Hojae Yi, Ph.D.

Hojae Yi, Ph.D.

  • Assistant Research Professor of Agricultural and Biological Engineering
228 Agricultural Engineering Building
Shortlidge Road

University Park, PA 16802

Areas of Expertise

  • Engineering Mechanics of Materials; Characterization of Physical and Mechanical Properties of Agricultural and Biological Materials
  • Powder Mechanics; Storage, Conveying, Mixing, Size Reduction, Flow, Segregation, and Compaction of Particulate Materials
  • Mathematical/numerical modeling, simulation and analysis of mechanical behavior of particulate materials and biological materials
  • Applying mechanical engineering theories to the problems involving biological and particulate materials including renewable energy and consumer products

Websites

Education

  • August 2003 Ph. D. in Agricultural Engineering
  • 1998-1999 Ph. D. Coursework in Agricultural Engineering
  • 1996-1997 M.S. in Engineering. Dept. of Agricultural Engineering, Seoul National University.
  • 1992-1995 B.A. in Agricultural Engineering, Dept. of Agricultural Engineering, Seoul National University

Publications

MicroCT imaging to determine coordination number and contact area of biomass particles in densified assemblies
Powder Technology, Karamchandani, Apoorva, Yi, Hojae, Puri, Virendra, 2019

Synergistic pectin degradation and guard cell pressurization underlie stomatal pore formation
Plant physiology, Rui, Yue, Chen, Yintong, Yi, Hojae, Purzycki, Taylor, Puri, Virendra M., Anderson, Charles T., 2019

Micromechanical characterization of particle-particle bond in biomass assemblies formed at different applied pressure and temperature
KONA Powder and Particle Journal, Karamchandani, Apoorva, Yi, Hojae, Puri, Virendra, 2019

Mechanical effects of cellulose, xyloglucan, and pectins on stomatal guard cells of arabidopsis thaliana
Frontiers in Plant Science, Yi, Hojae, Rui, Yue, Kandemir, Baris, Wang, James Z., Anderson, Charles T., Puri, Virendra M., 2018

POLYGALACTURONASE INVOLVED IN EXPANSION3 functions in seedling development, rosette growth, and stomatal dynamics in Arabidopsis thaliana
Plant Cell, Rui, Yue, Xiao, Chaowen, Yi, Hojae, Kandemir, Baris, Wang, James Z., Puri, Virendra M., Anderson, Charles T., 2017

A multiscale FEA framework for bridging cell-wall to tissue-scale mechanical properties
Journal of Materials Science, Shafayet Zamil, M., Yi, Hojae, Puri, Virendra M., 2017

Single particle mechanical characterization of ground switchgrass in air dry and wet states using a microextensometer
Powder Technology, Karamchandani, Apoorva, Yi, Hojae, Puri, Virendra M., 2016

Comparison and explanation of predictive capability of pellet quality metrics based on fundamental mechanical properties of ground willow and switchgrass
Advanced Powder Technology, Karamchandani, Apoorva, Yi, Hojae, Puri, Virendra M., 2016

Integrating cell biology, image analysis, and computational mechanical modeling to analyze the contributions of cellulose and xyloglucan to stomatal function
Plant Signaling and Behavior, Rui, Yue, Yi, Hojae, Kandemir, Baris, Wang, James Z., Puri, Virendra M., Anderson, Charles T., 2016

The mechanical properties of plant cell walls soft material at the subcellular scale
Journal of Materials Science, Zamil, M. Shafayet, Yi, Hojae, Puri, Virendra M., 2015

Fundamental mechanical properties of ground switchgrass for quality assessment of pellets
Powder Technology, Karamchandani, Apoorva, Yi, Hojae, Puri, Virendra, 2015

Examination of biological hotspot hypothesis of primary cell wall using a computational cell wall network model
Cellulose, Nili, Abdolmadjid, Yi, Hojae, Crespi, Vincent Henry, Puri, Virendra, 2015

Contributions of the mechanical properties of major structural polysaccharides to the stiffness of a cell wall network model
American journal of botany, Yi, Hojae, Puri, Virendra M., 2014

Mechanical characterization of outer epidermal middle lamella of onion under tensile loading
American Journal of Botany, Zamil, M. Shafayet, Yi, Hojae, Puri, Virendra M., 2014

3-D milk fouling modeling of plate heat exchangers with different surface finishes using computational fluid dynamics codes
Journal of Food Process Engineering, Choi, W., Jun, S., Nguyen, L. T., Rungraeng, N., Yi, Hojae, Balasubramanian, S., Puri, Virendra, Lee, J., 2013

Characterizing microscale biological samples under tensile loading
American journal of botany, Zamil, M. S., Yi, Hojae, Haque, Md Amanul, Puri, Virendra, 2013

Stress gradient within powder en masse during hydrostatic compression
Powder Technology, Yi, Hojae, Puri, Virendra M., 2013

Architecture-based multiscale computational modeling of plant cell wall mechanics to examine the hydrogen-bonding hypothesis of the cell wall network structure model
Plant physiology, Yi, Hojae, Puri, Virendra M., 2012