Scaling of X pinches from 1 MA to 6 MA.

Bland, Simon Nicholas (Imperial College, London, United Kingdom) ; McBride, Ryan D. ; Wenger, David Franklin ; Sinars, Daniel Brian ; Chittenden, Jeremy Paul (imperial College, London, United Kingdom) ; Pikuz, Sergei A. (Cornell University, Ithaca, NY) ; Hardin

关键词: LINEAR Z PINCH DEVICES;    X RADIATION;    MAGNETIC COMPRESSION;    PLASMA;    LOAD MANAGEMENT;   

DOI  :  10.2172/1011205
RP-ID  :  SAND2010-7318
PID  :  OSTI ID: 1011205
Others  :  TRN: US1102144

学科分类：原子、分子光学和等离子物理

美国|英语

来源: SciTech Connect

【 摘 要 】

This final report for Project 117863 summarizes progress made toward understanding how X-pinch load designs scale to high currents. The X-pinch load geometry was conceived in 1982 as a method to study the formation and properties of bright x-ray spots in z-pinch plasmas. X-pinch plasmas driven by 0.2 MA currents were found to have source sizes of 1 micron, temperatures >1 keV, lifetimes of 10-100 ps, and densities >0.1 times solid density. These conditions are believed to result from the direct magnetic compression of matter. Physical models that capture the behavior of 0.2 MA X pinches predict more extreme parameters at currents >1 MA. This project developed load designs for up to 6 MA on the SATURN facility and attempted to measure the resulting plasma parameters. Source sizes of 5-8 microns were observed in some cases along with evidence for high temperatures (several keV) and short time durations (<500 ps).