Inertial electrostatic confinement has been studied by. Continuous grid inertial electrostatic confinement fusion. The undersigned, appointed by the dean of the graduate school, have examined the dissertation entitled. A general critique of inertialelectrostatic confinement. Inertial electrostatic confinement as a power source for electric propulsion conference paper pdf available march 1993 with 467 reads how we measure reads. Current study of inertial electrostatic confinement fusion neutron source in tokyo tech. Tutorial on the physics of inertial confinement fusion. Inertial electrostatic confinement devices possess another key feature. Oct 07, 2015 theory for a gridded inertial electrostatic confinement iec fusion system is presented that shows a net energy gain is possible if the grid is magnetically shielded from ion impact. On this page you will find a variety of resources relating to our work with iec over the last decade. At the university of rochesters laboratory for laser energetics, a few of the many approaches to inertial con. Our efforts are focused on the investigation of advanced fuels and the development of nearterm uses for fusion devices. At handable scale, nuclear fusion reactions can be produced by inertial electrostatic confinement iec in difference to the large scale and very expensive research for energy production by billion dollar facilities with magnetic confinement or using lasers. Cbiec offers a number of innovative features that make it an attractive pathway toward resolving.
Inertial electrostatic confinement, or iec, is a class of fusion power devices that use electric fields to confine the plasma rather than the more common approach using magnetic fields found in magnetic fusion energy mfe designs. The second instance is more useful because it is a pdf file, but it lacks the full bibliographical information. Inertial electrostatic confinement from wikipedia, the free encyclopedia inertial electrostatic confinement often abbreviated as iec is a concept for retaining a plasma using an electrostatic field. Investigations of ion confinement by direct current. Jan 19, 2018 an optical signal of iec plasma using different gases has been registered by means of an optical fiber and photomultiplier pmt. The extraction of electron beam or plasma, both of which depend on the.
Schilling department of aerospace engineering, university of maryland, united states abstract inertial electrostatic confinement iec as a concept for. Sep 30, 2019 of, relating to, or depending on inertia. Download it once and read it on your kindle device, pc, phones or tablets. Theory for a gridded inertial electrostatic confinement iec fusion system is presented that shows a net energy gain is possible if the grid is magnetically shielded from ion impact. The effects of different materials on the electrostatic features are found. An inertial electrostatic confinement fusion iecf is a simple device which can cause fusion reaction, and is expected to be used as a compact neutronbeam generator. Inertial electrostatic confinement iec based compact x. Even the charge exchanged neutrals will continue to cause fusion reactions.
Approximate modeling of cylindrical inertial electrostatic. Inertial electrostatic confinement is a branch of fusion research which uses an electric field to heat a plasma to fusion conditions. Jet extraction and characterization in an inertial. Pdf an optical signal of iec plasma using different gases has been registered by means of an optical fiber and photomultiplier pmt. Operation of inertial electrostatic confinement fusion iecf. Most iec devices directly accelerate their fuel to fusion conditions, thereby avoiding energy losses seen during. Brian wang september 29, 2017 video starts at about 26 minutes. Inertial electrostatic confinement iec involves the cre ation of deep electrostatic potential wells within a plasma in order to accelerate ions to energies sufficient for fusion reac tions to occur and to keep the ions confined. Pdf operation of inertial electrostatic confinement fusion. An optical signal of iec plasma using different gases has been registered by means of an optical fiber and photomultiplier pmt. The second instance is more useful because it is a pdf file.
Key physics and engineering issues that remain to be resolved for inertialelectrostaticconfinement fusion devices are. Inertial electrostatic confinement iec plasma systems were investigated experimentally at the university of kentucky with air and argon as working gas at pressure levels between 10 and 100 mtorr and at electrical powers up to 60 w clearly aiming at non fusion iec operation. Electric fields can do work on charged particles either ions or electrons, heating them to fusion conditions. An inertial electrostatic confinement fusion device modeling has been carried out. Inertial electrostatic confinement fusion listed as iecf.
