Numerical Modeling Of The Plasma Particle Interactions Of Aerosol Vaporization In A Laser Induced Plasma

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Numerical Modeling of the Plasma-particle Interactions of Aerosol Vaporization in a Laser-induced Plasma

Author : Philip B. Jackson
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (818 download)

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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.

Plasma-particle Interactions for the Quantitative Analysis of Individual Aerosol Particles Using Laser-induced Breakdown Spectroscopy

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Author : Jorge E. Carranza
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (58 download)

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Book Synopsis Plasma-particle Interactions for the Quantitative Analysis of Individual Aerosol Particles Using Laser-induced Breakdown Spectroscopy by : Jorge E. Carranza

Download or read book Plasma-particle Interactions for the Quantitative Analysis of Individual Aerosol Particles Using Laser-induced Breakdown Spectroscopy written by Jorge E. Carranza and published by . This book was released on 2002 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Laser-induced Plasmas as an Analytical Source for Quantitative Analysis of Gaseous and Aerosol Systems

Author : Prasoon K. Diwakar
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (489 download)

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Book Synopsis Laser-induced Plasmas as an Analytical Source for Quantitative Analysis of Gaseous and Aerosol Systems by : Prasoon K. Diwakar

Download or read book Laser-induced Plasmas as an Analytical Source for Quantitative Analysis of Gaseous and Aerosol Systems written by Prasoon K. Diwakar and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Critical understanding of plasma-particle interactions includes study of the plasma evolution, analyte atomization, and the particle dissociation and diffusion. In this dissertation, temporal and spatial studies have been done to understand the fundamentals of the LIBS processes including the breakdown of gases by the laser pulse, plasma inception mechanisms, plasma evolution, analyte introduction and plasma-particle interactions and their influence on LIBS signal. Spectral measurements were performed in a laser-induced plasma and the results reveal localized perturbations in the plasma properties in the vicinity of the analyte species, for first 60 [mu]s. The measurements provide direct evidence of matrix effects in the LIBS plasma at early times. Electron density measurements at very early times in the plasma reveal deviations from the Local Thermodynamic Equilibrium conditions (LTE). The data from various experiments suggests a complex interaction between the plasma and the aerosol particle, during which the finite time-scales of particle dissociation, and heat and mass transfer are fundamental processes.

The Physics Of Laser Plasma Interactions

Author : William Kruer
Publisher : CRC Press
ISBN 13 : 1000754200
Total Pages : 197 pages
Book Rating : 4.0/5 (7 download)

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Book Synopsis The Physics Of Laser Plasma Interactions by : William Kruer

Download or read book The Physics Of Laser Plasma Interactions written by William Kruer and published by CRC Press. This book was released on 2019-08-20 with total page 197 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book focuses on the physics of laser plasma interactions and presents a complementary and very useful numerical model of plasmas. It describes the linear theory of light wave propagation in plasmas, including linear mode conversion into plasma waves and collisional damping.

Laser-Induced Breakdown Spectroscopy

Author : Jagdish P. Singh
Publisher : Elsevier
ISBN 13 : 0128188308
Total Pages : 624 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Laser-Induced Breakdown Spectroscopy by : Jagdish P. Singh

Download or read book Laser-Induced Breakdown Spectroscopy written by Jagdish P. Singh and published by Elsevier. This book was released on 2020-06-02 with total page 624 pages. Available in PDF, EPUB and Kindle. Book excerpt: Laser-Induced Breakdown Spectroscopy, Second Edition, covers the basic principles and latest developments in instrumentation and applications of Laser Induced Breakdown Spectroscopy (LIBS). Written by active experts in the field, it serves as a useful resource for analytical chemists and spectroscopists, as well as graduate students and researchers engaged in the fields of combustion, environmental science, and planetary and space exploration. This fully revised second edition includes several new chapters on new LIBS techniques as well as several new applications, including flame and off-gas measurement, pharmaceutical samples, defense applications, carbon sequestration and site monitoring, handheld instruments, and more. LIBS has rapidly developed into a major analytical technology with the capability of detecting all chemical elements in a sample, of real- time response, and of close-contact or stand-off analysis of targets. It does not require any sample preparation, unlike conventional spectroscopic analytical techniques. Samples in the form of solids, liquids, gels, gases, plasmas, and biological materials (like teeth, leaves, or blood) can be studied with almost equal ease. This comprehensive reference introduces the topic to readers in a simple, direct, and accessible manner for easy comprehension and maximum utility. Covers even more applications of LIBS beyond the first edition, including combustion, soil physics, environment, and life sciences Includes new chapters on LIBS techniques that have emerged in the last several years, including Femtosecond LIBS and Molecular LIBS Provides inspiration for future developments in this rapidly growing field in the concluding chapter

