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Joonhong Ahn

Professor
Email: 
ahn@nuc.berkeley.edu
Office: 
4165 Etcheverry Hall
Phone: 
510-642-5107
Fax: 
510-643-9685
Education: 

D.Eng., Nuclear Engineering, University of Tokyo, 1989
Ph.D., Nuclear Engineering, University of California, Berkeley, 1988

Teaching and Research: 

Professor Ahn teaches undergraduate and graduate courses in radioactive waste management. The undergraduate course covers broad aspects of radioactive waste management, whereas the graduate course concentrates on safety assessment aspects of high-level radioactive waste disposal into deep geologic formations. His research interests involve mathematical analyses of radionuclide transport in heterogeneous geologic formations and of radionuclide release from man-made waste disposal systems. He is also interested in integrating these into an overall performance assessment model, and analyzing the nature of uncertainty incorporated in long-term assessments for radioactive waste disposal. He also teaches the Nuclear Design course for undergraduates. The course aims at providing students with an opportunity for integrating knowledge into an engineering solution for a specific problem.

Selected Publications: 

Ahn, J., An Environmental Impact Measure for Nuclear Fuel Cycle Evaluation, Journal of Nuclear Science and Technology, 41(3), 296-306, 2004

Kawasaki, D., J. Ahn, P. L. Chambre, and W. G. Halsey, Congruent Release of Long-Lived Radionuclides from Multiple Canister Arrays, Nuclear Technology, 148, 181-193, 2004.

Ahn, J., and T. Ikegami, Effective Application of Partitioning and Transmutation Technologies to Geologic Disposal, Eighth Information Exchange Meeting on Actinide and Fission Product Partitioning & Transmutation, Las Vegas, Nevada, Nuclear Energy Agency, Organization for Economic Co-operation and Development (OECD/NEA), Nov. 9-11, 2004.

Ahn, J., Environmental Impact of Yucca Mountain Repository, Global 2005, Tsukuba, Japan, Oct 9-13, 2005, AESJ, ANS, 2005.

Cheon, M., and J. Ahn, Expansion of Yucca Mountain Repository Capacity by ATW Fuel Cycle, Global 2005, Tsukuba, Japan, Oct 9-13, 2005, AESJ, ANS, 2005.

Kawasaki, D., J. Ahn, and P. L. Chambre, Markov Chain Model for Particle Migration at the Repository Scale, Global 2005, Tsukuba, Japan,
Oct 9-13, 2005, AESJ, ANS, 2005.

Tsujimoto, K., and J. Ahn, Uncertainty Analysis of Multiple Canister Repository Model by Earth Simulator, 11th International High-
Level Radioactive Waste Management Conference (IHLRWM), April 30-May 4, 2006, Las Vegas, Nevada, American Nuclear Society, 2006.

Borrelli, R. A., and J. Ahn, Bentonite Extrusion in Planar Fracture Based on Net Water Flow, 11th International High-Level Radioactive Waste Management Conference (IHLRWM), April 30-May 4, 2006, Las Vegas, Nevada, American Nuclear Society, 2006.

Kawasaki, D., J. Ahn, C.-L. Kim, and J.-B. Park, Deterministic Performance Assessment for Conceptual Repository for Low- and Intermediate-Level Wastes in Korea, Nuclear Technology, to be published in June, 2006.

Ahn, J., P. L. Chambre, and B.-H. Park, Mathematical Analysis on Partitioning and Transmutation System with a Two-Member Nuclide Chain, Nuclear Technology to be published in August, 2006.