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DTRA’s advancements in nuclear and radiological detection
A new, more complex nuclear age has begun. Echoing the tensions of the Cold War amid rapidly evolving nuclear and radiological threats, preparedness in the modern age is a contest of scientific innovation. The Research and Development Directorate (RD) at the Defense Threat Reduction Agency (DTRA) is charged with winning this contest.
B. Seiwald, V. N. Kalyuzhnyj, S. V. Kasilov, W. Kernbichler, V. V. Nemov
Fusion Science and Technology | Volume 50 | Number 3 | October 2006 | Pages 447-456
Technical Paper | Stellarators | doi.org/10.13182/FST06-A1268
Articles are hosted by Taylor and Francis Online.
In the framework of optimization of confinement properties of Uragan-2M, neoclassical transport in the 1/ regime and the pertinent stored energy are studied. A rather wide range of device configurations is considered. For the computations the field line following code NEO for computation of transport measures is used. Computations are performed in real-space coordinates using the magnetic field produced by the device coils. The difference of currents in adjacent groups of toroidal field (TF) coils as well as the current in the TF coils and the additional vertical magnetic field are used as varying parameters.Some possibilities for improving the 1/ transport corresponding to optimum values of the varying parameters are presented.