Tien-Chien Jen - Professor
Interim Dean of the College of Engineering & Applied Science



Contact Information

Office Address:
EMS E315
3200 North Cramer Street
Milwaukee, WI 53211
Phone: 414-229-2307
Fax: 414-229-6958
Email: jent@uwm.edu
WWW: http://www.uwm.edu/~jent/

Mailing Address:
P.O. Box 784
Department of Mechanical Engineering
University of Wisconsin-Milwaukee
Milwaukee, WI 53201

 Tien-Chien Jen
Education

Ph.D. - Mechanical Engineering, University of California, Los Angeles, 1993
M.S. - Power Mechanical Engineering, National Tsing Hua University, 1987
B. S. - Naval Architecture and Marine Engineering, National Cheng-Kung University, Tainan, Taiwan, 1982

Research Interests

Thermal Aspects of Machining Processes (e.g., grinding, turning, honing, milling, drilling, etc.); environmentally benign manufacturing; Diffusion Bonding; Fuel Cells and Hydrogen Generation Technology; Cold Gas Dynamic Spraying for nanoparticles; Nano-Technology (thermal) in Materials Processing; Biosensing Technology; CFD and Numerical Heat Transfer.

Book Chapters

  • Jen, T.C., Yan, T., and Chen, Q., 2005, “Numerical Simulation Proton Exchange
    Membrane Fuel Cell,” in Transport Phenomena in Fuel Cell, WIT Press, Ashurst Lodge, Ashurst, Southampton SO40 7AA, UK.
  • Liao, Q. and Jen, T.C., 2011, “Application of Lattice Boltzmann Method in Fluid flow And Heat Transfer”, in Computational Fluid Dynamics-Technology and Applications, Chapter 2, pp. 29-68, Intech publication, July 2011.


