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Direct Numerical Simulation Of The Interaction Of A Laser Induced Plasma With Isotropic Turbulence
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Book Synopsis Direct Numerical Simulation of the Interaction of a Laser-induced Plasma with Isotropic Turbulence by : Shankar Ghosh
Download or read book Direct Numerical Simulation of the Interaction of a Laser-induced Plasma with Isotropic Turbulence written by Shankar Ghosh and published by . This book was released on 2008 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Simulation of Interaction of Short Pulse Lasers with Plasma by : Amol Holkundkar
Download or read book Numerical Simulation of Interaction of Short Pulse Lasers with Plasma written by Amol Holkundkar and published by LAP Lambert Academic Publishing. This book was released on 2011-08 with total page 160 pages. Available in PDF, EPUB and Kindle. Book excerpt: Development of high power lasers opened a new era of scientific innovations. Now it is possible to study the matter properties under extreme conditions applicable to large number of potential applications. The field of laser-plasma interaction is very vast and wealthy in content. In this thesis we present three basic aspects related to the subject.We have developed a new model for laser interaction with solid targets which is applicable for the laser pulse duration ranging from femtoseconds to picoseconds. The benchmarking of the model is done by testing various special cases. The absorption model is coupled with one dimension radiation hydrodynamics, opacity and equation of state data in order to simulate various experiments. The interaction of laser with atomic cluster is also investigated in this monograph. A new hydrodynamic model for laser cluster interaction is presented. Our model takes into account the radial non-uniformity of the expanding cluster under the influence of incident laser. Finally the laser induced ion acceleration is also studied using one dimensional particle-in-cell code.
Book Synopsis Energy Transfer and Dissipation in Plasma Turbulence by : Yan Yang
Download or read book Energy Transfer and Dissipation in Plasma Turbulence written by Yan Yang and published by Springer. This book was released on 2019-05-02 with total page 134 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book revisits the long-standing puzzle of cross-scale energy transfer and dissipation in plasma turbulence and introduces new perspectives based on both magnetohydrodynamic (MHD) and Vlasov models. The classical energy cascade scenario is key in explaining the heating of corona and solar wind. By employing a high-resolution hybrid (compact finite difference & WENO) scheme, the book studies the features of compressible MHD cascade in detail, for example, in order to approximate a real plasma cascade as “Kolmogorov-like” and to understand features that go beyond the usual simplified theories based on incompressible models. When approaching kinetic scales where plasma effects must be considered, it uses an elementary analysis of the Vlasov–Maxwell equations to help identify the channels through which energy transfer must be dissipated. In addition, it shows that the pressure–strain interaction is of great significance in producing internal energy. This analysis, in contrast to many other recent studies, does not make assumptions about wave-modes, instability or other specific mechanisms responsible for the dynamics – the results are direct consequences of the Vlasov–Maxwell system of equations. This is an important step toward understanding dissipation in turbulent collisionless plasma in space and astrophysics.
Book Synopsis Numerical Simulation of High Intensity Laser-plasma Interaction by : Mykhailo Fomytsʹkyi
Download or read book Numerical Simulation of High Intensity Laser-plasma Interaction written by Mykhailo Fomytsʹkyi and published by . This book was released on 2004 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Direct Numerical Simulation of the Influence of Plasmas on Turbulent Flows by :
Download or read book Direct Numerical Simulation of the Influence of Plasmas on Turbulent Flows written by and published by . This book was released on 2006 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work uses direct numerical simulation to study the thermal effect of a region of plasma on quiescent air. The simulations solve the compressible ideal gas Navier-Stokes equations using Fourier spectral methods. A shock capturing scheme is incorporated to account for the strong shock waves. Also, a logarithmic formulation for the continuity equation is developed to handle low densities at the core of the plasma.
Book Synopsis Numerical Simulation of Relativistic Laser Plasma Interaction by : Julia Maria Schweitzer
Download or read book Numerical Simulation of Relativistic Laser Plasma Interaction written by Julia Maria Schweitzer and published by . This book was released on 2008 with total page 102 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Plasma Heating Through Parametrically Induced Turbulence by : Arthur Lawrence Pavel
Download or read book Plasma Heating Through Parametrically Induced Turbulence written by Arthur Lawrence Pavel and published by . This book was released on 1976 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electromagnetic waves have been shown to be capable of significantly modifying both the magnetospheric and ionospheric plasma. Laboratory studies of the plasma instabilities generated in microwave-plasma interactions have helped to understand the geophysical experiments. Microwave-plasma research has also been useful in modeling the interaction of lasers and plasmas, particularly in relation to efforts using pulsed lasers to compress and heat plasma to thermonuclear conditions. An experiment is described which investigates the evolution of the parametric instability which occurs with near resonant matching of the microwave frequency and plasma frequency. Near threshold, a finely detailed spectrum of satelite electron plasma waves is observed. These waves break down into a turbulent plasma condition with a marked change in power absorbed by the plasma. The plasma passes through several distinctive regimes of turbulent plasma conditions. At the highest power levels used, there are plasma waves hundreds of megacycles from the driving frequency. The plasma is found to absorb a significant amount of power and heat electrons to high energies. (Author).
