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Dr. Jeong Tae Ok 

Email Addresses
jeong.ok@mwsu.edu
My Websites

Engineering, McCoy School of
Assistant Professor

Office Location
McCoy Engineering Hall 219C
Office Hours

M 9:00-11:00 AM and WF 9:00 AM-1:00 PM

Phone
Voice: (940) 397-4289
Fax: (940) 397-4536
  Semester Course # Section Course Name Location Days / Times
Details Fall 2017 MENG 4143 11E Senior Design I Lab McCoy Engineering Hall 125

W 2:00-5:50 PM

Details Fall 2017 MENG 4134 11A Machine Elements Design Lab McCoy Engineering Hall 121

M 11:00 AM-12:50 PM

Details Fall 2017 MENG 4134 11B Machine Elements Design Lab McCoy Engineering Hall 121

M 1:00-2:50 PM

Details Fall 2017 MENG 4134 11C Machine Elements Design Lab McCoy Engineering Hall 121

M 3:00-4:50 PM

Details Fall 2017 MENG 3114 11A Materials Science Lab McCoy Engineering Hall 131/125

T 3:30-5:20 PM

Details Fall 2017 MENG 2213 101 Dynamics McCoy Engineering Hall 207

MWF 8:00-8:50 AM

Details Fall 2017 MENG 1202 101 Solid Modeling McCoy Engineering Hall 207

F 1:00-4:50 PM

Institution Degree Graduation Date
Sun Moon University BS, Mechanical Engineering 1995-2-17 0:0:0
Sun Moon University ME, Electronics Engineering 1998-2-13 0:0:0
Louisiana State University MS, Electrical and Computer Engineering 2007-5-18 0:0:0
Louisiana State University PhD, Engineering Science 2011-5-20 0:0:0
Institution Position Start Date End Date
Sun Moon University Graduate Teaching Assistant & Research Assistant in Electronic Engineering & Mechanical Engineering 1995-Sep 1999-Feb
Republic of Korean Marine Corps Infantry Platoon Leader / Tactic Aide 1999-March 2002-June
Louisiana State University Graduate Teaching Assistant & Research Assistant in Electrical Engineering & Mechanical Engineering 2004-Aug 2011-May
Colorado School of Mines Postdoc. Chemical & Biological Engineering 2011-July 2013-July
Midwestern State University Assistant Professor, Mechanical Engineering 2013-Aug Present
Wichita Falls Elite Swim Team (WEST) Coach, Blue & Silver Team 2015-Sep Present

PREVIOUS & ONGOING RESEARCH PROJECTS

1. Film-boiling Liquid Motion on Asymmetric Ratchets: Influence of Ratchet Material and Aspect Ratio, 2014 Spring EURECA and COSM Faculty Research Award with Mr. Mark Weller.

2. Solar Stirling Dish Engine Energy Harvesting Panel, 2013-2014 Senior Design Project with Dr. Salim Azzouz and Mr. Mark Weller.

3. Computational Micro- and Nanofluidics using COMSOL Multiphysics: Microfluidics Module, Internal Faculty Research Grant Awards ($4,975, by Aug. 31. 2014).

4. Development of Image Processing tool for Leidenfrost-Ratchets Systems, Spring 2014 & 2015  with Dr. Catherine V. Stringfellow and Dr. Yu Guo.

5. Computational Study of Film Boiling Droplet Motion in Micro- and Nanoscale Ratchets, 2015 Spring, Fall & 2016 Spring, Fall EURECA and 2016 UGROW with Dr. Yu Guo, Dr. Mahmoud Elsharafi and Dr. Sheldon Wang (Students: Ayesha Madamwatta, Eurydice Kanimba, Daniel Goodey, Kiran Chapagain, Chiedza Tokonyai, and Corbin Matamoros).

6. Oilfield Waters shut-off Treatment in mature reservoir by using Superabsorbent Polymer and Various Brine Concentrations, 2015 Spring & Fall EURECA with Dr. Mahmoud Elsharafi (Students: Cody L. Chancellor and Conner Kirby).

7. Enhanced Oil Recovery using Micro Porous Media Analogs (uPMAs), 2015-2016 Senior Design Project with Dr. Mahmoud Elsharafi (Students: Matthew Felix, Matthew Murphy, Cecil Francis, and Dewalawaga Ayesha).

8. Viscosity Measurements for Various Fluids Used in Oil Industry, 2016 Spring EURECA with Dr. Mahmoud Elsharafi (Students: Denzel Kinyua and Kentzie Rhodes).

