1. Yonduck Sung
Education
- Ph.D. - The University of Texas at Austin, Austin, TX
• Advisor: Dr. Venkat Raman
• Thesis: Large eddy simulation of TiO2 nanoparticle evolution in
turbulent flames
- M.S. - Carnegie Mellon University, Pittsburgh, PA
• Advisor: Dr. Qiao Lin
• Thesis: A new room-temperature bonding technique using an
ultrathin poly(dimethylsiloxane) (PDMS) intermediate layer for
fabrication of micro/nanochannels
- B.S. - Yonsei University, Seoul, South Korea
- All in Mechanical Engineering

2. Related research experience
Multiphase turbulent reactive
flows
Normalized particle volume
1. Study of synthesis of solid TiO2
nanoparticles in a turbulent flame
• Goal: A reliable computational model and
tool for industrial TiO2 flame synthesis
process
• Model: LES + flamelet-based detailed
chemistry + 2D population balance
• Achievements:
CQMOM Exp.
‣ First application of LES-based model with
Dpp (nm) 61 100~105
detailed chemistry and 2D population balance
SSA (m2/g) 25 15
‣ Better understanding of particle evolution
‣ Accurate prediction of flame T and reasonable prediction of TiO2 particle
characteristics

3. Related research experience (continued)
2. Study of TiO2 chemistry in flow
field
• Goal: A further study of TiO2 + combustion
chemistry to compare the flamelet model
used in previous LES-based model
• Model: 2D DNS + reduced detailed
chemistry + isotropic turbulence
Mass fraction of TiO2
• Achievement: First study of TiO2 detailed
B
chemistry and reaction paths under
turbulence (on going)
B
3. Turbulent spray flames
• Goal: Simulation of flame synthesis of TiO2
A
in a turbulent spray flame
• Model: DNS + liquid spray + population A
balance
• Achievement: First spray flame simulation TiO2 particle number density
Quadrature approximated
of TiO2 flame synthesis process number density distribution

4. Related research experience (continued)
Other studies
- Mixing of jet in a crossflow
• Study the effect of jet exit geometry and
velocity profile on mixing mechanism of a
jet in a crossflow stream using DNS
- Conversion of H2 from HC fuel
• Preliminary study of H2 conversion
50% Air + 50%H2O (1500K)
efficiency from HC + high-T H2O rich air 100% CH4 (300K) D
mixture
Experiment experience Mole fraction of H2
- Laminar flame speed measurement
- MEMS-based device design and
fabrication

5. Background knowledge and skills
Involved in various projects that are applicable
to GE numerical combustion lab
Ample experience and knowledge in various
turbulent combustion models
Familiar with related computational tools
- Fluent, Chemkin
- Matlab
- Fortran, C/C++, MPI, OpenMP, Unix/Linux shell script