Selected Publications

  1. Shaeri, R.M., and Jen, T.C., 2012,” Turbulent Heat Transfer Analysis of an Array of Perforated Fins Due to Changes in Perforation Sizes,” to appear in Numerical Heat Transfer Part A.
  2. Zhu, L. Jen, T.C., Yen, Y.H., and Kong, X.L., 2011,” Feasibility and Effectiveness of Heat Pipe Cooling in End Milling Operations Thermal, Structural Static, and Dynamic Analyses : A New Approach,” to appear in ASME Journal of Manufacturing Science and Engineering.
  3. Zhu, L. Jen, T.C., Yin, C.-L. 2011,” Structural Design of a Silicon Six-Wafer Micro- Combustor under the Effect of Heat Transfer Boundary Condition at the Outer Walls,” to Appear in Journal of the Chinese Society of Mechanical Engineers.
  4. Zhu, L., Jen, T.C., Yin, C.L., X. L. Kong, and Yen, Y.H. 2011, “ Experimental Analysis to Investigate the Feasibility and Effectiveness in Using Heat Pipe Embedded End-mills,” to appear in The International Journal of Advanced Manufacturing Technology.
  5. Zhu, L., Jen, T.C., Yin, C.-L. 2011, “Numerical Investigation of the Structure of a Silicon Six-Wafer Micro-combustor under the Effect of Hydrogen/Air Ratio,” Journal of Microsystem Technologies, Vol. 16, No. 10, pp. 1777-1786.
  6. Chen, C.N., Han, J.T., Jen, T.C., Shao, L., 2011,” Dry-out CHF Correlation for R134a Flow Boiling in a Horizontal Helically-coiled Tube. Int. J. Heat Mass Transfer, Vol. 54, issue 1-3, pp.739-745.
  7. Chen, C.N., Han, J.T., Jen, T.C., Shao, L., 2011, “Experimental Study on CHF Characteristics of R134a Flow Boiling in Horizontal Helically-coiled Tubes,” Int. J. Thermal Sciences, Vol. 50, issue 2, pp. 169-177.
  8. Chen, C.N., Han, J.T., Jen, T.C., Shao, L., 2011, “Thermo-chemical Characteristics of R134aFlow Boiling in Helically-coiled Tubes at Low Mass Flux and Low Pressure. Thermochimica Acta, Vol. 512, issue 1-2, pp. 163-169.
  9. Zhu, L., Jen, T.C., Yin, C.-L., 2010, “ Numerical Investigation of Heat Pipe Cooling in Drilling Applications,” Journal of Mechanical Engineering, Vol. 61, pp. 233-254.
  10. Shi, C., Chen, Q., Jen, T.C., Yang, W., 2010, “ Heat Transfer Performance of Lithium Bromide Solution and Falling Film Generator,” International Journal of Heat and Mass Transfer, Vol. 53, issue 15-16, pp. 3372-3376.
  11. Lin Zhu, Tien-Chien Jen, Chen-Long Yin, 2010, “ Effect of Heat Loss through the Outer Walls on the Structure of a Micro-Combustor Device, ASME Journal of Mechanical Design, Vol. 132, Issue 12 (5 pages).
  12. Reikher, A., Gerber, H., Pillai, K. and Jen, T.C., 2010, “Natural Convection-An Overlook Phenomenon of the Solidification Process,” Die Casting Engineering, January issue, pp. 30-33.
  13. Zhang, J., Ge, P. Jen, T.C. and Zhang, L., 2009, “Experimental and numerical studies of AISI1020 steel in grind-hardening,” International Journal of Heat and Mass Transfer, Vol. 52, pp. 787-795.
  14. Reikher, A., Gerber, H., Pillai, K. and Jen, T.C., 2009, “Application of One- Dimensional Numerical Simulation to Optimize Process Parameters of a Thin-Wall Casting in High Pressure Die Casting,” Die Casting Engineering, May issue, pp. 38-42.
  15. Tan, W., Jen, T.C., and Gao, M., 2009 “Medium Earth Orbit and Inclined Geosynchronous Orbit Satellite Control Strategies Optimization based on the Function Approximation Method,” Proceedings of the Institute of Mechanical Engineers, Part G. Journal of Aerospace Engineering, Vol. 223, No. 4, pp. 475-484.
  16. Liao, Q. and Jen, T.C., 2008, “Numerical Simulation of Fluid Flow and Heat Transfer in A Curved Square Duct using Lattice Boltzmann Method.” Numerical Heat Transfer, Part A: Applications, Vol. 54, pp. 451-480.
  17. Jen, T.C. and Nemecek, D., 2008, “Thermal Analysis of Wet-Clutch Subjected to A Constant Energy Engagement,” International Journal of Heat and Mass Transfer, Vol. 51, No.7-8, pp. 215-244.