9. Evaluate the Effect of pH on the Mixed Brine and Chemical Solutions, 2016 Spring EURECA with Dr. Mahmoud Elsharafi (Students: Cody Chancellor, Connor Kirby and Jenom Pyeng).

10. Development of image processing tool for the study of two phase flow in micro- and nanoscale porous media analgos (nPMAs/uPMAs) Spring 2016 with Dr. Eduardo Colmenares-Diaz and Dr. Yu Guo (Students: Austin Cullar, Taylor Murphy, and Kem Andrew).

11. Measurement and Visualization of Convective Heat Transfer Mechanism via the Superheated Cavitation 2016-2017 Senior Design Project with Dr. Sheldon Wang (Students: Janith Ambewela, Timothy Biggs, Xitong Li, Corbin Whan, and Paul Yacho).

12. Acquisition of CNC Micromilling Workstation Capability at Midwestern State University 2017 National Science Foundation (NSF) Major Research Instrumentation (MRI) Program. PI: Dr. Jeong Tae Ok, Co-PI: Dr. Mahmoud Elsharafi ($168,825) Rejected.

 

BOOK CHAPTERS

1. Jeong Tae Ok, Keith B. Neeves, Wei Xu and Xiaolong Yin, Chapter 8. Microfluidic and Nanofluidic Porous Media Analogs for Oil and Gas Applications in Pore Scale Phenomena: Frontiers in Energy and Environment edited by Hohn Poate, Tissa Illangasekare, Hossein Kazemi, Robert Kee, World Scientific, pp. 135-146, Jun. 2015.

2. Materials Science Lab (MENG 3114) Manual, Jan Brink, Salim Azzouz, Jay Barnett, Jeong Tae Ok, J. Mark Weller, Tyler Dalke, Daniel Goodey, McCoy School of Engineering, Midwestern State University, Aug. 2015.

 

REFEREED JOURNAL PUBLICATIONS

14. Jeong Tae Ok and Sunggook Park, "Influence of Polymer additives on Leidenfrost drop on microratchets" in preparation.

13. Jeong Tae Ok, Daniel Sang-Won Park, and Sunggook Park, “Dynamical characteristics of Leidenfrost drop on microratchets” in preparation.

12. Jeong Tae Ok, Bahador Farshchian, Lance Brumfield, Junseo Choi, and Sunggook Park, "Directional Rebounding of Water Drop on PMMA Superhydrophobic Ratchets" in preparation.

11. Sheldon Wang, Kiran Chapagain, Corbin Matamoros, Mahmoud Elsharafi, Yu Guo, Sunggook Park, and Jeong Tae Ok, "A Simplied Model for the study of Film Boiling Droplet Motion on Micro- and Nano-Scale Ratchets" J. Fluids Eng. in preparation.

10. Mahmoud Elsharafi, Cody Chancellor, Connor Kirby, and Jeong Tae Ok, 2016, "Hydrochloride Acid Effect on the pH Value of the Superabsorbent Polymer (SAP) Solutions" Int J Petrochem Sci Eng 1(1):00006.

9. Jeong Tae Ok, Junseo Choi, Emily Brown, and Sunggook Park, 2016, "Effect of different fluids on rectified motion of Leidenfrost droplets on micro/sub-micron ratchets" Microelectronic Engineering 158, pp. 130-134.

8. Qihua Wu, Bai Baojun, Yinfa Ma, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, 2014, "Optic imaging of two-phase flow behavior in 1D nano-scale channels" SPE Journal  SPE-164549-PA.

7. Xu Wei, Jeong Tae Ok, Feng Xiao, Xiaolong Yin, and Keith Neeves, 2014, “Effect of Pore Geometry on Water Flooding and Surfactant EOR Studied by Microfluidic Porous Media Analogs” Phys. Fluids, 26, 093102.

6. Steven M. Hurst, Bahador Farshchian, Lance Brumfield, Jeong Tae Ok, Junseo Choi, Jinsoo Kim, and Sunggook Park, 2013, “Low Cost Fabrication of A Superhydrophobic V-Grooved Polymer Surface”, J. Nanosci. Nanotechnol. 13, pp. 1884-1887.

5. Qihua Wu, Jeong Tae Ok, Yongpeng Sun, S. T. Retterer, Keith B. Neeves, Xiaolong Yin, Bai Baojun, and Yinfa Ma, 2013, “Optic imaging of single and two-phase pressure driven flow in nano-scale channels” Lap Chip 13, pp. 1165–1171.

4. Jeong Tae Ok, Eugene Lopez-Ona, Dimitris Nikitopoulos, Harris Wong, and Sunggook Park, 2011, “Propulsion of droplets on micro- and sub-micron ratchet surfaces in the Leidenfrost temperature regime”, Microfluid. Nanofluid. 10 (5), pp. 1045–1054.

