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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.
S. Masamune, M. Iida, D. Ishijima, N. Oda, A. Tanonaka, H. Oshiyama
Fusion Science and Technology | Volume 27 | Number 3 | April 1995 | Pages 293-296
Reversed Field Pinch Studies | doi.org/10.13182/FST95-A11947090
Articles are hosted by Taylor and Francis Online.
Global discharge parameters have been studied in the Separatrix Test Experiment (STE)-2 reversed-field pinch (RFP) using circular and poloidal divertor RFP plasmas. An increase in the proximity of the resistive shell resulted in a reduction of the anomalous discharge resistance in both plasmas. In poloidal divertor discharges, heat flux measurements indicate that field-aligned flow of superthermal (fast) electrons exist both at the edge of the main plasma and in the divertor chamber, carrying significant amount of the heat flux in both regions. Implications of the results to the advanced RFP concept will be discussed.