JT Ok, Ph.D.

Department:
Lake Campus Engineering Technology
Title:
Instructor
Address:
7600 Lake Campus Dr, Celina, OH 45822-2921

Dr. Jeong Tae (JT) Ok has a diverse academical background including Mechanical (BS and PhD), Electrical (MS), Electronic (ME), Chemical & Petroleum Engineering (Postdoctoral). He obtained his PhD (supervised by Prof. Sunggook Park) in the interdepartmental Mechanical and Electrical Engineering programs in Engineering Science at Louisiana State University, Baton Rouge (May 2011). Before joining the Lake Campus Engineering Technology at Wright State University, he was a tenure track Assistant Professor (BS, ABET accredited in Mechanical Engineering) at Midwestern State University (MSU Texas) from September, 2013 to May, 2020. He was a postdoctoral researcher (supervised by Prof. Keith B. Neeves, Chemical & Biological Engineering; and Prof. Xiaolong Yin, Petroleum Engineering) at Colorado School of Mines where he made significant contributions in the field of petroleum fluids transport within artificial porous media analogs while working on RPSEA (Research Partnership to Secure Energy for America) joint project between Colorado School of Mines and Missouri University of Science and Technology.

His primary teaching responsibilities are to develop students’ abilities to design and conduct experiments (Engineering Design & Solid Modeling, Experimental Measurements & Instrumentation with Lab, Machine Element Design Lab, Mechanical & Materials Lab, and Senior/Capstone Design), as well as to analyze and interpret data (Electronic Devices and Circuits & Lab, Fluid Mechanics Lab, and Heat Transfer Lab) by applying knowledge of fundamental and advanced mathematics, science, and engineering (Engineering Programming with MATLAB, Structure and Properties of Materials I & Recitation, Dynamics, Mechanics of Materials, Materials Science, Fluid Mechanics, Mechanical & Materials Engineering Internship). He has consistently developed teaching materials that propel and encourage the students into new scientific and engineering disciplines and rapidly advancing technologies by the following three teaching methods in union: (1) motivating students, (2) providing effective learning environment, and (3) providing opportunities for developing abilities to think critically and solve problems. He has served as a technical reviewer, topic and session organizer for ASME (American Society of Mechanical Engineers) IMECE (International Mechanical Engineering Congress & Exposition) since 2017 and has been invited to review several premier international journal articles including Applied Physics Letters by AIP, Colloids and Surface A: Physicochemical and Engineering Aspects by ELSEVIER, Journal of Vibration Testing and System Dynamics by L&H Scientific Publishing, IEEE Sensors Journal, and Journal of Electrochemical Energy Conversion and Storage by ASME.

Curriculum Vitae

CV_Ok011421.pdf 590.34 KB

Education History

  • Postdoctoral Training in Chemical and Biological Engineering ( Supervised by Profs. Keith B. Neeves and Xiaolong Yin), Colorado School of Mines, Golden, 2011 July - 2013 July)
  • PhD in Engineering Science (Supervised by Prof. Sunggook Park), Louisiana State University, Baton Rouge, 2011
  • MS in Electrical Engineering (Supervised by Prof. Bingqing Wei), Louisiana State University, Baton Rouge, 2007
  • ME in Electronic Engineering (Supervised by Prof. Eungsoo Kim), Sun Moon University, Asan/South Korea, 1998
  • BS in Mechanical Engineering, Sun Moon University, Asan/South Korea, 1995

Teaching

Wright State University (Mechanical Engineering - Lake Campus, ABET Accredited BS)

  • ME1020 Engineering Programming With MATLAB
  • ME 1040 Engineering Design & Solid Modeling
  • ME 2700 Structure and Properties of Materials I & Recitation
  • ME 3120 Mechanics of Materials
  • ME 3600 Experimental Measurements and Instrumentation & Lab
  • ME 4620 Mechanical and Materials Lab (Senior Lab)
  • ME 4940 Mechanical and Materials Engineering Internship (Summer)
  • ME 4910/4920 Capstone Design I & II