3. Charan Masarapu, Jeong Tae Ok, and Bingqing Wei, 2007, “Carbon Nanotube Based Field Emission Diodes and Their Thermal Stability”, J. Phys. Chem. C 111, pp. 12112–12115.

2. J.W. Kim, J.S. Moon, D.W. Kim, M.Y. Jung, J.T. Ok, S.S. Choi, H.J. Lim, J.S. Yang, and J. H. Boo, 2006, “NEMS fabrication of metal coated sub-wavelength size aperture array and its optical characterization”, Thin Solid Films 506–507, pp. 225–229.

1. Kim, D. W., Ok, J.T., Choi, S. S., Chun, C. K., Kim, J. W., and Boo, J. H., 2004, “Analysis of the aperture formation mechanism in the fabrication process of nano-aperture arrays”, Microelectronic Engineering 73–74, pp. 656–661.

 

REFEREED CONFERENCE PROCEEDINGS

17. Connor Kirby, Cody Chancellor, Mahmoud Elsharafi, and Jeong Tae Ok. "Control pH Value for Superaborbent Polymers (SAPS) Solutions by using Hydrochloride Acid (HCL)", 2016 63rd Annual Southwestern Petroleum Short Course (ASPSC), April 20-21, Lubbock, TX.

16. Jeong Tae Ok, Daniel Sang-Won Park, and Sunggook Park, “Effect of surface temperature on the Leidenfrost drop on micro-ratchets”, 2015 Proceeding of the MicroTAS (Micro Total Analysis Systems), October 25-29, Kyeongju, Korea, 1038-1040, M244d.

15. Jeong Tae Ok and Sunggook Park, "The influence of micro scale ratchet depth on the motion of Leidenfrost drop", 2015 Proceedings of the ASME International Mechanical Engineering Congress & Exposition, November 13-19, Houston, USA, IMECE2015-51922.

14. Jeong Tae Ok, Daniel Sang-Won Park, and Sunggook Park, “Leidenfrost liquid drops on miniaturized ratchets: the influence of drop impact speed”, 2014 Proceeding of the MicroTAS (Micro Total Analysis Systems), October 26-30, San Antonio, USA, 1226-1228, T292c.

13. Lei Wang, Elham Parsa, Yuefeng Gao, Jeong Tae Ok, Keith Neeves, Erdal Ozkan, and Xiaolong Yin, "Experimental Study and Modeling of the Effect of Nanoconfinement on Hydrocarbon Phase Behavior in Unconventional Reservoirs", 2014 SPE Western North America and Rocky Mountain Joint Conference and Exhibition, April 16-18, 2014, Denver, CO, USA,14WRRM-P-233-SPE.

12. Wei Xu, Jeong Tae Ok, J.B. Chen, Keith B. Neeves, and Xiaolong Yin, “The effect of pore geometry on displacement efficiency in water and surfactant flooding studied by PDMS microfluidic porous media analogs”, 12th National Conference on Fluid Flow in Porous Media, August 8-9, 2013, Qingdao, China.

11. Jeong Tae Ok, Xiaolong Yin, Qihua Wu, Baojun Bai, Yinfa Ma, and Keith Neeves, "Optic Imaging of Two-phase Flow Behavior in Nano-scale Fractures", 2013 SPE Unconventional Resources Conference - USA, Apr 10-12, 2013, The Woodlands, TX, USA, SPE164549.

10. Sunggook Park, Jeong Tae Ok, and Jinsoo Kim, “Effect of Liquids on Leidenfrost Droplet Motion on Micro/Nanoscale Ratchets”, ICNST 2012 (International Conference on Nano Science and Nano Technology), Gwangju, Korea, Nov. 8-9, 2012, Nano Energy, S04-1016.

9. Lance Brumfield, Jeong Tae Ok, and Sunggook Park, “Pool Boiling Enhancement Via Micro Ratchets”, 2011 Proceedings of the ASME International Mechanical Engineering Congress & Exposition, November 11-17, Denver, USA, IMECE2011-63736.

8. Jeong Tae Ok, Bahador Farshchian, Daniel Sang-Won Park, and Sunggook Park, “The influence of ratchets dimension and shape on the motion of Leidenfrost droplet”, 2010 Proceedings of the ASME International Mechanical Engineering Congress & Exposition, November 12-18, Vancouver, British Columbia, Canada, IMECE2010-37986.

