Charles L. Thomas- Assistant Professor, Ph.D.
Curriculum Vitae
Education
PhD. Mechanical Engineering, Drexel University, Philadelphia, PA, 1993
M.S. Mechanical Engineering, Drexel University, Philadelphia, PA, 1990
B.S. Mechanical Engineering, Wichita State University, Wichita, KS, 1982
EXPERIENCE
1993-present: Assistant Professor, Department of Mechanical Engineering, University of Utah
1991-1993: Research Specialist, Department of Mechanical Engineering, Drexel University, Philadelphia, PA
1989-1991 (summers): Research Engineer, National Institute of Standards and Technology, Gaithersburg, MD
1988-1991: Teaching/Research Assistant, Drexel University, Philadelphia, PA
PUBLICATIONS AND PRESENTATIONS
"Ultrasonic Measurement of Polymer Material Properties During Injection Molding," C.L. Thomas, A.J. Bur, A.O. Adebo, SPE ANTEC, San Francisco, CA, (1994). (submitted for publication).
"Real-Time Optical Monitoring of Polymer Injection Molding," A.J. Bur, C.L. Thomas, SPE ANTEC, San Francisco, CA, (1994). (submitted for publication).
"Ultrasonic Techniques to Monitor Processing Conditions," C.L. Thomas, J.L. Rose, A.A. Tseng, presented at the Polymer Processing Society Ninth Annual Meeting, Manchester, England, April 5-8, 1993.
"Monitoring Polymer Crystallization and Morphology in Injection Molding," C.L. Thomas, A.A. Tseng, A.J. Bur, J.L. Rose, presented at the 1993 ASNT Research symposium, Nashville, TN, March 30 - April 1, 1993.
"Closed Loop Control of Injection Molding Hold Time," C.L. Thomas, A.A. Tseng, A.J. Bur, J.L. Rose, SPE ANTEC, New Orleans, LA, (1993). (to be published).
"In-line Optical Monitoring of Polymer Injection Molding," A.J. Bur, F.W. Wang, C.L. Thomas, J.L. Rose, SPE ANTEC, New Orleans, LA, (1993). (to be published).
"In-line Optical Monitoring of Polymer Injection Molding," A.J. Bur, F.W. Wang, C.L. Thomas, J.L. Rose, Poly. Eng. and Sci. (accepted for publication, in press).
"Intelligent Processing of Polymer Sheets for Calendaring," A.A. Tseng, W.H. Shih, C.L. Thomas, S.J. Chen, Advances in Poly. Tech., (accepted for publication, in press).
"Monitoring and Modeling Polymer Injection Molding," C.L. Thomas, an invited seminar for the semi-annual meeting of the NIST Consortium on Measurement Technology for Polymer Processing, Gaithersburg, MD, Dec. 4, 1992.
"An Ultrasonic Sensor to Monitor the Mold Cavity Conditions During Injection Molding," C.L. Thomas, J.D. Rose, Z.K. Li, Review of Progress in QNDE, 12 B, 2333, La Jolla, CA, (1992).
"Fluorescence Anisotropy Measurements on a Polymer Melt as a Function of Applied Shear Stress," A.J. Bur, R.E. Lowry, S.C. Roth, C.L. Thomas, and F.W. Wang, Macromolecules 25, 3503, (1992).
"Fluorescence Anisotropy Measurements on Polymer Materials as a Function of Applied Shear Extensional Stress," A.J. Bur, R.E. Lowry, S.C. Roth, C.L. Thomas, F.W. Wang, SPE ANTEC, Detroit, MI, (1992).b
"Observation of Shear and Molecular Orientation Using Fluorescence Anisotropy Measurement," A.J. Bur, R.E. Lowry, S.C. Roth, C.L. Thomas, F.W. Wang, SPE ANTEC, Montreal, Canada, (1991).
"Observation of Shear Induced Molecular Orientation in a Polymer Melt Using Fluorescence Anisotropy Measurements," A.J. Bur, R.E. Lowry, S.C. Roth, C.L. Thomas, and F.W. Wang, Macromolecules, 24, 3715, (1991).
"Sensor Monitoring and Control Concepts for Intelligent Polymer Processing," J.L. Rose, Z.K. Li, C.L. Thomas, G. Chen, and R. Tupil, Proc. of the 5th IEEE International Symposium on Intelligent Control 1990, Philadelphia, PA.
"Sensors for Monitoring and Control in Intelligent Polymer Processing," J.L. Rose, Z.K. Li, C.L. Thomas, G. Chen, R. Tupil, A. Meystel, Review of Progress in QNDE 1990, La Jolla, CA.
"Measurement Techniques for Polymer Processing Based on Fluorescence Spectroscopy," A.J. Bur, C.L. Thomas, S.C. Roth, F.W. Wang, and F.M. Gallant, SPE ANTEC, Dallas, TX, (1990).
"Monitoring the Quality of Mix of Polymer Melts with Particulate Fillers Using Fluorescence Spectroscopy," A.J. Bur, J. Shibata, T.K. Trout, F.W. Wang, C.L. Thomas, Poly. Eng. and Sci., 29, 1759, (1989).
"Non-Destructive Evaluation Measurement Technology for Polymer Processing Based on Fluorescence Spectroscopy," A.J. Bur, R.E. Lowry, F.W. Wang, S.C. Roth, and C.L. Thomas, Review of Progress in QNDE 1989, Brunswick, Maine.
PATENTS
"Official Sensor for the Measurement of Molecular Orientation and Viscosity of Polymeric Materials Based on Fluorescence Radiation," U.S. patent No. 5,151,748, Inventors: A.J. Bur, R.E. Lowry, S.C. Roth, C.L. Thomas, and F.W. Wang.
"Method for Detecting Polymer Solidification During Processing by Injection Molding," A.J. Bur, F.W. Wang, C.L. Thomas, J.L. Rose, patent pending. "Optical Sensor to Monitor Shrinkage and Crystal Morphology During Processing by Injection Molding," A.J. Bur, F.W. Wang, C.L. Thomas, J.L. Rose, under preparation.