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Describing non-equilibrium "cold" plasmas through a chemical physics approach, this book uses the state-to-state plasma kinetics, which considers each internal state as a new species with its own cross sections. Extended atomic and molecular master equations are coupled with Boltzmann and Monte Carlo methods to solve the electron energy distribution function. Selected examples in different applied fields, such as microelectronics, fusion, and aerospace, are presented and discussed including the self-consistent kinetics in RF parallel plate reactors, the optimization of negative ion sources and the expansion of high enthalpy flows through nozzles of different geometries. The book will cover t...
This book gives a comprehensive overview of hydrogen negative ion sources and their applications to particle acceleration and nuclear fusion. The book begins with fundamental aspects of negative ion production by volume and surface processes in hydrogen and its isotopes. It covers key topics, such as the need for separation of negative ion production and extraction regions, the need for lowering the work function of the plasma electrode by using caesium vapor or special materials for caesium-free sources, and the ion extractor structure required for hydrogen negative ion sources. Chapters covering various specific ion sources and applications are written by scientists who participated in their development and include sources for accelerators and for neutral beam injection into controlled nuclear fusion reactors.
This book contains papers presented at the International Conference on Atomic and Molecular Data and their Applications. This conference provides a forum for the interaction of Atomic and Molecular (AM) data producers and users and for information exchange on AM data needs and availability, AM data activities and databases worldwide.
These proceedings contain the written versions of most of the invited talks presented at the Sixth International Conference on Atomic and Molecular Data and Their Applications (ICAMDATA), held in Beijing, China, October 27-31, 2008. As a continuing series of international conferences, ICAMDATA promotes the use of atomic and molecular (AM) data in various fields of science and technology, provides a forum for interaction of AM data producers and users. These proceedings cover the topics of atomic and molecular physics and data production, new data format, and data applications and needs in wide relevant fields such as astrophysics and astronomy, magnetic and inertial fusions, low temperature laboratory plasmas and industry plasmas, atmosphere biophysics. They presented the state of the art and provided rich information on atomic and molecular data needs, applications and availability, and modeling studies.
Il volume contiene 85 progetti di autori singoli o di piccoli gruppi, appartenenti prevalentemente all’Area CUN 08 INGEGNERIA CIVILE E ARCHITETTURA: si tratta in genere di ricerche di base e comunque mono-disciplinari che costituiscono l’humus da cui traggono linfa l’azione dei gruppi di ricerca e i progetti di ricerca di cui alle track A e B. Essi sono così ripartiti: - DICATECH: 44 - DICAR: 41 The volume contains 85 contributions from individual authors or small groups, mostly from the Area CUN08, CIVIL ENGINEERING AND ARCHITECTURE. These submissions are typically of basic research and anyway mono-disciplinar, and from the bedrocjk from which draw the sap the research groups and research projects of which at the track A and B. They are as follows: - DICATECH: 44 - DICAR: 41
The International Conference on Atomic and Molecular Data and Their Applications is a forum for researchers who produce, collect, evaluate, disseminate, and apply atomic and molecular data, particularly in gaseous and plasma environments. These include applications in technical plasma processing, lighting, astrophysics, medical radiation physics, and inertial and magnetic confinement fusion, for example.
The NATO . Advanced Research Insti tute on Nonequilibrium Processes in Partially Ionized Gases was held at Acquafredda di Maratea during 4-17 June 1989. The Institute considered the interconnections between scattering and transport theories and modeling of nonequilibrium systems generated by electrical discharges, emphasizing the importance of microscopic processes in affecting the bulk properties of plasmas. The book tries to reproduce these lines. In particular several contributions describe scattering cross sections involving electrons interacting with atoms and molecules in both ground and excited states (from theoretical and experimental point of view), of energy transfer processes as w...
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Il volume rappresenta il risultati del primo censimento ragionato della ricerca che il Politecnico fa dalla sua fondazione nel 1990, relativamente al biennio 2013/2014. Esso dà conto a) dei gruppi di ricerca (attraverso schede sintetiche), e dei dottorandi; b) delle ricerche in atto attraverso gli abstract dei paper presentati. Ne risulta una mappa dello stato dell’arte della ricerca con cui orientarsi, utile sia alla comunità scientifica del Politecnico che alla società civile per la conoscenza di competenze utili ad affrontare le complesse sfide sociali del nostro tempo. In this volume there are the results of the first reasoned census of researches that Politecnico carries out ago from its founding in 1990, relative to the two-year period 2013/2014. It gives an account a) to the research groups (through short cards) and of doctoral students; b) of the researches through the abstracts of the papers submitted. The result is a map of the state of research with which to orient yourself, useful both to the scientific community of the Politecnico that to the civil society, to know skills needed to address complex social challenges of our time.