Book Synopsis Numerical Simulation of Laser Fusion Plasmas Using a Reduced Description Formalism by : Rickey James Faehl
Download or read book Numerical Simulation of Laser Fusion Plasmas Using a Reduced Description Formalism written by Rickey James Faehl and published by . This book was released on 1977 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Laser Plasma Theory and Simulation by : Hector A. Baldis
Download or read book Laser Plasma Theory and Simulation written by Hector A. Baldis and published by CRC Press. This book was released on 2020-05-05 with total page 110 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers recent developments in laser plasma physics such as absorption, instability, energy transport and radiation from the standpoint of theory and simulation for plasma corona, showing how the elements for the high density compression depend on the interaction physics and heat transport.
Book Synopsis Laser Plasma Theory and Simulation by : Hector A. Baldis
Download or read book Laser Plasma Theory and Simulation written by Hector A. Baldis and published by CRC Press. This book was released on 1994-06-01 with total page 116 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book covers recent developments in laser plasma physics such as absorption, instability, energy transport and radiation from the standpoint of theory and simulation for plasma corona, showing how the elements for the high density compression depend on the interaction physics and heat transport.
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 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Numerical Modeling of the Plasma-particle Interactions of Aerosol Vaporization in a Laser-induced Plasma by : Philip B. Jackson
Download or read book Numerical Modeling of the Plasma-particle Interactions of Aerosol Vaporization in a Laser-induced Plasma written by Philip B. Jackson and published by . This book was released on 2011 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: ABSTRACT: Laser-Induced Breakdown Spectroscopy (LIBS) is a powerful and well-established atomic emission diagnostic for the identification and analysis of unknown samples. Recent research efforts have shown that LIBS is useful for both qualitative identification and for the quantitative measurement of relative as well as absolute analyte concentration regardless of analyte state. More recently, much interest has been directed toward the use of LIBS in the analysis of aerosol systems, including those generated by laser ablation (LA-LIBS). While LIBS offers many advantages as a diagnostic tool, there are several difficulties that limit its capability and robustness. Chief among these are matrix effects and incomplete or inhomogeneous sample vaporization. In an effort to fully understand, and eventually mitigate, these difficulties, the current work seeks to design and implement a numerical model that describes the complex plasma-particle interactions that govern the LIBS of aerosol systems. The model incorporates the processes of heat transfer, hydrodynamics, mass diffusion, vaporization, and electromagnetism. The model considers the fundamental physics of three distinct regimes: the global plasma environment, the local particle behavior, and the initial nature of plasma inception.
Book Synopsis Plasma and Fluid Turbulence by : A. Yoshizawa
Download or read book Plasma and Fluid Turbulence written by A. Yoshizawa and published by CRC Press. This book was released on 2002-11-12 with total page 459 pages. Available in PDF, EPUB and Kindle. Book excerpt: Theory and modelling with direct numerical simulation and experimental observations are indispensable in the understanding of the evolution of nature, in this case the theory and modelling of plasma and fluid turbulence. Plasma and Fluid Turbulence: Theory and Modelling explains modelling methodologies in depth with regard to turbulence phenomena and turbulent transport both in fluids and plasmas. Special attention is paid to structural formation and transitions. In this detailed book, the authors examine the underlying ideas describing turbulence, turbulent transport, and structural transitions in plasmas and fluids. By comparing and contrasting turbulence in fluids and plasmas, they demonstrate the basic physical principles common to fluids and plasmas while also highlighting particular differences. The book also discusses the application of these ideas to neutral fluids. Part I presents a general introduction to turbulence and structural formation in fluids and plasmas, and Part II explains methodologies for fluid turbulence. In Part III, the authors describe the subjects in magnetohydrodynamics, in particular, dynamo problems. The final section, Part IV, considers plasma turbulence and transport.
Book Synopsis Studying Turbulent Plasma Using Direct Numerical Simulation and Probability Density Function by : Pascale Domingo
Download or read book Studying Turbulent Plasma Using Direct Numerical Simulation and Probability Density Function written by Pascale Domingo and published by . This book was released on 1998 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Compressibility, Turbulence and High Speed Flow by : Thomas B. Gatski
Download or read book Compressibility, Turbulence and High Speed Flow written by Thomas B. Gatski and published by Academic Press. This book was released on 2013-03-05 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: Compressibility, Turbulence and High Speed Flow introduces the reader to the field of compressible turbulence and compressible turbulent flows across a broad speed range, through a unique complimentary treatment of both the theoretical foundations and the measurement and analysis tools currently used. The book provides the reader with the necessary background and current trends in the theoretical and experimental aspects of compressible turbulent flows and compressible turbulence. Detailed derivations of the pertinent equations describing the motion of such turbulent flows is provided and an extensive discussion of the various approaches used in predicting both free shear and wall bounded flows is presented. Experimental measurement techniques common to the compressible flow regime are introduced with particular emphasis on the unique challenges presented by high speed flows. Both experimental and numerical simulation work is supplied throughout to provide the reader with an overall perspective of current trends. An introduction to current techniques in compressible turbulent flow analysis An approach that enables engineers to identify and solve complex compressible flow challenges Prediction methodologies, including the Reynolds-averaged Navier Stokes (RANS) method, scale filtered methods and direct numerical simulation (DNS) Current strategies focusing on compressible flow control
Download or read book Applied Mechanics Reviews written by and published by . This book was released on 1992 with total page 348 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis 43rd AIAA Aerospace Sciences Meeting & Exhibit by :
Download or read book 43rd AIAA Aerospace Sciences Meeting & Exhibit written by and published by . This book was released on 2005 with total page 598 pages. Available in PDF, EPUB and Kindle. Book excerpt:
