Wonjin Yun, PhD
Senior Process Engineer
Design Researcher
Stanford Center for Innovation and Design Research (SCIDR)
Education
2014 - 2019
Ph.D. Energy Resources Engineering
Stanford University
United States, Stanford
2012 - 2014
M.S. Energy Resources Engineering
Stanford University
United States, Stanford
2008 - 2012
B.S. Chemical Engineering
University of Texas at Austin
United States, Austin
Contact
Experimental approaches: micro-scale fluid flow
1) Fast prototyping using Maskless Photolithography to fabricate microfluidic model/channel
2) Post surface treatment for surface wettability alteration
3) Modifies etching technique for enhancing structural realism of microfluidic model
4) Surface modification of fluidic channel via in-situ calcite growing
Characterization: Deep-Learning based image processing
1) Automated micro-scale fluids pattern recognition from massive images
2) Automated surface property analysis from massive images of multiphase flow
Enhanced visualization: micro-scale fluid behavior
1) Fluorescence-based imaging to segment multiphase flow in geochemically heterogeneous media
2) Spectral imaging of micro-scale viscous flow via laser scanning fluorescence microscopy
3) Micro-PIV (Particle Image Velocimetry) to obtain velocity field in complex porous media
Simulation: micro-pore scale fluid flow
1) Non-Newtonian fluid simulation using OpenFOAM partial differential equation solver
Skills
Microfluidic flow characterization: µ-PIV, laser scanning confocal microscopy, spectral imaging
Rapid prototyping: microchip design via AutoCAD for microchip-based chemical analysis
Microchannel fabrication / characterization: 3D optical surface profiler, photolithography
Microscopic image processing: segmentation, pattern recognition
Deep-Learning: convolutional neural network
Software: MATLAB, OpenFOAM(computational fluid dynamics (CFD)), R, Python
