▶ 학력

- (2020.02) Ph.D. Mechanical Engineering, POSTECH 

- (2014.02) B.S. Mechanical Engineering, Hanyang University 

▶ 경력

- (2022.03 – present) Assistant Professor, Korea National University of Transportation, South Korea

- (2021.10 – 2022.02) Postdoc fellow, Centre national de la recherche scientifique (CNRS), France

- (2020.02 – 2021.05) Postdoc fellow, POSTECH, South Korea

- (2017.03 – 2017.12) Visiting researcher, Asan medical center, South Korea

▶ 연구업적

- Fluid-Structure Interactions, Hemodynamics, Bio-micro fluidics, Drag reduction, Two-phase flow, Turbulence

▶ 출판

1J.H. Park, E. Seo, W. Choi, H.J., S.J. Lee, “Ultrasound deep learning for monitoring of flow-vessel dynamics in murine carotid”, Ultrasonics, 120, 106636, 2021

2S. Heo, W. Choi, S.J. Lee, “Enhanced air stability of ridged superhydrophobic surface with nanostructure”, AIP Advances, 11, 105209, 2021

3H.N. Kim, S.J. Kim, W. Choi, H.J. Sung, S.J. Lee, “Depletion of lubricant impregnated in a cavity of lubricant-infused surface”, Physics of Fluids, 33, 022005, 2021

4W. Choi, J.Y. Park, M.S. Kang, H. E. Jeong, S.J. Lee, “Enhanced air stability of superhydrophobic surfaces with flexible overhangs of re-entrant structures”, Physics of Fluids, 33, 022001, 2021

5J. Kang, D. Kim, Y. Lee, W. Choi, S.J. Lee, D.H. Yang, H. Ha, “Fluid-dynamic effect of pannus formation around the prosthetic heart valve: in vitro demonstration using a heart-mimic pulsatile pump and particle image velocimetry”, Journal of Mechanical Science and Technology, 35, 209, 2021

6S.J. Lee, S. Huh, G. Yoon, E. Seo, W. Choi, “Effects of surface morphological structure of a brown alga miyeok (Undaria Pinnatifida) on sustainable drag reduction, AIP Advances, 10, 125123, 2020  

7W. Choi, J.H. Park, S.J. Lee, “Flow induced stress on vulnerable stenosis in tandem stenosed vessels”, Physics of Fluids, 32, 101904, 2020

8W. Choi, J.H. Park, H. Ha, S.J. Lee, “Flow induced deformation of vulnerable stenosis under pulsatile flow condition”, Physical Review Fluids, 5, 043101, 2020

9J.H. Park, W. Choi, S.J. Lee, “Adaptive hybrid flow measurement of color Doppler and speckle image velocimetry”, Ultrasonics, 104, 106093, 2020  

10W. Choi, H. Byeon, J.Y. Park, S.J. Lee, “Effects of pressure gradient on stability and drag reduction of superhydrophobic surfaces”, Applied Physics Letters, 114, 101603, 2019  

11S.J. Lee, H.N. Kim, W. Choi, G.Y. Yoon, “A nature-inspired lubricant-infused surface for sustainable drag reduction”, Soft Matter, 15, 8459-8467, 2019  

12J.H. Park, W. Choi, G.Y. Yoon, S.J. Lee, “Deep learning-based supe-resolution ultrasound speckle tracking velocimetry”, Ultrasound in Medicine & Biology, in press, 2019  

13H. Ha, H. Kang, H. Huh, W. Choi, H.J. Koo, J. Kwon, K.J. Park, Y.C. Cho, S.J. Lee, N. Kim, D.H. Yang, “Accuracy evaluation of blood flow distribution in the Fontan circulation: effects of resolution and velocity noise”, Journal of Visualization, 22, 245-257, 2019 

14W. Choi, J.H. Park, H. Byeon, S.J. Lee, “Flow characteristics around a deformable stenosis under pulsatile flow condition” Physics of Fluids, 30, 011902, 2018

15W. Choi, S.H. Park, H.K. Huh, S.J. Lee, “Hemodynamic characteristics of flow around a deformable stenosis”, Journal of Biomechanics, 61, 216-223, 2017

16E. Yeom, H.M. Kim, J.H. Park, W. Choi, J. Doh, S.J. Lee, “Microfluidic system for monitoring temporal variations of hemorheological properties and platelet adhesion in LPS-injected rats”, Scientific Reports, 7, 1801, 2017

17W. Choi, H.M. Kim, S. Park, E. Yeom, J. Doh, S.J. Lee, “Variation in wall shear stress in channel networks of zebrafish models”, Journal of the Royal Society Interface, 14, 20160900, 2017

18H.K. Huh, W. Choi, H. Ha, S.J. Lee, “Flow characteristics around proximal and distal stenoses in a series of tandem stenosed vessels”, Journal of Biomechanics, 49, 2960-2967, 2016

19S.J. Lee, W Choi, E. Seo, E. Yeom, “Association of early atherosclerosis with vascular wall shear stress in hypercholesterolemic zebrafish”, PLoS ONE, 10, e0142945, 2015

20H. Ha, W. Choi, S.J. Lee, “Beneficial fluid-dynamic features of pulsatile swirling flow in 45° end-to-side anastomosis”, Medical Engineering and Physics, 37, 272-279, 2015

21H. Ha, W. Choi, H. Park, S.J. Lee, “Effect of swirling blood flow on vortex formation at post-stenosis”, Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, 229, 175-183, 2015

22H. Ha, D. Hwang, W. Choi, J. Baek, S.J. Lee, “Fluid-dynamic optimal design of helical vascular graft for stenotic disturbed flow”, PLoS ONE, 9, e111047, 2014 

23H. Ha, W. Choi, H. Park, S.J. Lee, “Advantageous swirling flow in 45° end-to-side anastomosis”, Experiments in Fluids, 55, 1861, 2014

▶ Selected conference presentations

1.Choi, W, Lee, S.J., “Drag reduction and stability of superhydrophobic surface with flexible re-entrant structure”, 2020 Annual Meeting of the American Physical Society_Divison of Fluid Dynamics (virtual), CHICAGO, USA, Nov. 22 – 24, 2020.

2.Choi, W, Lee, S.J., “Hemodynamic characteristics of blood flows around a deformable stenosis”, ASME-JSME-KSME Joint Fluids Enginnering Conference, San Francisco, USA, Jul. 28 – Aug. 1, 2017.

3.Choi, W, Lee, S.J., “Hemodynamic characteristics around deformable stenoses”, The 12th International Symposium on Particle Image Velocimetry, Busan, Korea, Jun. 19 – 21, 2017.

4.Choi, W, Yeom, E., Seo, E., Lee, S.J., “Vascular wall shear stress in zebrafish model of early atherosclerosis”, The 69th Annual Meeting of the American Physical Society_Divison of Fluid Dynamics, Portland, USA, Nov. 20 – 22, 2016.

5.Choi, W, Lee, S.J., “Hemodynamic characteristics of deformable stenoses”, The 6th Asian Joint Workshop on Thermophysics and Fluid Science, Guilin, China, Sep. 20 – 23, 2016.