Bow shocks in ablated plasma streams for nested wire array z-pinches: A laboratory astrophysics testbed for radiatively cooled shocks
نویسندگان
چکیده
A laboratory astrophysics testbed for radiatively cooled shocks D. J. Ampleford, C. A. Jennings, G. N. Hall, S. V. Lebedev, S. N. Bland, S. C. Bott, F. Suzuki-Vidal, J. B. A. Palmer, J. P. Chittenden, M. E. Cuneo, A. Frank, E. G. Blackman, and A. Ciardi Sandia National Laboratories, Albuquerque, New Mexico 87185-1106, USA The Blackett Laboratory, Imperial College, London SW7 2BW, United Kingdom Center for Energy Research, University of California, San Diego, La Jolla, California 92093, USA Department of Physics and Astronomy, University of Rochester, Rochester, New York 14627, USA and Laboratory for Laser Energetics, University of Rochester, Rochester, New York 14627, USA LERMA, Universite Pierre et Marie Curie, Observatoire de Paris, 5 Place Jules Janssen, Meudon 92195, France
منابع مشابه
Supersonic radiatively cooled rotating flows and jets in the laboratory.
The first laboratory astrophysics experiments to produce a radiatively cooled plasma jet with dynamically significant angular momentum are discussed. A new configuration of wire array z pinch, the twisted conical wire array, is used to produce convergent plasma flows each rotating about the central axis. Collision of the flows produces a standing shock and jet that each have supersonic azimutha...
متن کاملBow Shock Fragmentation Driven by a Thermal Instability in Laboratory Astrophysics Experiments
The role of radiative cooling during the evolution of a bow shock was studied in laboratory-astrophysics experiments that are scalable to bow shocks present in jets from young stellar objects. The laboratory bow shock is formed during the collision of two counterstreaming, supersonic plasma jets produced by an opposing pair of radial foil Z-pinches driven by the current pulse from the MAGPIE pu...
متن کاملMagnetic Field Measurements in Wire-Array Z- Pinches and X Pinches
We are investigating novel techniques to obtain time-dependent magnetic field measurements in wire-array Z-pinches and X-pinches. An ideal method would be emission spectroscopy (Zeeman splitting of lines, for example, in the visible or VUV spectrum), as it would be entirely passive and non-perturbing. However, a spectroscopic method to determine the high magnetic fields present in megampere lev...
متن کاملAxial x-ray backlighting of wire-array Z-pinches using X pinches.
For the first time, a geometry has been developed to allow for an axial imaging system for wire-array Z-pinch experiments that produce high-resolution x-ray images. The new geometry required a significant redesign of the electrode hardware. Calibrated areal density measurements of the Z-pinch plasma including wire cores, coronal plasma, streaming plasma, and the precursor were obtained. The sys...
متن کاملApplication of one-dimensional stagnation solutions to three-dimensional simulation of compact wire array in absence of radiation
Articles you may be interested in Shock model description of the interaction radiation pulse in nested wire array z-pinches Computer studies on the three-dimensional spontaneous fast reconnection model as a nonlinear instability We investigate the stagnation phase of a three-dimensional (3D), magnetohydrodynamic simulation of a compact, tungsten wire-array Z pinch, under the simplifying assumpt...
متن کاملذخیره در منابع من
با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید
عنوان ژورنال:
دوره شماره
صفحات -
تاریخ انتشار 2010