منابع مشابه
Adaptive Simulation of Electrical Discharges
We present an adaptive animation method for electrical discharges. Electric discharges can be simulated using the dielectric breakdown model. Regular discretization of the governing Laplace equation leads to huge equation systems, and the computational cost of solving the equations quickly becomes prohibitive at high resolutions, especially for simulations in 3D. In contrast, our method discret...
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AFFILIATIONS: LYONS AND NELSON—FMA Research, Inc., Fort Collins, Colorado; ARMSTRONG—Mission Research Corporation, Nashua, New Hampshire; PASKO—The Pennsylvania State University, University Park, Pennsylvania; STANLEY—Los Alamos National Laboratory, Los Alamos, New Mexico CORRESPONDING AUTHOR: Walter A. Lyons, CCM, FMA Research, Inc., Yucca Ridge Field Station, 46050 Weld County Road 13, Fort C...
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Two electrical techniques that are frequently used to characterize radio frequency plasmas are described: current–voltage probes for plasma power input and compensated Langmuir probes for electron energy probability functions and other parameters. The following examples of the use of these techniques, sometimes in conjunction with other diagnostic methods, are presented: plasma source standardi...
متن کاملCompact intracloud lightning discharges: 2. Estimation of electrical parameters
[1] We estimated electrical parameters of 48 located compact intracloud discharges (CIDs) using their measured electric fields and vertical Hertzian dipole approximation. This approximation is consistent with the more general bouncing‐wave CID model for a reasonably large subset of allowed combinations of propagation speed and channel length. For nine events, we estimated channel lengths from o...
متن کاملOptimal parameters of electrical impulses for defibrillation by condenser discharges.
• Determination of the defibrillation threshold of the heart is important not only for developing the technique of defibrillation per se but also for improving the design of instruments used for that purpose. Previous workhas shown the necessity of selecting, for the discharge circuit, parameters that will keep voltage as low as possible, but many questions concerning the optimal parameters for...
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ژورنال
عنوان ژورنال: Nature
سال: 1959
ISSN: 0028-0836,1476-4687
DOI: 10.1038/183091a0