim, The boiling phenomenon of Alumina Nanofluid near Critical Heat Flux, International Journal of Heat and Mass Transfer, 62: 718-728, (2013) (ISI)

[21]. Ho Seon Ahn, Ji-Wook Jang, Minsu Seol, Ji Min Kim, Dong-Jin Yun, Chibeom Park, Hyungdae Kim, Duck Hyun Youn, Jae Young Kim, Gunyeop Park, Su Cheong Park, Jin Man Kim, Dong In Yu, Kijung Yong, Moo Hwan Kim and Jae Sung Lee, Self-assembled foam-like graphene networks formed through nucleate boiling, Scientific Reports, 3:1396, (2013) (ISI)

[20]. Soon Ho Kang, Ho Seon Ahn, Ji Min Kim, Hyeong Min Joo, Kwon-Yeong Lee, Kyoungwoo Seo, Dae Young Chi, Juhyeon Yoon, Gyoo Dong Jeun and Moo Hwan Kim, Experimental study of siphon breaking phenomenon in the real-scaled research reactor pool, Nuclear Engineering and Design, 255: 28-37, (2013) (ISI)

[19]. Ho Seon Ahn, Ji Min Kim and Moo Hwan Kim, Experimental study of the effect of a reduced graphene oxide coating on critical heat flux enhancement, International Journal of Heat and Mass Transfer, 60: 763-771, (2013) (ISI)

[18]. Chan Lee, Hyungmo Kim, Ho Seon Ahn, Moo Hwan Kim and Joonwon Kim, Micro/nanostructure evolution of zircaloy surface using anodization technique: Application to nuclear fuel cladding modification, Applied Surface Science, 258: 8724-8731, (2012) (ISI)

[17]. Ho Seon Ahn, Soon Ho Kang and Moo Hwan Kim, Visualized effect of alumina nanoparticles surface deposition on water flow boiling heat transfer, Experimental Thermal and Fluid Science, 37: 154-163, (2012) (ISI)

[16]. Ho Seon Ahn and Moo Hwan Kim, A review on critical heat flux enhancement with nanofluids and surface modification, Journal of Heat Transfer, 134: 024001, (2012) (ISI)

[15]. Ho Seon Ahn, Gunyeop Park, Ji Min Kim, Joonwon Kim and Moo Hwan Kim, The effect of water absorption on critical heat flux enhancement during pool boiling, Experimental Thermal and Fluid Science, 42: 187-195, (2012) (ISI)

[14]. Ho Seon Ahn, Soon Ho Kang, Chan Lee, Joonwon Kim and Moo Hwan Kim, The effect of liquid spreading due to micro structures of flow boiling critical heat flux, International Journal of Multiphase Flow, 43: 1-12, (2012) (ISI)

[13]. Ho Seon Ahn, Gunyeop Park, Joonwon Kim and Moo Hwan Kim, Wicking and spreading of water droplets on nanotubes, Langmuir, 28: 2614-2619, (2012) (ISI)

[12]. Ho Seon Ahn, Joonwon Kim and Moo Hwan Kim, Investigation of pool boiling critical heat flux enhancement on a modified surface through the dynamic wetting of water droplets, Journal of Heat Transfer, Vol.134, (2012) (ISI)

[11]. Ho Seon Ahn and Moo Hwan Kim, Visualization study of critical heat flux mechanism on a small and horizontal copper heater, International Journal of Multiphase Flow, 41: 1-12, (2012) (ISI)

[10]. Ho Seon Ahn, Chan Lee, Joonwon Kim and Moo Hwan Kim, The effect of capillary wicking action of micro/nano structures on pool boiling critical heat flux, International Journal of Heat and Mass Transfer, 55: 89-92, (2012) (ISI)

[9]. HangJin Jo, Ho Seon Ahn, SoonHo Kang and Moo Hwan Kim, A study of nucleate boiling heat transfer on hydrophilic, hydrophobic and heterogeneous wetting surfaces, International Journal of Heat and Mass Transfer, 54: 25-26, (2011) (ISI)

[8]. Ho Seon Ahn and Moo Hwan Kim, The effect of micro/nanoscale structures on CHF enhancement, Nuclear Engineering and Technology, Vol 43, (2011) (ISI)

[7]. Ho Seon Ahn, Hang Jin Jo, Soon Ho Kang and Moo Hwan Kim, Effect of Liquid Spreading due to nano/micro structures on the ciritcal heat flux during pool boiling, Applied Physics Letters, 98(7), (2011) (ISI)

[6]. Ho Seon Ahn, Soon Ho Kang, HangJin Jo, Hyungdae Kim and Moo Hwan Kim, Visualization study of the effects of nanoparticles surface deposition on convective flow boiling CHF from a short heated wall, International Journal of Multiphase Flow, 37(2): 215-228, (2011) (ISI)

[5]. Ho Seon Ahn, ChanLee, HyungdaeKim, HangJinJo, SoonHoKang, Joonwon Kim, Jeongseob Shin and Moo Hwan Kim, Pool boiling CHF enhancement by micro/nano scale modification of zircaloy-4 surface, Nuclear Engineering and Design, 240: 3350-3360, (2010) (ISI)

[4]. Kee-Hyeon Cho, Jaedal Lee, Ho Seon Ahn, Adrian Bejan and Moo Hwan Kim, Fluid flow and heat transfer in vascularized cooling plates, International Journal of Heat and Mass Transfer, 53: 3607-3614, (2010) (ISI)

[3]. Seontae Kim, Hyung Dae Kim, Hyungmo Kim, Ho Seon Ahn, Hangjin Jo, Joonwon Kim and Moo Hwan Kim, Effects of nano-fluid and surfaces with nano structure on the increase of CHF, Experimental Thermal and Fluid Science, 34(4): 487-495, (2010) (ISI)

[2]. Ho Seon Ahn, Hyungdae Kim, HangJin Jo, SoonHo Kang, WonPyo Chang and Moo Hwan Kim, Experimental study of critical heat flux enhancement during forced convective flow boiling of nanofluid on a short heated surface, International Journal of Multiphase Flow, 36: 375-384, (2010) (ISI)

[1]. Hyungdae Kim, Ho Seon Ahn and Moo Hwan Kim, On the mechanism of pool boiling critical heat flux enhancement in nanofluids, Journal of Heat Transfer, 132(6): 061501, (2010) (ISI)