X Ray Ablation Measurements And Modeling For Icf Applications
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X Ray Ablation Measurements And Modeling For Icf Applications
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Author : Andrew Thomas Anderson
language : en
Publisher:
Release Date : 1996
X Ray Ablation Measurements And Modeling For Icf Applications written by Andrew Thomas Anderson and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with categories.
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Author :
language : en
Publisher:
Release Date : 19??
written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 19?? with categories.
Rep Rated X Ray Damage And Ablation Experiments For Ife And Icf Applications
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Author : R. C. Schmitt
language : en
Publisher:
Release Date : 2003
Rep Rated X Ray Damage And Ablation Experiments For Ife And Icf Applications written by R. C. Schmitt and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003 with categories.
The response of materials to high-dose x-ray exposures needs to be understood for inertial fusion energy (IFE) and inertial confinement fusion applications, where the requirements for IFE are considerably more stringent. In the IFE context, x-ray damage and/or small levels of ablation are of importance for component survivability, generation of debris, and contamination. Ablation quantities of even 1 angstrom per shot would result in material removal of more than 1 cm per year of operation. If even one part in a million of this material made its way to the final optics, it would coat them with a thickness equivalent to several waves of the laser light. Also, small-scale melting and thermomechanical effects, such as fatigue, can result from x-ray heating. These effects potentially become important when multiple shots are considered, and thus, their study requires use of rep-rated experiments. As a part of the High-Average Power Laser Program, the XAPPER experiment has been initiated at Lawrence Livermore National Laboratory. XAPPER produces high doses of low-energy x-rays at repetition rates of up to 10 Hz. Study of x-ray damage is underway. An overview of facility capabilities, results to date, and future plans are provided.
Application Of The X Ray Measurement Model To Image Processing Of X Ray Radiographs
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Author : Elizabeth Maria Siwek
language : en
Publisher:
Release Date : 1994
Application Of The X Ray Measurement Model To Image Processing Of X Ray Radiographs written by Elizabeth Maria Siwek and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994 with categories.
Experimental Studies Of Icf Indirect Drive Be And High Density C Candidate Ablators
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Author :
language : en
Publisher:
Release Date : 2007
Experimental Studies Of Icf Indirect Drive Be And High Density C Candidate Ablators written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
To validate our modeling of the macroscopic and microscopic hydrodynamic and equation of state response of these candidate ablators to NIC-relevant x-ray drive, a multi-lab experimental program has been verifying the behavior of these new ablators. First, the pressures for onset and termination of melt for both Be and HDC under single or double shock drive has been measured at the Z and Omega facilities. Second, the level and effect of hard x-ray preheat has been quantified in scaled experiments at the Omega facility. Third, a long planar x-ray drive has been developed to check 2D and 3D perturbation growth at the ablation front upon acceleration. The concept has been extended to study growth at and near the ablator-ice interface upon deceleration. In addition, experimental designs for validating the expected low level of perturbation seeding due to possible residual microstructure after melt during first and second shock transit in Be and HDC have been completed. Results so far suggest both Be and HDC can remain ablator choices and have guided pulse shaping designs.
Classical And Ablative Richtmyer Meshkov Instability And Other Icf Relevant Plasma Flows Diagnosed With Monochromatic X Ray Imaging
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Author :
language : en
Publisher:
Release Date : 2007
Classical And Ablative Richtmyer Meshkov Instability And Other Icf Relevant Plasma Flows Diagnosed With Monochromatic X Ray Imaging written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007 with categories.
In inertial confinement fusion (ICF) and high-energy density physics (HEDP), the most important manifestations of the hydrodynamic instabilities and other mixing processes involve lateral motion of the accelerated plasmas. In order to understand the experimental observations and to advance the numerical simulation codes to the point of predictive capability, it is critically important to accurately diagnose the motion of the dense plasma mass. The most advanced diagnostic technique recently developed for this purpose is the monochromatic x-ray imaging that combines large field of view with high contrast, high spatial resolution and large throughput, ensuring high temporal resolution at large magnification. Its application made it possible for the experimentalists to observe for the first time important hydrodynamic effects that trigger compressible turbulent mixing in laser targets, such as ablative Richtmyer-Meshkov (RM) instability, feedout, interaction of a RM-unstable interface with rarefaction waves. It also helped to substantially improve the accuracy of diagnosing many other important plasma flows, ranging from laser-produced jets to electromagnetically driven wires in a Z-pinch, and to test various methods suggested for mitigation of the Rayleigh-Taylor instability. We will review the results obtained with the aid of this technique in ICF-HEDP studies at the Naval Research Laboratory and the prospects of its future applications.
High Intensity X Rays Interaction With Matter
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Author : Stefan P. Hau-Riege
language : en
Publisher: John Wiley & Sons
Release Date : 2012-09-19
High Intensity X Rays Interaction With Matter written by Stefan P. Hau-Riege and has been published by John Wiley & Sons this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-09-19 with Technology & Engineering categories.
Filling the need for a book bridging the effect of matter on X-ray radiation and the interaction of x-rays with plasmas, this monograph provides comprehensive coverage of the topic. As such, it presents and explains such powerful new X-ray sources as X-ray free-electron lasers, as well as short pulse interactions with solids, clusters, molecules, and plasmas, and X-ray matter interactions as a diagnostic tool. Equally useful for researchers and practitioners working in the field.
High Power Laser Ablation
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Author :
language : en
Publisher:
Release Date : 2000
High Power Laser Ablation written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with High power lasers categories.
Fourth Generation X Ray Sources And Optics Ii
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Author : Sandra G. Biedron
language : en
Publisher: SPIE-International Society for Optical Engineering
Release Date : 2004
Fourth Generation X Ray Sources And Optics Ii written by Sandra G. Biedron and has been published by SPIE-International Society for Optical Engineering this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Science categories.
Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
X Ray Ablated Plumes In Inertial Confinement Fusion Reactors
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Author : John Mitchell Scott
language : en
Publisher:
Release Date : 1998
X Ray Ablated Plumes In Inertial Confinement Fusion Reactors written by John Mitchell Scott and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with categories.