  18. Cui, W., Li, L., Xin, M., Jen, T.C., Liao, Q., Chen, Q., 2008, “An Experimental Study of Flow Patterns and Pressure Drop for Flow Boiling Inside Microfinned Helically Coiled Tube,” International Journal of Heat and Mass Transfer, Vol. 51, No.1, pp.169-175.
  19. Jen, T.C., Tuchowski, F., and Chen, Y., 2008, “Investigation of Thermosyphon Cooling for Drilling Operation: An Experimental Study,” International Journal of Transport Phenomena, Vol. 10, No.1, pp. 17-36.
  20. Yan, T.Z. and Jen, T.C., 2008, “Two-Phase Flow Modeling of Liquid-Feed Direct Methanol Fuel Cell” International Journal of Heat and Mass Transfer, Vo. 51, No.5-6, pp. 1192-1204.
  21. Peng, L., Li, Y.R., Liu, Y.J., Imaishi, N., Jen, T.C., and Chen, Q., 2007, “Bifurcation and Hysteresis of Flow Pattern Transition in A Shallow Molten Silicon Pool with Cz configuration,” Numerical Heat Transfer Part A, Vol. 51, pp. 211-223.
  22. Liao, Q., Jen, T.C., Chen, Q., Li, L., and Cui, W., 2007, “Heat Transfer Performance in 3D Internally Finned Heat Pipe,” International Journal of Heat and Mass Transfer, Vol. 50, pp. 1231-1237.
  23. Cui, W. Li, L., Chen, Q. and Liao, Q., Jen, T.C., 2006, “ Heat Transfer and Pressure Drop Experimental Correlations for Air-Water Bubbly Flow,” International Journal of Heat and Mass Transfer, Vol. 49, pp.4417-4423.
  24. Pan, L., Jen, T.C., He, C., Xin, M., and Chen, Q., 2006, “Heat Transfer and Bubble Movement of Two- and One-Sided Heating Subcooled Flow Boiling in Narrow Channel,” ASME Journal of Heat Transfer, Vol. 128, pp.838-842.
  25. Gutierrez, G., Cantano, J., Jen, T.C., and Liao, Q., 2006, “Transient Heat Transfer Analysis on A Heat Pipe With Experimental Validation,” International Journal of Transport Phenomena, Vol. 8, pp.165-179.
  26. Cui, W., Li, L., Xin, M., Jen, T.C., Chen, Q., Liao, Q., 2006, ”A Heat Transfer Correlation of Flow Boiling in Micro-Finned Helically Coiled Tube,” International
  27. Jen, T.C., Pan, L., Li, L., Chen, Q., and Cui, W., 2006,”The acceleration of Charged Nano- Particles in Gas Stream of Supersonic De-Laval-Type Nozzle Coupled with Static Electric Field,” Applied Thermal Engineering, Vol. 26, pp. 613-621.
  28. Gutierrez, J.G. and Jen, T.C., 2005, “Numerical Analysis of the Vapor Flow in An Axially Rotating Heat Pipe in Drilling Processes,” International Journal of Transport Phenomena, Vol. 7, pp.131-150.
  29. Li, L., Cui, W., Liao, Q., Xin, M., Jen, T.C. and Chen, Q., 2005,”Heat Transfer Augmentation in 3D Internally Finned and Micro-finned Helical Tube,” International Journal of Heat and Mass Transfer, Vol. 48, pp.1916-1925.
  30. Jen, T.C. and Yan, T., 2005, “Developing Fluid Flow and Heat Transfer in a Channel Partially Filled with Semi-Porous Square Channel,” International Journal of Heat and Mass Transfer, Vol. 48, 00. 3995-4009.
  31. Jen, T.C., Chen, Q., Li, L., Cui, W. and Zhang, X., 2005, “Numerical Analysis on Cold Gas Dynamic Spray Coating Process with Nano- and Micro-size Particles,” International Journal of Heat and Mass Transfer, Vol. 48, pp. 4384-4396.
  32. Gu, R. J., Shillor, R. Barber, G., and Jen, T.C. 2004, “Thermal Analysis of the Grinding Process,” Mathematical and Computer Modeling, Vol. 39/9-10, pp. 991-1003.
  33. Jen, T.C., Eapen, S., and Gutierrez, J.G., 2003, “Nonlinear Numerical Analysis in Transient Cutting Tool Temperatures, “ ASME Journal of Manufacturing Science and Engineering, Vol. 125, No. 1, pp. 48-56.
  34. Jen, T.C., Gutierrez, J.G., and Eapen, S., 2003, "Prediction of Transient Cutting Tool Temperatures," International Journal of Transport Phenomena, Vol. 5, pp. 19-30.
  35. Jen, T.C., and Gutierrez, J.G., 2003, “Analytical Study of Heat Conduction in a Finite Region due to a Laser Heat Source,” International Journal of Transport Phenomena, Vol. 5, pp. 203-216.
