Department of Mechanical and Aerospace Engineering


Leonard Case Jr. Professor Emeritus of Enginnering

Phone: (216) 368-4581
Office Location: Glennan 620 A

  • Ph.D., Princeton University, 1971 (Aerospace and Mechanical Sciences)
  • M.S., Purdue University, 1966, (Engineering Sciences)
  • B.S.E., National Taiwan Univsersity, 1963 (Mechanical Engineering)
Research Areas:
  • Combustion(terrestrial and extraterrestrail)
  • Propulsion
  • Fire Research
Teaching Interests:
  • Fluid and Thermal Sciences
  • Propulsion
  • Combustion
  • T’ien, J. S.: “Theoretical Analyses of Combustion Instability,” Chapter 14 in Fundamentals of Combustion of Solid Propellants, American Institute of Aeronautics and Astronautics Progress Series, Vol. 90, edited by K. Kuo and M. Summerfield (1984).
  • T’ien, J.S., Shih, H.Y, Jiang, C.B., et al: Chapter 5 in “Mechanisms of Flame Spread and Smolder Wave Propagation”, Microgravity Combustion: Fire in Free Fall, pp. 299-345, (H. Ross, ed.), Academic Press (2001).
  • T’ien, J. S., Some partial scaling considerations in microgravity combustion problems, Progress in Scale Modeling, Kozo Saito (ed.), pp.281-292, Springer (2008).
  • Brady, K, Sung, C.-J. and T’ien, J.S.: Dispersion and catalytic ignition of hydrogen leaks within enclosed spaces, International Journal of Hydrogen Energy, Volume 37, Issue 13, July 2012, Pages 10405-10415
  • Kumar, A. and T’ien, J.S.: Numerical modeling of limiting oxygen index apparatus for film type fuels, International Journal of Spray and Combustion Dynamics, Volume 4, Number 4, 2012, Pages 299-322
  • T’ien, J.S. and Endo, M.: Material flammability: a combustion science prospective, Procedia Engineering 62 (2013) 120 – 129
  • Bartkus, T.P., T’ien, J.S. and Sung, C.-J.: A Semi-Global Reaction Rate Model Based on Experimental Data for the Self-Hydrolysis Kinetics of Aqueous Sodium Borohydride, International Journal of Hydrogen Energy, 38 (2013) 4024-4033
  • Liao, Y.-T. T. and T’ien, J.S.: A numerical simulation of transient ignition and ignition limit of a composite solid by a localized radiant source, Combustion Theory and Modelling (2013), DOI: 10.1080/13647830.2013.831486
  • Takahashi, F., Abbott, A., Murray, T.M., T’ien, J.S., Olson, S.L.: Thermal response characteristics of fire blanket materials, Fire and Materials (2013), DOI: 10.1002/fam.2202
 Honors & Awards:
  • Public Service Medal, NASA, 2000
  • Honorable Member, Combustion Institute, Chinese Taipei Section, 2001