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One And Two Dimensional Density And Temperature Measurements Of An Argon Neon Z Pinch Plasma At Stagnation
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Book Synopsis One- and Two-dimensional Density and Temperature Measurements of an Argon-neon Z-pinch Plasma at Stagnation by :
Download or read book One- and Two-dimensional Density and Temperature Measurements of an Argon-neon Z-pinch Plasma at Stagnation written by and published by . This book was released on 1996 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: In order to benchmark and improve current 2D radiation magnetohydrodynamic (MHD) models of Z-pinch plasmas, we have performed experiments which characterize the plasma -conditions at stagnation. In the experiments the SATURN pulsed power facility at Sandia National Laboratory was used to create an imploding -Ar-Ne plasma. An absolutely calibrated, high resolution space- and time- resolving Johann crystal spectrometer was used to infer the electron temperature Te from the slope of the hydrogenlike Ne free-bound continuum, and the ion density ni from the Stark broadening of the Ar heliunlike Rydberg series. 2D electron temperature profiles of the plasma are obtained from a set of imaging crystals also focused on the Ne free-bound continuum. We shot two types of gas nozzles in the experiment, annular and uniform fill which varies the amount of mass in the plasma. 2D local thermodynamic equilibrium (LTE) and non-LTE MM models predict a radiating region denser and cooler than measured.
Author :Silvano Fineschi Publisher :SPIE-International Society for Optical Engineering ISBN 13 : Total Pages :304 pages Book Rating :4.3/5 (91 download)
Book Synopsis Ultraviolet and X-ray Detection, Spectroscopy, and Polarimetry III by : Silvano Fineschi
Download or read book Ultraviolet and X-ray Detection, Spectroscopy, and Polarimetry III written by Silvano Fineschi and published by SPIE-International Society for Optical Engineering. This book was released on 1999 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Application of Accelerators in Research and Industry by : Jerome L. Duggan
Download or read book Application of Accelerators in Research and Industry written by Jerome L. Duggan and published by . This book was released on 1997 with total page 792 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Spectroscopic Study of Neon Z-pinch Plasma for Sodium-neon Photopumping Experiments by : Benjamin Lawrence Welch
Download or read book Spectroscopic Study of Neon Z-pinch Plasma for Sodium-neon Photopumping Experiments written by Benjamin Lawrence Welch and published by . This book was released on 1991 with total page 548 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Conference Record, Abstracts written by and published by . This book was released on 1988 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1969 with total page 1960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Plasma Physics Index written by and published by . This book was released on 1973 with total page 694 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Scientific and Technical Aerospace Reports by :
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1972 with total page 228 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Behavior of a Plasma in a High-density Gas-embedded Z-pinch Configuration by :
Download or read book Behavior of a Plasma in a High-density Gas-embedded Z-pinch Configuration written by and published by . This book was released on 1982 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The theoretical analysis of a high density Z-pinch (HDZP) begins with an examination of the steady state energy balance between ohmic heating and bremsstrahlung radiation losses for a plasma column in pressure equilibrium. The model is then expanded to include the time-varying internal energy and results in a quasi-equilibrium prescription for the load current through a constant radius plasma channel. This set of current waveforms is useful in the design of experimental systems. The behavior of a plasma for physically realizable conditions is first examined by allowing adiabatic changes in the column radius. A more complete model is then developed by incorporating inertial effects into the momentum equation, and the resultant global MHD computational model is compared with more sophisticated, and costly, one- and two-dimensional computer simulations. These comparisons demonstrate the advantages of the global MHD description over previously developed zero-dimensional models.