  36. Jen, T.C., Yan, T. and Chan, S-H, 2003, “Chemical Reacting Transport Phenomena in a PEM Fuel Cell,” International Journal of Heat and Mass Transfer, Vol. 46, pp. 4157- 4168.
  37. Jen, T.C., Eapen, S. and Hwang, G.J., 2002, "Fully Developed Laminar Fluid Flow in a Rotating Isothermal Isosceles Triangular Channel," International Journal of Rotating Machinery, Vol. 8, No. 1, 1-12.
  38. Jen, T.C., Gutierrez, G., Eapen S., Barber, G., Zhao, H., Szuba, S., Manjunathaiah, J., and Labataille, J., 2002, “Investigation of Heat Pipes Cooling in Drilling Applications Part I: Preliminary Numerical Analysis and Verifications” International Journal of Machine Tool and Manufacture, Vol. 42, No. 5, pp. 643-652.
  39. Jen, T.C., Jiao, Y., and Hwang, T., 2001, “A Parametric Study of Numerical Simulation of Solute Redistribution During Transient Liquid Phase Bonding Process,” International Journal of Rotating Machinery, Vol. 7, No. 6, 387-396.
  40. Jen, T.C., Gutierrez, J.G., and Eapen, S., 2001, "Numerical Analysis in Interrupted Cutting Tool Temperatures," Numerical Heat Transfer Part A: Applications, Vol. 39, No.1, pp.1-20.
  41. Jen, T.C. and Jiao, Y., 2001, “Numerical Simulation of Solute Redistribution During Transient Liquid Phase Bonding Processing for Al-Cu Alloy,” Numerical Heat Transfer Part A: Applications , Vol. 39, No. 2, pp. 123-138.
  42. Jen, T.C., and Anagonye, A.U., 2001, "A Transient Tool Temperatures Model in Metal Cutting," the ASME Journal of Manufacturing Science and Engineering, Vol. 123, No.1, pp. 30-37.
  43. Gutierrez, J.G. and Jen, T.C., 2000, "Numerical Simulation of Heat Conduction Subject to a Time Dependent Laser Source: the Effects of Variable Thermal Properties", International Journal of Heat and Mass Transfer, Vol. 43, pp. 2177-2192.
  44. Stephenson, D.A., Jen, T.C., and Lavine, A.S., 1997, “Cutting Tool Temperatures in Contour Turning: Transient Analysis and Experimental Verification,” the ASME Journal of Manufacturing Science and Engineering (formerly, Journal of Engineering for Industry),Vol. 119, pp. 494-501.
  45. Jen, T.C., 1996, “Laminar Forced Convection in the Entrance Region of a Semi-Porous Channel,” ASME Journal of Heat Transfer, Vol. 118, pp. 508-510.
  46. Jen, T.C., and Lavine, A.S., 1996, “A Variable Heat Flux Model of Heat Transfer in Grinding with Boiling,” the ASME Journal of Heat Transfer, Vol. 118, pp. 463-470.44.
  47. Jen, T.C., and Lavine, A.S., 1995, “A Variable Heat Flux Model of Heat Transfer in Grinding: Model Development,” the ASME Journal of Heat Transfer, Vol. 117, pp.473- 478.
  48. Jen, T.C., Lavine, A.S., and Hwang, G.J., 1992, “Simultaneously Developing Laminar Convection in Rotating Isothermal Square Channels,” International Journal of Heat and Mass Transfer, Vol. 35, no. 1, pp. 239-254.
  49. Jen, T.C., and Lavine, A.S., 1992, “Laminar Heat Transfer and Fluid Flow in the Entrance Region of a Rotating Duct with Rectangular Cross-Section—the Effect of Aspect Ratio,” ASME Journal of Heat Transfer, Vol. 114, pp. 574-581.
  50. Lavine, A.S. and Jen, T.C., 1991, “Coupled Heat Transfer to Workpiece, Wheel and Fluid in Grinding, and the Occurrence of Workpiece Burn, “ International Journal of Heat and Mass Transfer, Vol. 34, No. 4/5, pp. 983-992.
  51. Lavine, A.S. and Jen, T.C., 1991, “Thermal Aspects of Grinding: Heat Transfer to Workpiece, Wheel and Fluid,” the ASME Journal of Heat Transfer, Vol. 113, pp. 296-303.
  52. Hwang, G.J., and Jen, T.C., 1990, “Convective Heat Transfer in Rotating Isothermal Ducts,” International Journal of Heat and Mass Transfer, Vol. 33, No. 9, pp. 1817-1828.
  53. Lavine, A.S., Malkin, S., and Jen, T.C., 1989 , “Thermal Aspects of Grinding with CBN Wheels,” CIRP Annals, Vol. 38, No. 1, pp.557-560.

1. Best paper of year of the CIRP, 1989.