7. Bahador Farshchian, Jeong Tae Ok, Steven Maxwell Hurst, and Sunggook Park, “Simple Fabrication of Hierarchical Structures on a Polymer Surface”, NSTI (Nano Science and Technology Institute) Nanotech 2010, June 21-24, Anaheim, USA.

6. Bahador Farshchian, Jeong Tae Ok, Jaejong Lee, and Sunggook Park, “3-D integration of micro-gratings into bio-analytical devices”, 2009 Proceedings of the ASME International Mechanical Engineering Congress & Exposition, November 13-19, Lake Buena Vista, FL, USA, IMECE2009-11934.

5. Jeong Tae Ok, Eugene Lopez-Ona, Harris Wong, and Sunggook Park, “Effect of surface wetting of micro/nano ratchets on Leidenfrost liquid drop motion”, 2009 Proceedings of the ASME 7th International Conference on Nanochannels, Microchannels and Minichannels, June 22-24, Pohang, South Korea, ICNMM2009-82173.

4. Jeong Tae Ok, Eugene Lopez-Ona, Daniel Sang-Won Park, Harris Wong, and Sunggook Park, “Fabrication of 3-D superhydrophobic micro-ratchets via combined thermal imprint lithography and photolithography”, 2008 Proceedings of the ASME International Mechanical Engineering Congress & Exposition, October 31-November 6, Boston, USA, IMECE2008-67880.

3. Jeong Tae Ok, Eugene Lopez-Ona, Harris Wong, and Sunggook Park, “Leidenfrost liquid droplets on micro/nano ratchets”, 2008 Proceeding of the MicroTAS (Micro Total Analysis Systems), October 12-16, San Diego, USA, pp. 1672-1674.

2. J.T. OkS.S. Choi, D.W. Kim, C.K. Chun, J.W. Kim, and J.H. Boo, “Nanofabrication of Sub-Wavelength size Aperture Array For Near field Optical Probe Array”, Proceeding of the IEEE-NANO 2003, August 12-14, San Francisco, USA, 832-835.

1. Seong S. Choi, J.T. Ok, D.W. Kim, and J.H. Boo, "Nanofabrication of Al-coated Oxide Aperture for NSOM Using Isotropic Etching Technique", 2003 AIP Conference Proceedings, July 21-25, Eindhoven, Netherland, 696(1):336-342.

 

ARTICLES POSTED ON E-PRINTED SERVERS

1. Wei Xu, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, “Water-Oil Drainage Dynamics in Oil-Wet Random Microfluidic Porous Media Analogs”, arXiv:1210.4425, 2012.

 

REFEREED CONFERENCE ABSTRACTS FOR ORAL/POSTER PRESENTATIONS

21. Jeong Tae Ok, Janith Ambewela, Timothy Biggs, Xitong Li, Corbin Whan, Paul Yacho, and Sheldon Wang, "Design and Implementation of a Convective Heat Transfer Coefficient Measurement System" 2017 Poster Presentation of the ASME International Mechanical Engineering Congress & Exposition, November 3-9, Tampa, FL, USA, IMECE2017-71446 abstract accepted.

20. Jeong Tae Ok, Xiaolong Yin, and Keith B. Neeves, "Two-phase Flow in Micro- and Nanoscale Porous Media for Petroleum Application" 2017 Poster Presentation of the ASME International Mechanical Engineering Congress & Exposition, November 3-9, Tampa, FL, USA, IMECE2017-72265 abstract accepted.

19. Kiran Chapagain, Daniel Goodey, Yu Guo, Mahmoud Elsharafi, Jeong Tae Ok, Sunggook Park, and Sheldon Wang, "Modeling Study of the Leidenfrost Drop on the Miniaturized Ratchets" 2016 US-Korea Conference on Science, Technology and Entrepreneurship (UKC 2016), Aug 10-13, Dallas, TX, G4593.

18. Jeong Tae Ok, Kiran Chapagain, Daniel Goodey, Ayesha Madamwatta, Eurydice Kanimba, Mahmoud Elsharafi, Yu Guo, Sheldon Wang, and Sunggook, "Modeling study of Leidenfrost liquid drops moving on surfaces with micro- and nano-scale ratchets",  2016 Technical Presentation of the ASME International Mechanical Engineering Congress & Exposition, November 11-17, Phoenix, AZ, USA, IMECE2016-68160.

17. Cody Chancellor Connor Kirby, Mahmoud Elsharafi, and Jeong Tae Ok, "Kinetics of a Super-Absorbent Polymer", 2016 SPE Sowthwestern North America Student Paper Contest, April 2, The University of Texas at Austin, TX. 4th ranked.

