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Nuclear Dirigo
On April 22, 1959, Rear Admiral George J. King, superintendent of the Maine Maritime Academy, announced that following the completion of the 1960 training cruise, cadets would begin the study of nuclear engineering. Courses at that time included radiation physics, reactor control and instrumentation, reactor theory and engineering, thermodynamics, shielding, core design, reactor maintenance, and nuclear aspects.
Y. Maeda, Y. Edao, S. Yamaguchi, S. Fukada
Fusion Science and Technology | Volume 54 | Number 1 | July 2008 | Pages 131-134
Technical Paper | Blanket Design | doi.org/10.13182/FST54-131
Articles are hosted by Taylor and Francis Online.
The diffusion, solution and permeation coefficients of hydrogen isotopes in liquid Li-Pb which is a candidate liquid blanket material for fusion reactors were determined in the temperature range 573-973K using an unsteady permeation method. Each coefficiens was correlated to temperature as follows:DLi-Pb = 1.8 × 10-8 exp(-11590/RT) [m2/s] (1)KLi-Pb = 2.1 × 10-6 exp(-18700/RT) [1/Pa0.5] (2)PLi-Pb = 1.8 × 10-9 exp(-30290/RT) [mol/msPa0.5] (3)The hydrogen permeation flux depends on the square root of pressure at 773-973K. Although the power of pressure declined below 0.4 when temperature was below 673K, the effects of surface resistance were neglected above 673K.The hydrogen solubility in liquid Li-Pbwas found to correlate with a Sievert's constant.We calculated a height-equivalent to theoretical-plate of a gas-liquid countercurrent extraction tower for tritium recovery rates in liquid Li-Pb to beHL = 7.0 × 10-2 [m] (4)
