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2026

Metamaterials and Fluid Flows

Avallone, F., Bosia, F., Chen, Y., Colombo, G., Craster, R., De Ponti, J. M., Fabbiane, N., Haberman, M. R., Hussein, M. I., Hwang, W., Iemma, U., Juhl, A., Kadic, M., Kotsonis, M., Laude, V., Marquet, O., Mery, F., Michelis, T., Nouh, M., Ragni, D., Touboul, M., Wegener, M., & Krushynska, A. O.
Nature Communications, , , (2026).

Investigation of 3D flow interaction between intersecting lattice channels within a trapezoidal duct

Lee, H., Hong, J., Han, K., Park, H., & Hwang, W.
International Journal of Heat and Mass Transfer, 264, 128719, (2026).

2025

Equilibrium shapes and dynamics of pendant drops within a uniform vertical flow

Lee, J., & Hwang, W.
Journal of Fluid Mechanics, 1020, A42, (2025).

Experimental investigation of turbulent and laminar flow regimes in a supersonic free jet under near-vacuum conditions

Park, H., Lee, S., & Hwang, W.
Journal of Fluid Mechanics, 1014, A12, (2025).

Flow in ribbed cooling channels with additive manufacturing-induced surface roughness

Lee, S., Baek, S., Ryu, J., Song, M., & Hwang, W.
Physics of Fluids, 37, 065118-1, (2025).

The Capture of Rod-Shaped Particles by Raindrops

Lee, J., Lee, J., & Hwang, W.
Journal of the Korean Society of Visualization, 23, 56-66, (2025).

2024

Quantitative 3-D Flow Visualization of Conventional Purge Flow Within a Front Opening Unified Pod (FOUP)

Lee, S. G., Bae, J., Choi, H., Jeong, J., Kim, Y., & Hwang, W.
IEEE Transactions on Semiconductor Manufacturing, 37, 620-628, (2024).

Experimental investigation of boundary layer transition by wall-mounted elements

Park, J., Hwang, W., & Rhee, S. H.
Physics of Fluids, 36, 044113, (2024).

Performance of the porous media model for simulating flow through an electrostatic precipitator

Choi, W., Han, J., Seong, J., Park, H. J., Han, K., Jung, W., & Hwang, W.
Chemical Engineering Research and Design, 202, 147-160, (2024).

2023

Experimental analysis of the 3D flow leading into an electrostatic precipitator

Seong, J., Park, H., Han, K., Han, J., & Hwang, W.
Experiments in Fluids, 64, 194, (2023).

Investigation of the effects of nasal surgery on nasal cavity flow using magnetic resonance velocimetry and computational fluid dynamics

Han, K., Lee, S. G., Kim, K., Jeong, B., Paek, M., Lee, W., & Hwang, W.
Physics of Fluids, 35, 111908, (2023).

Investigation of the complex 3D flow structure within a selective catalytic reduction (SCR) reactor of a coal-fired power plant

Han, J., Choi, W., Park, H., Han, K., Jung, W., & Hwang, W.
Experimental Thermal and Fluid Science, 148, 110985, (2023).

Development of a mathematical model for the porous media approach in simulating flow through a selective catalytic reduction (SCR) facility

Jung, W., Han, J., Park, H., & Hwang, W.
Chemical Engineering Research and Design, 197, 592-602, (2023).

Numerical analysis of a straightener for improving flow uniformity in a selective catalytic reduction (SCR) facility

Bin, S., Park, H., Seong, J., Choi, W., & Hwang, W.
The KSFM Journal of Fluid Machinery, 26, 32-40, (2023).

MRV challenge 2: phase locked turbulent measurements in a roughness array

Benson, M., Banko, A., Elkins, C., An, D., Song, S., Bruschewski, M., Grundmann, S., Bandopadhyay, T., Roca, L., Sutton, B., Han, K., Hwang, W., & Eaton, J.
Experiments in Fluids, 64, 28, (2023).

2022

Investigation of the relationship between the 3D flow structure and surface heat transfer within a realistic gas turbine blade trailing edge internal serpentine cooling channel

Baek, S., Kook, D., Kim, C., Bang, M., & Hwang, W.
International Journal of Heat and Mass Transfer, 198, 123357, (2022).

Optimization of flow uniformity in an electrostatic precipitator (ESP) duct

Hong, J., Hwang, M., Han, J., Choi, W., Seong, J., & Hwang, W.
Journal of the Korean Society of Visualization, 20, 86, (2022).

