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Donald J. Dudziak |
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Professor Emeritus of Nuclear Engineering
office: 2109 Burlington Engineering Laboratories
phone: 919.515.1465
fax: 919.515.5115
e-mail: dudziak@ncsu.edu
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| education: |
B.S. (Marine Engineering) 1956, U.S. Merchant Marine Academy
M.S. (Radiological Physics/Radiation Biology) 1957, University of Rochester
Ph.D. (Applied Mathematics) 1963, University of Pittsburgh
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| research areas: |
Fusion Reactor Systems Studies: For several years we have been
exploring the potential paths to practical and economic fusion power
plants, using magnetically or inertially confined plasmas as the primary
energy source. This requires investigations of many technology areas,
from plasma engineering issues such as refueling and diagnostic instrumentation, to nucleonics of the reactor blanket and shielding. Systems studies
are then concerned with assessment of these technologies, integrating
them into workable reactor systems, identifying research and development
programs needed for feasibility of the systems, and then doing tradeoff
studies to optimize the technical and economic performance of promising
reactor concepts. Nuclear engineers are involved in all aspects of this
process. Recently, my interests have been directed at the nuclear performance of the blanket and shielding.
Criticality Safety: A recent interest of ours has been analysis
of critical assemblies, with emphasis on safety issues. In association
with Los Alamos National Laboratory, an M.N.E. Trainee student has analyzed the effect of voids in the SHEBA-II solution critical assembly. These
analyses are in the process of being followed by an experimental verification at Los Alamos.
Nucleonics Sensitivity and Uncertainty Analysis: Numerical
methods and computer codes for determining the sensitivity of nucleonic
responses to nuclear cross-section errors have been under development
for some time. Responses of interest to fusion blanket and shield designers include biological dose, nuclear heating, radiation damage, and activation. In cooperation with Swiss colleagues, we have developed the state of
the art in both 2-dimensional transport codes (TRISM) and in sensitivity
and uncertainty analysis codes (SENSIBL). Our current research is in
the application of these codes, along with covariance data for cross
sections, to uncertainty analysis for fusion blanket/shield integral
experiments. These techniques will next be extended to Monte Carlo analysis, and to the study of sensitivity to design uncertainties or changes.
High-energy Hadron Damage to Materials: We have recently undertaken
research in collaboration with Adjunct Professor Monroe Wechsler on
the effects of 20-MeV to 1.6-GeV hadrons on metals of interest in the
design of accelerator-driven spallation neutron sources for production
of tritium, transmutation of nuclear waste, and other applications.
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| publications: |
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