Numerical Modeling of Magnetic Reconnection in Laser-induced High Energy Density Plasmas

Author : Andrey Sladkov
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (122 download)

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Book Synopsis Numerical Modeling of Magnetic Reconnection in Laser-induced High Energy Density Plasmas by : Andrey Sladkov

Download or read book Numerical Modeling of Magnetic Reconnection in Laser-induced High Energy Density Plasmas written by Andrey Sladkov and published by . This book was released on 2019 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis is a numerical study of the magnetic reconnection in collisionless plasmas using a kinetic code. We can study the magnetic reconnection process during experiments for which the plasma is created by interaction of a power laser on a solid target. During this thesis, we included in the HECKLE code the elements allowing to make these simulations more realistic for the laser conditions: the effects of the electron six-component pressure tensor as well as the super-Alfvénic expansion of the plasma. We have thus highlighted the role of the pressure tensor to reduce the efficiency of the reconnection, as well as the plasma temperature effects making it more impulsive.

Numerical Simulation of Interaction of Short Pulse Lasers with Plasma

Author : Amol Holkundkar
Publisher : LAP Lambert Academic Publishing
ISBN 13 : 9783845419381
Total Pages : 160 pages
Book Rating : 4.4/5 (193 download)

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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.

Direct Numerical Simulation of the Interaction of a Laser-induced Plasma with Isotropic Turbulence

Author : Shankar Ghosh
Publisher :
ISBN 13 :
Total Pages : 220 pages
Book Rating : 4.:/5 (952 download)

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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:

Multiphase Numerical Modelling of Particle-flow Interactions in Plasma Spraying Processes

Author : Konstantinos Koutsakis
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (16 download)

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Book Synopsis Multiphase Numerical Modelling of Particle-flow Interactions in Plasma Spraying Processes by : Konstantinos Koutsakis

Download or read book Multiphase Numerical Modelling of Particle-flow Interactions in Plasma Spraying Processes written by Konstantinos Koutsakis and published by . This book was released on 2017 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Numerical Modelling of Atomic Physics Processes in Laser-plasma Interactions

Author : Joseph Magill
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (31 download)

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Book Synopsis The Numerical Modelling of Atomic Physics Processes in Laser-plasma Interactions by : Joseph Magill

Download or read book The Numerical Modelling of Atomic Physics Processes in Laser-plasma Interactions written by Joseph Magill and published by . This book was released on 1975 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scientific and Technical Aerospace Reports

Author :
Publisher :
ISBN 13 :
Total Pages : 880 pages
Book Rating : 4.3/5 (91 download)

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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 1994 with total page 880 pages. Available in PDF, EPUB and Kindle. Book excerpt: Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Plasma-particle Interaction Effects in Induction Plasma Modelling Under Dense Loading Conditions

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis Plasma-particle Interaction Effects in Induction Plasma Modelling Under Dense Loading Conditions by :

Download or read book Plasma-particle Interaction Effects in Induction Plasma Modelling Under Dense Loading Conditions written by and published by . This book was released on 1983 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The injection of solid particles or aerosol droplets in the fire-ball of an inductively coupled plasma can substantially perturb the plasma and even quench it under high loading conditions. This can be mainly attributed to the local cooling of the plasma by the particles or their vapour cloud, combined with the possible change of the thermodynamic and transport properties of the plasma in the presence of the particle vapour. This paper reports the state-of-the-art in the mathematical modelling of the induction plasma. A particle-in-cell model is used in order to combine the continuum approach for the calculation of the flow, temperature and concentration fields in the plasma, with the stochastic single particle approach, for the calculation of the particle trajectories and temperature histories. Results are given for an argon induction plasma under atmospheric pressure in which fine copper particles are centrally injected in the coil region of the discharge.

Numerical Modeling of Low-pressure Plasmas

Author : Albert Meige
Publisher :
ISBN 13 :
Total Pages : 304 pages
Book Rating : 4.:/5 (845 download)

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Book Synopsis Numerical Modeling of Low-pressure Plasmas by : Albert Meige

