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Atomic Processes in Inertial Electrostatic Confinement (IEC) Devices

1993
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Release : 1993
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Book Synopsis Atomic Processes in Inertial Electrostatic Confinement (IEC) Devices by :

Download or read book Atomic Processes in Inertial Electrostatic Confinement (IEC) Devices written by . This book was released on 1993. Available in PDF, EPUB and Kindle. Book excerpt: Inertial Electrostatic Confinement (IEC) is one of the earliest plasma confinement concepts, having first been suggested by P.T. Farnsworth in the 1950s. The concept involves a simple apparatus of concentric spherical electrostatic grids or a combination of grids and magnetic fields. An electrostatic structure is formed from the confluence of electron or ion beams. Gridded IEC systems have demonstrated neutron yields as high as 2*101° neutrons/sec. These systems have considerable potential as small, inexpensive, portable neutron sources for assaying applications. Neutron tomography is also a potential application. Atomic physics effects strongly influence the performance of all of these systems. Important atomic effects include elastic scattering, ionization, excitation, and charge exchange. This paper discusses how an IEC system is influenced by these effects and how to design around them. Theoretical modeling and experimental results are presented.

Inertial Electrostatic Confinement (IEC) Fusion

2013-12-12 Technology & Engineering
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Release : 2013-12-12
Genre : Technology & Engineering
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Book Rating : 382/5 ( reviews)

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Book Synopsis Inertial Electrostatic Confinement (IEC) Fusion by : George H. Miley

Download or read book Inertial Electrostatic Confinement (IEC) Fusion written by George H. Miley. This book was released on 2013-12-12. Available in PDF, EPUB and Kindle. Book excerpt: This book provides readers with an introductory understanding of Inertial Electrostatic Confinement (IEC), a type of fusion meant to retain plasma using an electrostatic field. IEC provides a unique approach for plasma confinement, as it offers a number of spin-off applications, such as a small neutron source for Neutron Activity Analysis (NAA), that all work towards creating fusion power. The IEC has been identified in recent times as an ideal fusion power unit because of its ability to burn aneutronic fuels like p-B11 as a result of its non-Maxwellian plasma dominated by beam-like ions. This type of fusion also takes place in a simple mechanical structure small in size, which also contributes to its viability as a source of power. This book posits that the ability to study the physics of IEC in very small volume plasmas makes it possible to rapidly investigate a design to create a power-producing device on a much larger scale. Along with this hypothesis the book also includes a conceptual experiment proposed for demonstrating breakeven conditions for using p-B11 in a hydrogen plasma simulation. This book also: Offers an in-depth look, from introductory basics to experimental simulation, of Inertial Electrostatic Confinement, an emerging method for generating fusion power Discusses how the Inertial Electrostatic Confinement method can be applied to other applications besides fusion through theoretical experiments in the text Details the study of the physics of Inertial Electrostatic Confinement in small-volume plasmas and suggests that their rapid reproduction could lead to the creation of a large-scale power-producing device Perfect for researchers and students working with nuclear fusion, Inertial Electrostatic Confinement (IEC) Fusion: Fundamentals and Applications also offers the current experimental status of IEC research, details supporting theories in the field and introduces other potential applications that stem from IEC.

Analysis of Fast Neutral Particles in Inertial Electrostatic Confinement Fusion Devices

2014
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Release : 2014
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Book Synopsis Analysis of Fast Neutral Particles in Inertial Electrostatic Confinement Fusion Devices by :

Download or read book Analysis of Fast Neutral Particles in Inertial Electrostatic Confinement Fusion Devices written by . This book was released on 2014. Available in PDF, EPUB and Kindle. Book excerpt: A neutral particle analyzer was engineered specifically for inertial electrostatic confinement (IEC) fusion devices for the first time and particularly for studies with relevance to operation with helium-3, an advanced fusion fuel. For experiments with helium, this technique yields energy distributions of escaping fast neutral particles produced by atomic and molecular processes between energetic ions and background gas, as well as the line-of-sight-averaged energy distributions of fast ions. The setup uses a 10 nm carbon foil as a stripping target for incident fast neutral particles and cylindrical electrodes with a variable relative voltage for deflecting ions of a specific energy per unit charge into a continuous electron multiplier. The new diagnostic can be used to study neutral particles with kinetic energies between 5 and 170 keV, with a measured energy resolution of 2-4% between 5 and 30 keV. Initial neutral particle analysis experiments have been performed at cathode voltages up to 60 kV for IEC devices in the glow discharge, external-ion-source and filament-assisted source plasma configurations, with both helium-4 and deuterium gas. Comparisons between experimentally determined neutral-particle energy distributions and predictions by the VICTER and HeVICTER integral-transport numerical codes on spherically convergent ion flow in IEC devices show that the codes do not capture many details of the relevant physics. For helium-4 experiments in the external-ion-source mode, the energy distributions were confirmed to be significantly harder at 0.2 millitorr than at 5 millitorr, which is essential for the prospects of the configuration for increasing helium-3 fusion rates.

Scientific and Technical Aerospace Reports

1994 Aeronautics
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Release : 1994
Genre : Aeronautics
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Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by . This book was released on 1994. 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.

Proceedings of the Fourteenth Topical Meeting on the Technology of Fusion Energy, October 15-19, 2000, Park City, Utah

2001 Controlled fusion
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Release : 2001
Genre : Controlled fusion
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Book Synopsis Proceedings of the Fourteenth Topical Meeting on the Technology of Fusion Energy, October 15-19, 2000, Park City, Utah by :

Download or read book Proceedings of the Fourteenth Topical Meeting on the Technology of Fusion Energy, October 15-19, 2000, Park City, Utah written by . This book was released on 2001. Available in PDF, EPUB and Kindle. Book excerpt:

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