Inertial electrostatic confinement wikipedia republished. Inertial electrostatic confinement iec the proposed power source is a fusion system, based on the principles of the iec, a method of electrostatically confining a fusion plasma first proposed by salisbury cz3and farnsworth. Inertialelectrostatic confinement devices possess another key feature. The iec fusion reactor confines plasma via a strong electrostatic potential between two concentric grids as ions stream towards the. Full text of inertial electrostatic confinement todays. Fusion in a magneticallyshieldedgrid inertial electrostatic.
An innovative acceleratordriven inertial electrostatic. The field accelerates charged particles either ions or electrons radially inward, usually in a spherical but sometimes in a cylindrical geometry. Introduction f usion energy is arguably the holy grail of energy research. Inertial electrostatic confinement iec is an attractive fusion concept because the particle energy and confinement are both easily controlled.
Inertial electrostatic confinement fusion reactor mk. A general critique of inertialelectrostatic confinement fusion systems. Theoretical and experimental studies of spherical devices presented by ryan meyer, a candidate for the degree of doctor of philosophy, and hereby certify that, in their opinion, it is worthy of acceptance. Schilling department of aerospace engineering, university of maryland, united states abstract inertial electrostatic confinement iec as a concept for fusion power generation has been around since the mid 1960s. Possible applications include not only electricity production, but also highenergy 15 mev. Inertial electrostatic confinement iec based compact xray. The purpose of this project is to utilize fusion energy the energy source of the sun in a controlled fashion here on earth. The authors propose a new concept of acceleratordriven iec fusion, termed converging beam inertial electrostatic confinement cbiec.
Inertial electrostatic confinement project university of. 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. Inertial electrostatic confinement or iec, is a technology for practical nuclear plasma fusion. A general critique of inertial electrostatic confinement fusion systems. He referred to as inertial electrostatic confinement, a term that continues to be used to this day. The equilibrium, economics, and stability of such a system are discussed theoretically. Experimental study of the iranian inertial electrostatic. The finite element analysis of an inertial electrostatic.
We are a research group affiliated with the fusion technology institute in the department of engineering physics. Inertial electrostatic confinement fusion how is inertial electrostatic confinement fusion abbreviated. Theoretically, this system yields extremely high specific impulse 5. Iec provides a unique approach for plasma confinement, as it offers a number of spinoff applications, such as a small neutron source for neutron activity analysis naa. It was first conceived in the mid twentieth century, but received little serious attention until about two decades ago. Electrostatic pressure from the positively charge electrodes would keep the fuel as a whole off of the walls of the chamber, and impacts from new ions would keep the hottest plasma in the center. Use features like bookmarks, note taking and highlighting while reading inertial electrostatic confinement iec fusion. Rider, a general critique of inertialelectrostatic confinement fusion systems. Continuous electrode inertial electrostatic confinement fusion. Effects of grid structures and dielectric materials of the. The light passing through the fiber is directed to the entrance window of a photomultiplier pmt, hamamatsu r955, connected to the digital scope. Inertialelectrostatic confinement iec involves the cre ation of deep electrostatic potential wells within a plasma in order to accelerate ions to energies sufficient.
The inertial electrostatic confinement iec cylindrical fusion neutron generator device c device is an elongated insulated vacuum chamber with an alternating series of hollow cylindrical cathodes and anodes spaced axially apart on a common longitudinal axis with solid end plates. Ions are accelerated within one mean free path to high fusion relevant energies. Numerous past experiments have produced data that warrants further 14 sved, j. However, the detail ed ionization and confinement mechanism are still under discussion, which limited the development of iec. Electric fsl422 inertial electrostatic confinement as a.
Abstract a system in which electrons are projected radially inwards from a spherical surface, has been proposed for the confinement of a plasma at thermonuclear temperatures. Fusion technology physe0463 inertial confinement fusion, aalto university the basic principle of inertial confinement fusion is the rocket principle 6 surface heating by intense radiation e. Inertial electrostatic confinement iec fusion springerlink. Inertial electrostatic confinement iec devices for propulsion of. Study of fusion regimes in an inertial electrostatic. Continuous electrode inertial electrostatic confinement. The discharge current of plasma discharge has been recorded using current probe. Iec provides a unique approach for plasma confinement, as it offers a number of spinoff applications, such as a small neutron source for neutron activity analysis naa, that all work towards creating fusion power. This device is designed for neutronic fusion studies. Can inertial electrostatic confinement work beyond the ion.
