Professor Emeritus of Aerospace and Mechanical Engineering
Research Expertise
Nuclear reactor dosimetry, nuclear data for reactor dosimetry
Radiation damage in semiconductors, radiation effects and measurement, reactor instrumentation and control, applications of research reactors, reactor operations and safety
Signal processing, modeling of neural systems
Education
PhD: Nuclear Reactor Physics, London University, 1971
AME 558: Advanced Modeling and Control Theory of Mechanical Systems
AME 696G: Graduate Seminar
ENGR 102: Introduction to Engineering
Employment
1995-date: Department of Aerospace and Mechanical Engineering, The University of Arizona:
Professor 1995-date
Associate Head for Research and Graduate Studies 8/03-8/07
1992-date: Nuclear Reactor Laboratory, The University of Arizona: Director
1992-95: Nuclear Engineering, The University of Arizona: Professor
1986-91: Nuclear Engineering, University of Illinois, Champaign: Associate Professor and Director, Nuclear Reactor Laboratory
1983-86: Mechanical Engineering, University of Arkansas: Professor
1980-81: Mechanical Engineering, University of Arkansas: Visiting Associate Professor
1971-83: Mechanical Engineering, Imperial College, University of London: Lecturer in Reactor Physics
Honors and Awards
Fellow ASTM, June 2006
ASTM International, Award of Merit, June 2006
ASTM, The Peter Hedgecock Award for Contributions to Nuclear Reactor Dosimetry and Long Service to ASTM Standards Writing on Committee E-10 on Nuclear Technology, January 2001
ASTM, Award of Appreciation for Outstanding Leadership and Service as Program Chairman for the Tenth International Symposium on Reactor Dosimetry, January 2000
Best Paper Award, Tenth International Symposium on Reactor Dosimetry, Osaka, Japan, September 1999
ASTM Award of Appreciation for Outstanding Leadership and Service as the Program Committee Chairman of the 9th International ASTM-Euratom Symposium on Reactor Dosimetry, Prague, September 1996
ASTM Award of Appreciation for Outstanding Leadership and Service as the Program Vice Chairman of the 8th ASTM-EURATOM Symposium on Reactor Dosimetry, Committee E-10 on Nuclear Technology and Applications, January 1994
"Incomplete List of Teachers Ranked as Excellent by Their Students," U. of Illinois Urbana-Champaign, Spring 1990, Fall 1990, Spring 1991
ASTM Award of Appreciation for Contributions to Reactor Dosimetry, ASTM E-10 Committee, 1990
Andersen Consulting Award for Advising Excellence, College of Engineering, UIUC, 1990
Student's Award for Excellence in Undergraduate Teaching, Dept. of Nuclear Engineering students, 1989
ASTM Award of Appreciation for Standards Writing and ASTM-EURATOM Symposium Committee Work, ASTM E-10 Committee, 1989
Outstanding Advisor Award, University of Arkansas, Associated Student Government, 1986
Halliburton Foundation Award for Excellence in Research, College of Engineering, University of Arkansas, 1984
Professional Societies
American Nuclear Society
Fellow, American Society for Testing and Materials
Institute of Electrical and Electronics Engineers
Publications Since 2000
Williams, J. G., Griffin, P. J., King, D. B., Vehar, D. W., Schnauber, T., Luker, S. M., and DePriest, K. R., "Simultaneous Evaluation of Neutron Spectra and 1-MeV-Equivalent (Si) Fluences at SPR-III and ACRR," IEEE Trans. Nucl. Sci., 54:2296-2302, 2007.
Ruddy, F. H., Patel, J. V., and Williams, J. G., Power Monitoring in Space Nuclear Reactors Using Silicon Carbide Radiation Detectors, Proc. Space Nuclear Conference, San Diego, American Nuclear Society, Paper 1072, 8 pp., June 2005.
Williams, J. G., Jun, I., Sallee, W. W., and Cherng, M., Benchmark Experiments for Space Reactor Neutron Shielding of Mission Electronics, IEEE Trans. Nucl. Sci. 51:3658-3663, 2004.
Wagschal, J. J. Williams, J. G. and Yeivin, Y. Y., Three Stage Adjustments of Fluences, Transport Parameters and Damage Parameters in Reactor Vessels, Proceedings of the Eleventh International Symposium on Reactor Dosimetry, Brussels, Belgium, August 2002, World Scientific, 2003.
Williams, J. G., Vehar, D. W., Ruddy, F. H., and Gilliam, D. M., Eds., Reactor Dosimetry: Radiation Metrology and Assessment, ASTM STP 1398, ~900 pp., 2001.
Williams, J. G. and Griffin, P. J., Physically Constrained Adjustment of Calculated Neutron Spectra for Dosimetry and Vessel Locations, Reactor Dosimetry: Radiation Metrology and Assessment (J. G. Williams, D. W. Vehar, F. H. Ruddy, and D. M. Gilliam, eds.), ASTM STP 1398:494-501, 2001.
Griffin, P. J. and Williams, J. G., Adjustment of the 235U Fission Spectrum, Reactor Dosimetry: Radiation Metrology and Assessment (J. G. Williams, D. W. Vehar, F. H. Ruddy, and D. M. Gilliam, eds.), ASTM STP 1398:352-359, 2001.
Research Grants Since 2003
Feasibility Analysis for an Accelerator-Based Neutron Source for Radiation Effects Testing, New Mexico Tech./DoD, 11/1/06-1/31/08.
Neutron Spectrum Validation and Adjustment for the SPR III Central Cavity, Sandia NL/DOE, 5/18/06-8/15/07.
Gamma Ray Irradiation Services in Support of Radiation Testing Effects, General Dynamics Corp., 5/5/06-8/31/06.
Dosimetry of Neutron Irradiated Soil, Lawrence Livermore National Laboratory/DOE, 10/7/05-12/13/07.
Computational and Experimental Evaluation of Neutron Shielding Materials and Geometry for Future Nuclear Reactor Space Missions, JPL/NASA, 3/31/03-9/30/04.
