Research and Publications
The overarching goal of my research aims to increase thermal system efficiency through heat transfer enhancement and provide innovative solutions to challenging thermal issues. My research motto: Innovation is the outcome of aligning fundamentals with the needs in applied engineering fields. The following are my specific research areas and publications in each area:
Heat Transfer Enhancement (single phase, boiling, and condensation)
Advanced Cooling Technologies
Capillary Flow and Technologies
Thermal Management in Data Centers
Heat Transfer Enhancement (Single Phase, Boiling, and Condensation)
- T. Chen, 2025, “Effects of Helical Ridges on Internal Flow over a Large Range of Flow Conditions," Proceedings of (ASME) Summery Heat Transfer Conference, July 08-11, Westminster CO.
- T. Chen, 2023, “Thermal and Flow Characteristics in a Tube with Helical Ridges," Proceedings of (ASME) Summery Heat Transfer Conference, July 07-11, Washington DC.
- T. Chen, 2019, “Investigation of Condensation Heat Transfer on a Tube with Wavy Fins,” Proceedings of ASME Summer Heat Transfer (paper HT2019-3735), Bellevue, WA, July 15-18.
- T. Chen and D. Wu, 2018, “Enhancement in heat transfer during condensation of a low-GWP refrigerant on a 3D-finned tube,” International Journal of Thermal Sciences, 124, 318-326.
- T. Chen, 2018, “A Method for Estimation of Bundle Condensation Heat Transfer from 3D Enhanced Surfaces,” The 16th International Heat Transfer Conference, paper no. IHTC16-22328, August 20-22, Beijing, China.
- T. Chen, 2017, “Condensation of Different Refrigerants on the Outside Surface of Smooth Cylindrical Tubes”, Proceedings of ASME Summer Heat Transfer (paper HT2017-4855), Bellevue, WA, July 09-12.
- T. Chen, 2017, “Heat Transfer during Condensation of a Low-GWP Refrigerant on an Enhanced Cylindrical Surface”, Proceedings of ASME Summer Heat Transfer (paper HT2017-4857), Bellevue, WA, July 09-12.
- J. N. Chung and T. Chen, 2016, “Condensation,” Multiphase Flow Handbook, ed. C.T. Crowe, CRC Press, Taylor and Francis.
- T. Chen, 2013, “An experimental investigation of enhanced pool boiling heat transfer from a micro-structured cylindrical surface,” Applied Thermal Engineering, 59(1-2) 355-361.
- T. Chen, 2013, “An experimental investigation of nucleate boiling heat transfer from an enhanced cylindrical surface” Proceedings of the 10th International Conference on Multiphase Flow, Jeju, Korea, May 26-30.
- T. Chen, 2012, “Water-heating pool boiling of different refrigerants on the outside surface of a horizontal smooth tube,” ASME Journal of Heat Transfer, 134 (2) 021502.
- J. N. Chung, T. Chen, S.C. Maroo, 2011, “A review of recent progress on nano/micro scale nucleate boiling fundamentals,” Journal of Frontier of Heat and Mass Transfer, 2, 023004, pp. 1-12.
- T. Chen, 2011, “Water-heating pool boiling of different refrigerants on a horizontal smooth tube,” Proceedings of the ASME/JSME 8th Thermal Engineering Joint Conference, Honolulu, Hawaii, March 13-17.
- J. Kim and T. Chen, 2010, “Heat transfer enhancement methods,” Encyclopedia of Aerospace Engineering, eds. R. Blockley and W. Shyy, volume 1, section 5(3), chapter 3, Wiley & Blackwell Inc., DOI: 10.1002/9780470686652.eae045
- T. Chen, 2010, “Enhanced heat transfer during boiling of a refrigerant on a micro-structured cylindrical surface and effect of saturation temperature,” Proceedings of 14th International Heat Transfer Conference, Washington D.C., August 10-14.
- T. Chen, 2008, “Prediction of bundle shell side condensation heat transfer coefficient based on experimentally-determined single tube performance,” Proceedings of ASME Summer Heat Transfer, Jacksonville, FL, August 10-14.
- T. Chen, J. F. Klausner, S. V. Garimella, and J. N. Chung, 2006, “Subcooled boiling incipience on a highly smooth microheater,” International Journal of Heat and Mass Transfer, 49, 4399-4406.
- T. Chen, J. F. Klausner, and J. N. Chung, 2004, “Subcooled boiling heat transfer and dryout on a constant temperature microheater,” International Journal of Heat and Fluid Flow, 25, 274-287.
- J. N. Chung, W. Shyy, K. Yuan, T. Chen and C. Carvalho, 2004, “Microgravity cryogenic boiling heat transfer with application to ZBO and pipe chilldown” Advances in Cryogenics: Transaction of Cryogenic Engineering Conference – CEC, 49, 1179-1186.
- J. N. Chung, W. Shyy, K. Yuan, T. Chen and C. Carvalho, 2003, “Microgravity cryogenic boiling heat transfer with application to ZBO and pipe chilldown” Proceedings of 2003 Cryogenic Engineering Conference, Anchorage, Alaska, September 22-26.
- T. Chen and J. N. Chung, 2003, “Experimental study of miniature-scale pool boiling,” ASME Journal of Heat Transfer, 125, 1074-1086.
- T. Chen and J. N. Chung, 2003, “Heat transfer effects of coalescence of bubbles from various site distributions,” Proceedings of Royal Society, England: Mathematical, Physical and Engineering Sciences, 459, 2497-2527.