Wright State University (Electrical Engineering - Lake Campus)

  • EE 3310 Electronic Devices and Circuits & Lab

Midwestern State University (Mechanical Engineering, ABET Accredited BS)

  • MENG 1202 Solid Modeling
  • MENG 2213 Dynamics
  • MENG 2204 Electronics Lab
  • MENG 3104 Fluid Mechanics & Lab
  • MENG 3114 Materials Science & Lab
  • MENG 3234 Heat Transfer Lab
  • MENG 4134 Machine Elements Design Lab
  • MENG 4143 Senior Design Lab I & II

Research Statement

Dr. Ok's research has been particularly oriented in the geometrical effects on fluid transportation in micro- and nanofluidics. His doctoral graduate study focused on liquid droplet motion on miniaturized asymmetric geometries in extreme-water-repellent conditions such as Leidenfrost (or film-boiling) and superhydrophobic regimes. Dr. Ok has been expanding his research subjects such as nanotechnology, advanced manufacturing, computational thermo-fluidics; design and hardware implementation of the apparatus for the application of biology, petroleum, energy, and heat transfer; machine learning with humanoid robot via the undergraduate research and senior design projects at MSU Texas. His long-term research goal is to contribute in micro- and nanofluidics based thermo-fluidic/biomedical engineering and deep learning oriented biomechanical engineering/design and smart manufacturing while also pursuing extension of his previous and current research area. He has 11 refereed journal publications and more than 40 conference presentations including 17 refereed international conference proceedings.

Service

  • Technical Reviewers, Topic (Micro and Nano Devices) Co-Organizer and Session Co-Chair in Track 13: Micro- and Nano-Systems Engineering and Packaging for ASME IMECE 2016-2020
  • Korean-American Scientists and Engineering Associates (KSEA) board member, 2018-2020
  • Library Committee (2014-2015), Staff Awards Committee (2016-2017), Fringe Benefits Committee (2018-2019), and McCoy Hall CPR/AED Representative at Midwestern State University
  • Reviewer of Applied Physics Letters by American Institute of Physics, Colloids and Surfaces A: Physiochemical and Engineering Aspects by ELSEVIER, IEEE Sensors Journal by IEEE, and Journal of Electrochemical Energy Conversion and Storage by ASME
  • Certified United States Swiming Coach at Wichita Falls Elite Swim Team (WEST), 2015-2020
  • Korean marine Officer, infantry platoon leader, firearms company leader, battalion tactic aide, Ganghwa, 1999-2002

Publications

Micro- and Nanofluidics

  1. Jeong Tae Ok, Eugene Lopez-Ona, Dimitris Nikitopoulos, Harris Wong, Sunggook Park, 2011, "Propulsion of droplets on micro- and sub-micron ratchet surfaces in the Leidenfrost temperature regime", Microfluid. Nanofluid. (Impact factor: 2.437, cited: 51) 10 (5), pp. 1045-1054
  2. Qihua Wu, Jeong Tae Ok, Yongpeng Sun, S. T. Retterer, Keith B. Neeves, Xiaolong Yin, Bai Baojun, Yinfa Ma, 2013, "Optic imaging of single and two-phase pressure driven flow in nano-scale channels", Lab Chip (Impact factor: 6.914, Cited: 25) 13, pp. 1165-1171
  3. 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 (Impact factor: 1.654, Cited: 8) 158, pp. 130-134

Advanced Manufacturing

  1. Kim, D.W., Ok, J.T., Choi, S.S., Chun, C.K., Kim, J.W., Boo, J.J., 2004, "Analysis of the aperture formation mechanism in the fabrication process of nano-aperture arrays", Microelectroni Engineering (Impact factor: 1.654, Cited: 10) 73-74, pp. 656-661
  2. S.S. Choi, J.T. Ok, D.W. Kim, M.J. Jung, and M.J. Park, 2004, "Modeling of a Nanoscale Oxide Aperture Opening for a NSOM Probe", J. Korean Phys. Soc. (Impact factor: 0.418, cited: 20), 45, pp. 1659-1663
  3. J.W. Kim, JS. Moon, D.W. Kim, M.Y. Jung, J.T. Ok, S.S. Choi, H.J. Lim, J.S. Yang, J.H. Boo, 2006, "NEMS fabrication metal coasted sub-wavelength size aperture array and its optical characterization", Thin Solid Films (Impact Factor: 1.867, cited: 2) 506-507, pp. 225-229

