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Fusion Science and Technology
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NEA irradiation system ready to deploy at MITR
A new irradiation experimental system is ready for deployment. The rig, which is the focus of In-Core Real-Time Mechanical Testing of Structural Materials (INCREASE-I), an OECD Nuclear Energy Agency project, will be used to conduct stress-relaxation tests of stainless steel at the Massachusetts Institute of Technology Reactor (MITR), according to the OECD NEA.
W. L. Baker, J. H. Degnan, J. D. Beason, G. Bird, C. N. Boyer, J. S. Buff, S. K. Coffey, J. F. Davis III, M. H. Frese, J. D. Graham, K. E. Hackett, D. J. Hall, J. L. Holmes, E. A. Lopez, R. E. Peterkin, Jr., D. W. Price, N. F. Roderick, S. W. Seiler, P. J. Turchi
Fusion Science and Technology | Volume 27 | Number 2 | March 1995 | Pages 124-131
Experimental Device | Special Section: Pulsed High-Density Systems | doi.org/10.13182/FST95-A30369
Articles are hosted by Taylor and Francis Online.
Vacuum inductive-store, plasma flow switch-driven implosion experiments have been performed using the Shiva Star capacitor bank (1300 µf, 3 nH, 120 kV, 9.4 MJ). A coaxial plasma gun arrangement is employed to store magnetic energy in the vacuum volume upstream of a dynamic discharge during the 3- to 4-µs rise of current from the capacitor bank. Motion of the discharge off the end of the inner conductor of the gun releases this energy to implode a coaxial cylindrical foil. The implosion loads are 5-cm-radius, 2-cm-long, 200 to 400 µg/cm2 cylinders of aluminum or aluminized Formvar. With 5 MJ stored initially in the capacitor bank, more than 9 MA are delivered to the implosion load with a rise time of ∼200 ns. The subsequent implosion results in a radiation output of 0.95 MJ at a power exceeding 5 TW (assuming isotropic emission). Experimental results and related two-dimensional magnetohydrodynamic simulations are discussed.