On the inertialelectrostatic confinement of a plasma. Inertial electrostatic confinement iec is a fusion concept proposed in the 1950s. Pdf operation of inertial electrostatic confinement. An iecf inertial electrostatic confinement fusion device is a very simple and safe neutron source using the glow discharge in deuterium gas and deuterium deuterium fusion. Inertial electrostatic confinement iec based compact xray source dr. Investigations of ion confinement by direct current coaxial. Inertial electrostatic confinement fusion research at the university of wisconsin a demo fusor that demonstrates plasma at a lower temperature and higher pressure than a real fusion device but with no actual fusion reactions has become a popular science project for students and hobbyists and you can find a plan for making one at make magazine. Fundamentals and applications kindle edition by miley, george h. A strong negative charge bias is applied between a pair of concentric spherical electrodes. Inertialelectrostatic confinement iec involves the cre ation of deep electrostatic potential wells within a plasma in order to accelerate ions to energies sufficient for fusion reac tions to occur and to keep the ions confined. How icf works lawrence livermore national laboratory. Finite element method fem was applied to the unit in order to identify the potential and electrical fields inside the spherical reaction chamber.
A simplified grid geometry is studied, consisting of two negativelybiased coaxial currentcarrying rings, oriented such that their opposing magnetic fields produce a spindle cusp. Pdf inertial electrostatic confinement iec is a fusion concept proposed in the. Finite element method is used in a 3d media in order to identify the potential and electrical fields inside the device. Coulomb collisions maxwelliandistribution on the ionion. Brian wang is a prolific businessoriented writer of emerging and disruptive technologies. Fundamental physics issues facing development of fusion power on a smallscale are assessed with emphasis on the idea of inertial electrostatic confinement iec. Operation of inertial electrostatic confinement fusion iecf device using different gases article pdf available in journal of fusion energy january 2018 with 514 reads how we measure reads.
Operation of inertial electrostatic confinement fusion. Professor sudarshan loyalka professor mark prelas professor edbertho lealquiros professor scott kovaleski. In this study, a cylindrical inertial electrostatic confinement iec device, designed and constructed at the saraykoy nuclear research and training center snrtc, is introduced and the initial results are presented. It has been proposed to create and maintain thesepotential wells by a. Work on magnetic confine ment fusion in the soviet union was begun by sakharov and others in response to a suggestion from lavrent ev that con trolled fusion of deuterium could be achieved in an iec device. This is typically done in a sphere, with material moving radially inward, but can also be done in a cylindrical or beam geometry. The entire dissertationthesis text is included in the research. Inertial electrostatic confinement todays simplest.
Pdf operation of inertial electrostatic confinement fusion iecf. A new inertial electrostatic confinement iec fusion unit was designed via finite elementanalysis fea in a 3d electrostatic frame. Confinement of ions in an inertial electrostatic confinement. Study of fusion regimes in an inertial electrostatic confinement device using the new eclipse disk diagnostic. Lindl, development of the indirectdrive approach to inertial confinement fusion and the target physics basis for ignition and gain, physics of plasmas, vol. Inertial electrostatic confinement ions confined via inertia and electrostatics concentric grids of decreasing potential cause ions to. Inertialelectrostatic confinement offers several possible advantages for the confinement of a q 1 fusion plasma. Inertial electrostatic confinement iec, which originates from a fusion reactor concept, could offer both plasma generation and confinement at the same time within a strong electric field 2,3. Continuous grid inertial electrostatic confinement fusion raymond j.
The inertial electrostatic confinement fusion reactor iec fusion is a potential method for controlled fusion power. Inertial electrostatic confinement fusion how is inertial. Pdf inertial electrostatic confinement as a power source. The most primitive iecf device consists of a spherical grounded anode and a grid cathode which are set concentrically as shown in fig.
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