16. Jeong Tae Ok, Bahador Farshchian, Lance Brumfield, Junseo Choi, and Sunggook Park, "Directional Rebounding of Water Drop on PMMA Superhydrophobic Ratchets", 41st Micro and Nano Engineering, September 21-24, 2015, Hague, Netherlands.

15. Jeong Tae Ok and Sunggook Park, "Effect of Different Fluids on Rectified Motion of Leidenfrost Droplets on Micro/Sub-Micron Ratchets", 41st Micro and Nano Engineering, September 21-24, 2015, Hague, Netherlands.

14. Joanna Sylman, Jeong Tae Ok, and Keith B. Neeves, “A microelectrode heating model of vascular injury to study nitric oxide-platelet interactions”, Biomedical Engineering Society (BMES) Annual Meeting, September 25-28, 2013 in Seattle, Washington.

13. Yinfa Ma, Qihua Wu, Baojun Bai, Jeong Tae Ok, Yongpeng Sun, Xiaolong Yin, and Keith B. Neeves, "Optical imaging of gas/water two phase flow behavior in nanochannels using single molecule imaging system", 2013 25th American Chemical Society National Meeting, April 7-11, New Orleans, LA.

12. Qihua Wu, Baojun Bai, Yinfa Ma, Jeong Tae Ok, Yongpeng Sun, Xiaolong Yin, and Keith Neeves, "Visualization of gas/water two phase flow and displacement of gas/water in nanochannels using single molecule imaging system", 2013 Pittsburgh Conference, March 17-21, Philadelphia, PA.

11. Wei Xu, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, “Water-Oil Drainage Dynamics in Oil-Wet Random Microfluidic Porous Media Analogs”, APS Physics, Division of Fluid Dynamics, Video Gallery, 2012, Oct. 12, Submission#: 83937.

10. Xiaolong Yin, Wei Xu, Jeong Tae Ok, and Keith B. Neeves, “Micromodel Study of Influence of Pore Geometry on Water-Oil Displacement with and without Surfactant”, American Geophysical Union, Dec. 3-7, 2012, San Francisco, USA, H53G-1606.

9. Wei Xu, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, “Visualization of Water flooding and formation damage in micro- and nanofluidic porous media analogs”, The Flow & Transport in Permeable Media Gordon Research Conference, Les Diablerets, Switzerland, June 24-29, 2012.

8. Wei Xu, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, “Visualization of waterflooding and formation damage / water retention on PDMS-based microfluidic micromodels”, Conference on Earth & Energy Research 2012, Until the Last Drop: Enhanced Oil Recovery, Colorado School of Mines, Golden, CO, March 29, 2012, pp 128.

7. Jeong Tae Ok, “Leidenfrost droplets on micro/nano ratchets”, 2010 ME Annual Graduate Student Conference, Louisiana State University, Baton Rouge, April 10, 2010, pp. 11-12.

6. Jeong Tae Ok, Eugene Lopez-Ona, Harris Wong, and Sunggook Park, “Liquid motion on micro/nanoscale ratchet surfaces in the film-boiling regime”, FAAM (First American Academy of Mechanics) conference 2008, New Orleans, USA, June 17-20, 2008, Microfluidics: Fundamentals and Applications 190183.

5. Jeong Tae Ok, Eugene Lopez-Ona, Harris Wong, and Sunggook Park, “Self-propelled Liquid Motion on Micro-/Nanometer Scale Ratchet Surfaces”, NSTI (Nano Science and Technology Institute) Nanotech 2008, June 2-5, Boston, USA, Micro & Nano Fluidics WE80.203.

4. Bingqing Wei, Abhilash Krishna, and Jeong Tae Ok, “Effects of Physical Layout Temperature and Pressure on Field Emission Properties of Carbon Nanotubes”, Nanodevices and Nanofabrication 2005, Singapore, July 3-8, 2005.

3. S.S. Choi, J.T. Ok, M.Y. Jung, and D.W. Kim, “Fabrication of Metal Coated Sub-Wavelength size Aperture Array and Its Optical Characterization”, The Korean Physical Society ’03, Yonsei University, Seoul, South Korea, April 25-26, 2003.

2. J.T. Ok and E.S. Kim, “Programmable Analog-Pulse Neural Networks”, Korea Information Science Society ’97, Sun Moon University, Asan, Chungnam, South Korea, Dec. 5-6, 1997.

1. J.T. Ok and E.S. Kim, "Hardware Implementation of Analog-Pulse Neural Networks and the Characterization", JCEANF '97, Korea University, Seoul, South Korea, Jun 20, 1997.