Design of a compact adjustable laser sheet optical assembly

Lee, J., Lee, H., & Hwang, W.
Measurement Science and Technology, 34, 027003, (2022).

Experimental analysis of the internal flow in an electrostatic precipitator using magnetic resonance velocimetry

Seong, J., Han, K., Park, H., Han, J., & Hwang, W.
Transactions of the Korean Society of Mechanical Engineers B, 46, 693, (2022).

Flow non-uniformity and secondary flow characteristics within a serpentine cooling channel of a realistic gas turbine blade

Baek, S., Ryu, J., Bang, M., & Hwang, W.
Journal of Turbomachinery, 144(9), 091002, (2022).

Prediction of homogeneous isotropic turbulence modulation by small and heavy particles

Lee, H., & Hwang, W.
Physics of Fluids, 34, 081703, (2022).

High frequency Rayleigh scattering measurements of density fluctuations in high-pressure premixed combustion

Park, H., Bae, S., Do, H., & Hwang, W.
Physics of Fluids, 34, 081701, (2022).

The effects of indoor temperature and humidity on local transmission of COVID-19 and how it relates to global trends

Park, H., Lee, S., Oh, J., Nam, M., Barrett, S., Lee, S., & Hwang, W.
PLoS ONE, 17(8), e0271760, (2022).

The effect of perspective error on 2D PIV measurements of homogeneous isotropic turbulence

Lee, H., Park, H., Kim, M., Han, J., & Hwang, W.
Experiments in fluids, 63, 122, (2022).

The effect of single-sided ribs on heat transfer and pressure drop within a trailing edge internal channel of a gas turbine blade

Kim, S., Suh, S., Baek, S., & Hwang, W.
Journal of Thermal Science and Engineering Applications, 14(8), 081005, (2022).

Evolution of the cavity in a particle dispersion triggered by laser-induced breakdown

Han, K., Oh, S., Do, H., & Hwang, W.
Physics of Fluids, 34, 073316, (2022).

Experimental investigation of aerodynamic performance due to blade tip clearance in a gas turbine rotor cascade

Chung, J., Baek, S., & Hwang, W.
Journal of Thermal Science, 31, 173, (2022).

Analysis of the impact of flow characteristics on the separation efficiency and pressure drop of a cyclone-type oil separator

Seon, G., Ahn, J., & Hwang, W.
Journal of Mechanical Science and Technology, 36, 273, (2022).

2021

Motion blur treatment utilizing deep learning for time-resolved particle image velocimetry

Oh, J., Lee, H., & Hwang, W.
Experiments in Fluids, 62(234), , (2021).

Experimental study on the flow interaction between two synthetic jets emanating from a dual round orifice

Kim, M., Lee, H., & Hwang, W.
Experimental Thermal and Fluid Science, 126, 110400, (2021).

2020

Development of a laboratory-based calibration system for 5-Hole probes

Kim, C., Baek, S., Ji, C., & Hwang, W.
Journal of the Korean Society of Visualization, 18(3), 122, (2020).

Application of magnetic resonance thermometry (MRT) on fully developed turbulent pipe flow using 3T and 7T MRI

You, H., Baek, S., Kim, D., Lee, H., & Hwang, W.
Journal of the Korean Society of Visualization, 18(1), 26, (2020).

Pseudo real-time continuous measurements of particle preferential concentration in homogeneous isotropic turbulence

Han, K., Lee, H., & Hwang, W.
Experimental Thermal and Fluid Science, 112, 109968, (2020).

Impacts of N2 and CO2 diluent gas composition on flame emission spectroscopy for fuel concentration measurements in flames

Oh, S., Park, Y., Seon, G., Hwang, W., & Do, H.
International Journal of Heat and Mass Transfer, 149, 119174, (2020).

2019

Dynamic stability of particle-lattice structures simulating swarms in turbulence

Oh, J., Yoon, S., Park, H., & Hwang, W.
Journal of the Korean Society of Visualization, 17(3), 32, (2019).

Laser-induced control of a cavity bubble behind a sinking sphere in water entry: Dependency on the surface temperature and impact velocity

Choi, K., Kim, N., Seon, G., Hwang, W., & Park, H.
Physics of Fluids, 31, 122105, (2019).

Denoising PIV velocity fields and improving vortex identification using spatial filters

Jung, H., Lee, H., & Hwang, W.
Journal of the Korean Society of Visualization, 17(2), 48, (2019).

