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Space-charge Dynamics and Neutron Generation in an Inertial-electrostatic Confinement Device

1992
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Release : 1992
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Book Synopsis Space-charge Dynamics and Neutron Generation in an Inertial-electrostatic Confinement Device by : Jonathon Howe Nadler

Download or read book Space-charge Dynamics and Neutron Generation in an Inertial-electrostatic Confinement Device written by Jonathon Howe Nadler. This book was released on 1992. Available in PDF, EPUB and Kindle. Book excerpt: Inertial-Electrostatic Confinement (IEC) is an alternative approach to fusion power that offers the ability to burn advanced fuels like D-He$\sp3$ in a non-Maxwellian, high density core. These aneutronic reactions are ideal for direct energy conversion.

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.

Current Trends in International Fusion Research

1999 Science
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Release : 1999
Genre : Science
Kind : eBook
Book Rating : 225/5 ( reviews)

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Book Synopsis Current Trends in International Fusion Research by : E. Panarella

Download or read book Current Trends in International Fusion Research written by E. Panarella. This book was released on 1999. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of a symposium held to identify, review, and assess the benefits, uncertainties, & potentialities of the conventional, alternative, & exploratory approaches to fusion energy production, and to assess industrial spin-offs & other applications. Topics of the compiled papers include: a new course for fusion research, magnetic confinement, inertial confinement, other confinement, plasma physics, numerical simulation, nuclear processes, fusion burn control, plasma diagnostics, and plasma stability. Includes subject index.

Cancer Neutron Capture Therapy

2013-06-29 Medical
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Release : 2013-06-29
Genre : Medical
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Book Rating : 67X/5 ( reviews)

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Book Synopsis Cancer Neutron Capture Therapy by : Y. Mishima

Download or read book Cancer Neutron Capture Therapy written by Y. Mishima. This book was released on 2013-06-29. Available in PDF, EPUB and Kindle. Book excerpt: There are many human cancers which actively synthesize specific characteristic proteins such as melanomas, thyroid cancer and squamous cell carcinoma. Many cancer researchers have of course tried to utilize this specific activity as a key for the selective treatment of cancers. In the past for example, the molecular hybrid compound of DOPA, a substrate of melanin, and nitrogen mustard N-oxide hydrochloride, a ctyotoxic anti-tumor drug, was synthesized as Melphalan and used to treat malignant melanoma. A major problem arose though in that it was soon found to be highly suppressive toward bone marrow and quite toxic while not being remarkably effective. Thus, malignant melanoma could not be cured by it. Such failure led us to develop a novel bimodal therapeutic system which includes the use of non-toxic potentially cytocidal chemicals which selectively accumulate within the cancer cells and which are converted by a controllable modality into an actively cytocidal element in situ. We can now non-surgically cure malignant melanoma and glioblastoma with our selective cancer treatment, neutron capture therapy (NCT); as can be found in this volume. Included are 124 papers on the latest breaking developments discussed at the Sixth International Symposium on NCT for Cancer held in Kobe during the late autumn of 1994.

Fusion Neutron Production Using Deuterium Fuel in an Inertial Electrostatic Confinement Device at 10 to 200 Kilovolts

2018
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Release : 2018
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Book Synopsis Fusion Neutron Production Using Deuterium Fuel in an Inertial Electrostatic Confinement Device at 10 to 200 Kilovolts by : Aaron N. Fancher

Download or read book Fusion Neutron Production Using Deuterium Fuel in an Inertial Electrostatic Confinement Device at 10 to 200 Kilovolts written by Aaron N. Fancher. This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt: This work details the advancement and understanding of fusion neutron generation capabilities using a deuterium fueled spherical gridded inertial electrostatic confinement (IEC) device operating up to 200 kV at the University of Wisconsin-Madison. The goal of this work was to extend the experimental and theoretical understanding of gridded IEC operations to previously unachieved 200 kV cathode operation and to investigate long term trends in the neutron production rate performance. To support this experimental investigation, hardware with the capability to reliably sustain 200 kV operation was successfully developed by constructing a resistively divided 2-stage high voltage vacuum feedthrough. Repeated measurements of the neutron production rate under fixed experimental conditions were performed over the span of 100 operational runs, which showed an upward trend in the neutron production rate performance. An investigation into the impact of impurity gas in the chamber during operation showed the reduction of impurity gas in the system and an increase in neutron production rate are correlated. An estimation of the neutron production rate increase over these runs due to embedded fusion reactions in the chamber wall showed a fuel density build up near the surface by the implantation of fast neutral deuterium particles leaving the system can plausibly account for the upward trend in neutron production rate measurements. Parametric studies measured the neutron production rate with variations in the device cathode voltage (10-200 kV), cathode current (30-100 mA) and chamber pressure (0.2-1.7 mTorr D2), and comparisons with a theoretical model are made. The results of this study showed the neutron production rate scales linearly with current as expected with a beam-target fusion regime and scales in a complex manner with voltage and pressure. Comparisons made to a theoretical model of the neutron production rate using an integral transport code showed the absolute neutron production rate prediction by the model is a factor of 7.8 lower than experimental measurements. A new record for steady-state D-D neutron production rate of 3.8x108 neutrons/s has been achieved in a gridded IEC device at a cathode voltage of 200 kV, cathode current of 100 mA, and chamber pressure of 1.0 mTorr D2.

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