- T. Chen, J. F. Klausner, and J. N. Chung, 2003, “Subcooled boiling heat transfer and dryout on a constant temperature microheater,” Proceedings of the 5th International Conference on Boiling Heat Transfer, Montego Bay, Jamaica, May 5-8.
- J. N. Chung and T. Chen, 2003, “Bubble coalescence and its heat transfer effects,” Proceedings of ASME – JSME Thermal Engineering Joint Conference, Hupuna Beach Prince Hotel, Kohala Coast, Hawaii Island, Hawaii, USA, March 16-20.
- T. Chen and J. N. Chung, 2002, “Coalescence of bubbles in nucleate boiling on microheaters,” International Journal of Heat and Mass Transfer, 45, 2329-2341.
- T. Chen and J. N. Chung, 2000, “Coalescence of dual bubbles on micro heaters,” Proceedings of the ASME International Mechanical Engineering Congress and Exposition, Orlando, Florida, November 11-17.
Advanced Cooling Technologies
- T. Chen and S. V. Garimella, 2012, “A study of critical heat flux during flow boiling of a dielectric coolant in a microchannel heat sink,” ASME Journal of Heat Transfer, 134 (1) 011504.
- T. Chen and S. V. Garimella, 2011, “Local heat transfer distribution and effect of instabilities during flow boiling in a silicon microchannel heat sink,” International Journal of Heat and Mass Transfer, 54, 3179-3190.
- T. Chen and S. V. Garimella, 2011, “A study of critical heat flux during flow boiling of a dielectric coolant in a microchannel heat sink,” Proceedings of the ASME/JSME 8th Thermal Engineering Joint Conference, Honolulu, Hawaii, March 13-17.
- D. Liu, P. Lee, T. Chen, B. J. Jones, T. Harirchian, J. McHale, and S. Garimella, 2007, "Heat Transfer and Fluid Transport in Microchannels" Purdue e-Pubs: Birck Poster Sessions. Paper 13. http://docs. lib. purdue.edu/nanoposter/13
- T. Chen and S. V. Garimella, 2007, “Flow boiling heat transfer to a dielectric coolant in a microchannel heat sink,” IEEE Transactions on Components and Packaging Technologies, 30, 24-31.
- T. Chen and S. V. Garimella, 2006, “Effects of Dissolved air on subcooled flow boiling of a dielectric coolant in a microchannel heat sink,” ASME Journal of Electronic Packaging, 128, 398-404.
- T. Chen and S. V. Garimella, 2006, “Measurements and high-speed visualizations of flowing boiling heat transfer to a dielectric liquid in a silicon microchannel heat Sink,” International Journal of Multiphase Flow, 32, 957-971.
- T. Chen and S. V. Garimella, 2006, “Two-phase flow patterns for convective boiling in microchannels,” Photogallery at the ASME International Mechanical Engineering Congress and Exposition, Chicago, Illinois, November 5-10.
- T. Chen and S. V. Garimella, 2005, “Flow boiling heat transfer of a dielectric coolant in a microchannel heat sink,” Proceedings of InterPACK '05, San Francisco, California, July 17-22.
- T. Chen and S. V. Garimella, 2005, “Effects of dissolved air on subcooled flow boiling of a dielectric coolant in a microchannel heat sink,” Proceedings of 3rd International Conference on Microchannels and Minichannels, Toronto, Canada, June 13-15.
Capillary Flow and Technologies
- T. Chen, 2016, “Heat Transfer to Wetting and Non-Wetting liquid Droplets Deposited onto a Heated Microgroove Surface” Proceedings of the 16th IEEE ITHERM Conference, Las Vegas, NV, May 31-June 03.
- T. Chen, 2015, “Capillary force-driven fluid flow in open grooves with different sizes,” AIAA Journal of Thermophysics and Heat Transfer, 29(3) 594-601, doi: 10.2514/1.T4313.
- T. Chen, 2014, “Heat pipes and their applications,” Encyclopedia of Two-Phase Heat Transfer and Flow II: Special Topics and Applications, eds. J. Thome, J. Kim, and A. Jacobi, in press. World Scientific Publishing Company Pte Ltd.
- T. Chen, 2014, “Capillary Force-Driven Fluid Flow of a Wetting Liquid in Open Grooves with Different Sizes” Proceedings of the 14th IEEE ITHERM Conference, Orlando, FL, May 27-30.
- Taylor Kunke and T. Chen, 2014, “Heat Transfer during Evaporation of Surface Tension-Driven Liquid Thin Films on a Surface with Microchannels”, Presented at the 12th Annual Spokane Intercollediate Research Conference (SIRC), Spokane WA, April 26.
- T. Chen, 2012, “Capillary force-driven fluid flow in open microchannels,” Proceedings of the ASME 2012 10th International Conference on Nanochannels, Microchannels and Minichannels, Puerto Rico, July 8-12.
- T. Chen and J. Kim, 2010, “Heat pipes & thermosyphons,” Encyclopedia of Aerospace Engineering, eds. R. Blockley and W. Shyy, volume 1, section 5(3), chapter 4, Wiley & Blackwell Inc., DOI: 10.1002/9780470686652.eae578
Thermal Management of Data Centers
- L. Wei, C. Bi, and T. Chen, 2023, “A Simulation Study of Factors Affecting Cooling Performance of a Fan Wall-Cooled Data Center," Proceedings of the 17th International Conference on Sustainable Energy, July 07-11, Washington DC.