Book Synopsis Time-dependent Electron Temperature Diagnostics for High-power, Aluminum Z-pinch Plasmas by :
Download or read book Time-dependent Electron Temperature Diagnostics for High-power, Aluminum Z-pinch Plasmas written by and published by . This book was released on 1996 with total page 23 pages. Available in PDF, EPUB and Kindle. Book excerpt: Time-resolved x-ray pinhole photographs and time-integrated radially-resolved x-ray crystal spectrometer measurements of azimuthally-symmetric aluminum-wire implosions suggest that the final pinch is composed of a hot dense plasma core surrounded by a cooler plasma halo. The slope of the free-bound x-ray continuum measured using filtered photoconducting diodes, provides a time-resolved, model-independent diagnostic of the core electron temperature. A simultaneous measurement of the time-resolved K-shell line spectra provides a diagnostic to indirectly measure the electron temperature of the plasma halo. Together, measurements from the two diagnostics lend support to a picture that also emerges from a 1-D Rad-Hydro model; namely, that of a plasma whose thermalization on axis produces steep radial gradients in temperature, where the temperatures are substantially in excess of a kilovolt in the core and below a kilovolt in the surrounding plasma halo.
Book Synopsis Induction Plasma Heating by : Peter H. Dundas
Download or read book Induction Plasma Heating written by Peter H. Dundas and published by . This book was released on 1970 with total page 76 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report investigates mixing and temperature measurements on argon plasma operating as heater for surrounding sheath of air or hydrogen.
Book Synopsis Preliminary Study of Spectrographic Temperature Measurements of an Argon Plasmajet by : K. L. Shipley
Download or read book Preliminary Study of Spectrographic Temperature Measurements of an Argon Plasmajet written by K. L. Shipley and published by . This book was released on 1961 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt: Spectrographic temperature measurement of an argon plasmajet have been attempted. Methods used in this preliminary study were: stark broadening of hydrogen lines, and relative intensities of argon lines. Results of these experiments are given, along with plans for further spectrographic studies.
Book Synopsis Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics by :
Download or read book Documentation of Plasma Physics. Pt. 1, Experimental Plasma Physics [and] Theoretical Plasma Physics written by and published by . This book was released on 1971 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Ionization Equilibrium of Optically Thick Argon Z-Pinch Plasmas for Electron Temperatures Between 25 and 65 EV. by : J. P. Apruzese
Download or read book The Ionization Equilibrium of Optically Thick Argon Z-Pinch Plasmas for Electron Temperatures Between 25 and 65 EV. written by J. P. Apruzese and published by . This book was released on 1985 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: Calculations of the ionization balance of optically thick argon plasmas of electron temperature 25-65 eV are presented. A multistage, multilevel model of argon ions with accurate radiation transport of about 50 lines in the sodium, neon, and flourine-like stages forms the basis of the calculations. By comparison with similar optically thin calculations, the effects on ionization of radiative and collisional pumping of excited states of these stages is delineated. In particular, the broad temperature distribution of the neon-like stage is compressed by line photon pumping to a narrower regime of existence because of ionization from the excited states. The relevance to the 3p-3s lasing scheme in neon-like argon is briefly discussed. Keywords: Ionization equilibrium; Gamble-II generator; Argon plasma; Collisional pumping. (Author).
Book Synopsis Measurement of Plasma Temperature and Density Profiles Implosion Velocity and Kinetic Energy in Wire Array Z Pinches by :
Download or read book Measurement of Plasma Temperature and Density Profiles Implosion Velocity and Kinetic Energy in Wire Array Z Pinches written by and published by . This book was released on 2007 with total page 30 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Temperature Profiles in Argon Induction Plasmas: Theory and Experiment by : Hans U. Eckert
Download or read book Temperature Profiles in Argon Induction Plasmas: Theory and Experiment written by Hans U. Eckert and published by . This book was released on 1971 with total page 25 pages. Available in PDF, EPUB and Kindle. Book excerpt: A comparison is made between recent temperature measurements of argon induction plasmas that include cases of annular geometry and calculations based on the one-dimensional Elengaas-Heller equation. Exact numerical solutions, as well as approximate closed-form solutions drived from a two-zone model are used. Good agreement is obtained for the central portion of the plasma column with the exact method used for all reported power inputs and with the approximate method used for medium power input. Near the walls, however, the experimental temperatures are considerably higher for all geometries and power inputs. It is argued that here electron diffusion causes an overpopulation of electron and thus an overestimation of gas temperatures when Saha equilibrium is assumed. (Author).
Book Synopsis Temperature Measurements in an Argon Plasma Jet by : M. J. Ruddy
Download or read book Temperature Measurements in an Argon Plasma Jet written by M. J. Ruddy and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
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