Characterization of vortex advection from a synthetic jet impinging on a wall

Kim, M., Lee, H., & Hwang, W.
Journal of the Korean Society of Visualization, 17(2), 39, (2019).

Error quantification of 3D homogeneous and isotropic turbulence measurements using 2D PIV

Lee, H., & Hwang, W.
International Journal of Heat and Fluid Flow, 78, 108431, (2019).

Development of an efficient immersed-boundary method with subgrid-scale models for conjugate heat transfer analysis using large eddy simulation

Lee, S., & Hwang, W.
International Journal of Heat and Mass Transfer, 134, 198, (2019).

Impact of balloon-guiding catheter location on recanalization in patients with acute stroke treated by mechanical thrombectomy

Jeong, D., Kim, J., Kim, B., Hwang, W., & Kim, D.
American Journal of Neuroradiology, 40(5), 840, (2019).

Experimental and numerical investigation of the flow in a trailing edge ribbed internal cooling passage

Baek, S., Lee, S., Hwang, W., & Park, J.
Journal of Turbomachinery, 141, 011012, (2019).

2018

Robust design optimization of a turbine blade film cooling hole affected by roughness and blockage

Lee, S., Hwang, W., & Yee, K.
International Journal of Thermal Sciences, 133, 216, (2018).

Generation and characterization of homogeneous isotropic turbulence

Lee, H.,Han, K., Park, H., Jung, H., & Hwang, W.
Journal of the Korean Society of Visualization, 16, 21, (2018).

2015

Numerical investigation of a stratified charge compression ignition engine with late injection under low-load noncombusting conditions

Zhang, H., Hawkes, E. R., Kook, S., & Hwang, W.
Atomization and Sprays, 25, 255, (2015).

2010

Isolating the effects of EGR on HCCI heat-release rates and NOX emissions

Dec, J. E., Sjoberg, M., & Hwang, W.
SAE International Journal of Engines, 2(2), 58, (2010).

2009

Characterizing the development of thermal stratification in an HCCI Engine using planar-imaging thermometry

Dec, J. E., & Hwang, W.
SAE International Journal of Engines, 2(1), 421, (2009).

2008

Spectroscopic and chemical-kinetic analysis of the phases of HCCI autoignition and combustion for single and two-stage ignition fuels

Hwang, W., Dec, J. E., & Sjoberg, M.
Combustion and Flame, 154(3), 387, (2008).

Detailed HCCI exhaust speciation and the sources of hydrocarbon and oxygenated hydrocarbon emissions

Dec, J. E., Davisson, M. L., Leif, R. N., Sjoberg, M., & Hwang W.
SAE International Journal of Fuels and Lubricants, 1(1), 50, (2008).

2007

Fuel stratification for low-load HCCI combustion : Performance & fuel-PLIF measurements

Hwang, W., Dec, J. E., & Sjoberg, M.
SAE Transactions Journal of Engines, 116(3), 1437, (2007).

Thermodynamic and chemical effects of EGR and its constituents on HCCI autoignition

Sjoberg, M., Dec, J. E., & Hwang, W.
SAE Transactions Journal of Engines, 116(3), 271, (2007).

In-cylinder gas temperature and water concentration measurements in an HCCI engine using a multiplexed-wavelength diode laser system: Sensor development and initial demonstration

Mattison, D.W., Jeffries, J.B., Hanson, R.K., Steeper, R.R., De Zilwa, S., Dec, J.E., Sjoberg, M., & Hwang, W.
Proceedings of the Combustion Institute, 31, 791, (2007).

2006

Turbulence attenuation by small particles in the absence of gravity

Hwang, W., & Eaton, J. K.
International Journal of Multiphase Flow, 32(12), 1386, (2006).

Homogeneous and isotropic turbulence modulation by small heavy (St~50) particles

Hwang, W., & Eaton, J. K.
Journal of Fluid Mechanics, 564, 361, (2006).

An investigation of thermal stratification in HCCI engines using chemiluminescence imaging

Dec, J. E., Hwang, W., & Sjoberg, M.
SAE Transactions Journal of Engines, 115(3), 759, (2006).

2005

Preferential concentration of particles in homogeneous and isotropic turbulence

Wood, A. M., Hwang, W., & Eaton, J. K.
International Journal of Multiphase Flow, 31(10), 1220, (2005).

2004

Creating homogeneous and isotropic turbulence without a mean flow

Hwang, W., & Eaton, J. K.
Experiments in fluids, 36(3), 444, (2004).