Electronics and Nanotechnology

  1. Charan Masarapu, Jeong Tae Ok, Bingqing Wei, 2007, "Thermal stability of carbon-nanotube-based field emission diodes", J. Phys. Chem. C (Impact factor: 4.309, cited: 10) 111, pp. 12112-12115
  2. 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 (Impact factor: 1.354, cited: 3) 13, pp. 1884-1887

Petroleum Engineering

  1. Qihua Wu, Bai Baojun, Yinfa Ma, Jeong Tae Ok, Keith B. Neeves, Xiaolong Yin, 2014, "Optic imaging of two-phase flow behavior in one dimensional nano-scale channels" SPE Journal (Imapct factor: 3.095, cited: 48) SPE-164549-PA
  2. Xu Wei, Jeong Tae Ok (Co-First author), Feng Xiao, Xiaolong Yin, Keith B. Neeves, 2014, "Effect of pore geometry and interfacial tenision on water-oil displacement efficiency in oil-wet microfluidic media analogs", Phys. Fluids (Impact factor: 2.627, cited: 52) 26, 093102
  3. 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

Invited 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: Frontier in Energy and Environment edited by Hohn Poate, Tissa Illangasekare, Hossein kazemi, Robert Kee, World Scientific, pp. 135-146, Jun. 2015

Representative Refereed International Conference Proceedings

  1. Zeki Ilhan, Jeong Tae Ok, Brandon Eakins, Clayton masters, Kelcee Thompson, and Tojya Vital, "Design and implementation of a pully-based movable LED system for optical plant growth", 2020 Proceedings of the ASME International Mechanical Engineering Congress & Expositoin, November 16-19, Portland, USA, IMECE2020-24089
  2. 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 Systemss), October 25-29, Gyengju, South Korea, 1038-1040, M244d
  3. Jeong Tae Ok and Sunggook, "The influence of micro scale ratchet depth on the motion of Leidenfrost drop", 2015 Proceedings of the ASME Internation Mechanical Engineering Congress & Expostion, November 13-19, Houston, USA, IMECE2015-51922

Professional Affiliations/Memberships

  • American Society of Mechanical Engineers (ASME)
  • American Society of Engineering Education (ASEE)
  • Korean-American Scientists and Engineerings Associations (KSEA)
  • Coach Member of USA Swimming (USSA) and YMCA
  • Licend Tennis Coach of Ohio High School Athletic Association (OHSAA)

Awards/Recognition

Article Posted on E-printed Servers

  • Wei Xu, Jeong Tae Ok, Keith B. Neeves, and Xiaolong Yin, "Water-Oil Drainage Dynamics in Oil-Wet Randon Microfluidic Porous Media Analogs", arXiv:12104425, 2012

Research Grants

  • Innovation in Biological instrumentation through Design and Engineering: Project I. Thermal Choice Chamber, MSU Texas intramural Grant Awards 2017 ($5,545.43, by Aug. 31, 2018), PI
  • Acquistion of CNC Micromilling Workstation Capability at Midwestern State University, 2017 NSF Major Research Instrumentation program ($168,825) not funded, PI
  • Computational Micro- and Nanofluidics using COMSOL Multiphysics: Microfluidics Module, Internal Faculty Research Grant Awards ($4,975, by Aug. 31, 2014), PI
  • Film-boiling Liquid Motion on Asymmetric Ratchets, COSM Internal Faculty Research Grant Awards ($1500, Oct. 25, 2013), PI
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