Download or read book Numerical Modeling of Low-pressure Plasmas written by Albert Meige and published by . This book was released on 2006 with total page 304 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Inductive plasmas are simulated by using a one-dimensional particle-in-cell simulation including Monte Carlo collision techniques (pic/mcc). To model inductive heating, a non-uniform radio-frequency (rf) electric field, perpendicular to the electron motion is included into the classical particle-in-cell scheme. The inductive plasma pic simulation is used to confirm recent experimental results that electric double layers can form in current-free plasmas. These results differ from previous experimental or simulation systems where the double layers are driven by a current or by imposed potential differences. The formation of a super-sonic ion beam, resulting from the ions accelerated through the potential drop of the double layer and predicted by the pic simulation is confirmed with nonperturbative laser-induced fluorescence measurements of ion flow. It is shown that at low pressure, where the electron mean free path is of the order of, or greater than the system length, the electron energy distribution function (eedf) is close to Maxwellian, except for its tail which is depleted at energies higher than the plasma potential. Evidence supporting that this depletion is mostly due to the high-energy electrons escaping to the walls is given. A new hybrid simulation scheme (particle ions and Boltzmann/particle electrons), accounting for non-Maxwellian eedf and self-consistently simulating low-pressure high-density plasmas at low computational cost is proposed. Results obtained with the 'improved' hybrid model are in much better agreement with the full pic simulation than the classical non self-consistent hybrid model. This model is used to simulate electronegative plasmas and to provide evidence supporting the fact that propagating double layers may spontaneously form in electronegative plasmas. It is shown that critical parameters of the simulation were very much aligned with critical parameters of the experiment."

Simulation of Beam-induced Plasma for the Mitigation of Beam-beam Effects

Author :
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (925 download)

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Book Synopsis Simulation of Beam-induced Plasma for the Mitigation of Beam-beam Effects by :

Download or read book Simulation of Beam-induced Plasma for the Mitigation of Beam-beam Effects written by and published by . This book was released on 2015 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: One of the main challenges in the increase of luminosity of circular colliders is the control of the beam-beam effect. In the process of exploring beam-beam mitigation methods using plasma, we evaluated the possibility of plasma generation via ionization of neutral gas by proton beams, and performed highly resolved simulations of the beam-plasma interaction using SPACE, a 3D electromagnetic particle-in-cell code. The process of plasma generation is modelled using experimentally measured cross-section coefficients and a plasma recombination model that takes into account the presence of neutral gas and beam-induced electromagnetic fields. Numerically simulated plasma oscillations are consistent with theoretical analysis. In the beam-plasma interaction process, high-density neutral gas reduces the mean free path of plasma electrons and their acceleration. A numerical model for the drift speed as a limit of plasma electron velocity was developed. Simulations demonstrate a significant reduction of the beam electric field in the presence of plasma. Preliminary simulations using fully-ionized plasma have also been performed and compared with the case of beam-induced plasma.

Plasma Processing of Materials

Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309045975
Total Pages : 88 pages
Book Rating : 4.3/5 (9 download)

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Book Synopsis Plasma Processing of Materials by : National Research Council

Download or read book Plasma Processing of Materials written by National Research Council and published by National Academies Press. This book was released on 1991-02-01 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: Plasma processing of materials is a critical technology to several of the largest manufacturing industries in the worldâ€"electronics, aerospace, automotive, steel, biomedical, and toxic waste management. This book describes the relationship between plasma processes and the many industrial applications, examines in detail plasma processing in the electronics industry, highlights the scientific foundation underlying this technology, and discusses education issues in this multidisciplinary field. The committee recommends a coordinated, focused, and well-funded research program in this area that involves the university, federal laboratory, and industrial sectors of the community. It also points out that because plasma processing is an integral part of the infrastructure of so many American industries, it is important for both the economy and the national security that America maintain a strong leadership role in this technology.

Nuclear Science Abstracts

Author :
Publisher :
ISBN 13 :
Total Pages : 920 pages
Book Rating : 4.0/5 ( download)

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Book Synopsis Nuclear Science Abstracts by :

Download or read book Nuclear Science Abstracts written by and published by . This book was released on 1975-10 with total page 920 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Aerosols

Author : Igor Agranovski
Publisher : John Wiley & Sons
ISBN 13 : 3527632085
Total Pages : 505 pages
Book Rating : 4.5/5 (276 download)

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Book Synopsis Aerosols by : Igor Agranovski

Download or read book Aerosols written by Igor Agranovski and published by John Wiley & Sons. This book was released on 2011-05-16 with total page 505 pages. Available in PDF, EPUB and Kindle. Book excerpt: This self-contained handbook and ready reference examines aerosol science and technology in depth, providing a detailed insight into this progressive field. As such, it covers fundamental concepts, experimental methods, and a wide variety of applications, ranging from aerosol filtration to biological aerosols, and from the synthesis of carbon nanotubes to aerosol reactors. Written by a host of internationally renowned experts in the field, this is an essential resource for chemists and engineers in the chemical and materials disciplines across multiple industries, as well as ideal supplementary reading in graduate level courses.