Title :
Radiation from dynamic Z-pinches
Author :
Davis, J. ; Giuliani, J. ; Clark, Robin ; Apruzese, J. ; Deeney, C.
Author_Institution :
Div. of Plasma Phys., Naval Res. Lab., Washington, DC, USA
Abstract :
Summary form only given. In commenting on the current status, a brief discussion is presented on some methodologies and models that have been employed in modeling radiation production and radiation transport in Z-pinch plasmas. A comparison is made between experimental data from a Titanium wire array and 1-D MHD radiation transport numerical simulation using CRE and LTE ionization dynamic models. In addition, a numerical simulation is carried out with the same MHD platform but with an LTE radiation diffusion model. The consequences that stem from the compromises and tradeoffs that result from the different approximations that are made are addressed. We will explore the role radiation plays in the dynamic evolution of a Z-pinch and inquire whether the magnitude of the emitted radiation is large enough to necessitate the need for a self-consistent radiation-hydrodynamic treatment.
Keywords :
Z pinch; ionisation; plasma applications; plasma simulation; 1-D MHD radiation transport numerical simulation; CRE; LTE ionization dynamic models; MHD platform; Ti wire array; Z-pinch plasmas; dynamic Z-pinches; dynamic evolution; emitted radiation; numerical simulation; plasma simulation; radiation production; radiation transport; self-consistent radiation-hydrodynamic treatment; titanium wire; Explosions; Laboratories; Magnetohydrodynamics; Numerical simulation; Physics; Plasma devices; Plasma simulation; Plasma sources; Plasma x-ray sources; Production;
Conference_Titel :
Plasma Science, 2000. ICOPS 2000. IEEE Conference Record - Abstracts. The 27th IEEE International Conference on
Conference_Location :
New Orleans, LA, USA
Print_ISBN :
0-7803-5982-8
DOI :
10.1109/PLASMA.2000.855114