... warfare, joint planning, national and international ... to the superconducting accelerator project at ... for use in particle accelerators, other applications ...
DTIC Science & Technology
The accelerating gradient is one of the crucial parameters affecting the design, construction and cost of next-generation linear accelerators. For a specified final energy, the gradient sets the accelerator length, and for a given accelerating structure and pulse repetition rate, it determines ...
DOE Information Bridge
... Accelerators and Colliders; Beam Dynamics; Applications and New Methods of Acceleration; New Methods; Linear Accelerators and Pulsed Power ...
... HARMONIC ACCELERATION FINAL INDEPENDENT DEVELOPMENT REPORT ... HYDRODYNAMIC EFFECTS OF HARMONIC ACCELERATION ...
Oculogyral illusion and vestibular thresholds for cross-coupled acceleration exposure in relation to
NASA Technical Reports Server (NTRS)
The effort has two broad goals, which have been prioritized by DOE, as follows: to enhance the ARGUS code for use in practical accelerator design simulations; to release ARGUS to the accelerator community through the Los Alamos Accelerator Code Group (LAA...
National Technical Information Service (NTIS)
In the random acceleration process considered here, a point particle is accelerated by Gaussian white noise with zero mean. Early work on first-passage and first-return probabilities and some recent applications are reviewed. Motion on the half line x > 0 and on the finite line 0 < x < 1 is considered, with two types of ...
NASA Astrophysics Data System (ADS)
Batteries for solar photovoltaic applications and other terrestrial applications require long life in daily cycling regimes. There is a need to develop testing procedures to accelerate aging of electrochemical cells so that cycle life data can be acquired in less time than real time testing would require. The initial emphasis has been ...
Energy Citations Database
First, I should like to mention a few new ideas that have appeared during the last few years in the accelerator field. A couple are of importance in the design of injectors, usually linear accelerators, for high-energy machines. Then I shall review some of the somewhat sensational accelerator projects, now in operation, under ...
The induction-accelerator free-electron laser (IFEL) presents an important option for generating high-power millimeter waves for electron cyclotron heating and current drive in CIT. Application of the technology to this purpose requires resolution of a nu...
One sextant of the RHIC Collider was commissioned in early 1997 with beam. We describe here the performance of the accelerator systems, instrumentation subsystems and application software. We also describe a ramping test without beam that took place after the commissioning with beam. Finally, we analyze the implications of ...
The University of Washington Model FN Tandem accelerator (1) is used for Accelerator Mass Spectrometry (AMS) of sup 10 Be and sup 14 C. This paper describes our basic system, our methods for rare-isotope normalization, final ion detection, and sample prep...
... Accession Number : ADA225678. Title : Potential Application of Magnetohydrodynamic Acceleration to Hypersonic Environmental Testing. ...
... Accession Number : ADD303426. Title : APPLICATION OF LINEAR ACCELERATORS IN NONDESTRUCTIVE TESTING. Corporate Author : ...
This TAPHTR (Technology Acceleration Program for high temperature recuperators) final report describes the GTE ceramic recuperator and each of 38 industrial furnace installations and discusses the economics of each installation. In addition, descriptions are provided for other recuperation system components, such as, burners, combustion controls, etc., ...
The international accelerator school on Frontiers of Accelerator TechnoIogy was organized jointly by the US Particle Accelerator School (Dr. Mel Month and Ms. Marilyn Paul), the CERN Accelerator School, and the KEK Accelerator School, and was hosted by th...
Efficient electrode structures for acceleration of ions in electrical propulsion systems are commonly designed so as to establish a potential function at the beam edge identical with that characteristic of space charge limited flow. Since the accelerated beam is intended to generate thrust, it must emerge from an aperture in the ...
We review the status of free electron laser (FEL) research being conducted at LBL and LLNL as part of a broader program of research on two beam accelerators (TBAs). Induction accelerator-driven FELs for use as power sources for high-gradient accelerators are discussed, along with preliminary cost estimates for this type of power ...
In this report, we summarize recent work at LLNL on the compact torus (CT) acceleration project. The CT accelerator is a novel technique for projecting plasmas to high velocities and reaching high energy density states. The accelerator exploits magnetic confinement in the CT to stably transport plasma over large distances and to ...
The convergence rate of the Schwarz Alternating Method(SAM) is studied for applications involving the solution of elliptic equations on composite grids. Such problems arise when solvers which can only be used on special domains, such as rectangles, are used for more general region; and in the disection of problems for parallel processing. It is shown that the convergence rate ...
... Descriptors : *ELECTRON ACCELERATORS, *LINEAR ACCELERATORS, ELECTROMAGNETIC FIELDS, SCATTERING, ENERGY ...
... Accession Number : AD0611428. Title : ACCELERATION SENSITIVITIES OF HYDROPHONES. Descriptive Note : Final rept.,. ...
The final Z-pinch stage of a Dense Plasma Focus (DPF) could be used as a simple, compact, and potentially rugged plasma-based high-gradient accelerator with fields at the 100 MV/m level. In this paper we review previously published experimental beam data that indicate the feasibility of such an DPF-based accelerator, qualitatively ...
As the principles of plasma based acceleration are now firmly established, significant interest is being devoted to the control of the acceleration processes, critical in applications. In addition, the possibility to use plasma based accelerators technology to provide compact light sources is also being thoroughly ...
The traveler visited the Centre d'Etudes Nucleaire Grenoble to view and learn of the electron cyclotron resonance ion sources being built there. A permanent magnet electron cyclotron resonance ion source called NEOMAFIOS may have application in the HHIRF tandem accelerator. In addition, the traveler attended the International Conference on ...
... applications; Synchrotron light sources and free electron lasers; Low and intermediate energy accelerators; High energy hadron accelerators and ...
The document is the final report of a one-year research and development effort starting June 1970, to determine the feasibility and the general applicability of fuel flow control by sensing the airflow conditions at the discharge of the engine compressor....
Phase I work studied the feasibility of developing software for automatic component calibration and error correction in beamline optics models. A prototype application was developed that corrects quadrupole field strength errors in beamline models.
The initial objective of the research was to explore the possibilities of using small supersonic free jets in vacuo for two applications in fossil fuel technology. In one the jet was used as a means of accelerating aerosol particles to impinge upon a tran...
Accelerated aging at high temperatures (149 C) for short aging times (28 days) is effective in screening the compatibility of different materials in refrigeration systems. However, in actual applications temperatures are usually lower and operating times ...
The techniques developed for the numerical simulation of plasmas have numerous applications relevant to accelerators. The operation of many accelerator components involves transients, interactions between beams and rf fields, and internal plasma oscillations. These effects produce non-linear behavior which can be represented accurately ...
A two-stage acceleration sensing apparatus is disclosed which has applications for use in a fuze assembly for a projected munition. The apparatus, which can be formed by bulk micromachining or LIGA, can sense acceleration components along two orthogonal directions to enable movement of a shuttle from an "as-fabricated" position to a ...
DOEpatents
... Title : THE RADIOGRAPHIC LINEAR ACCELERATOR (LINAC) AND ITS APPLICATION TO INSERVICE INSPECTION. Corporate ...
... Title : DEVELOPMENT OF 6 MEV LINEAR ACCELERATOR FOR MEDICAL AND RADIOGRAPHICAL APPLICATIONS. ...
... Accession Number : ADD011621. Title : Acceleration Insensitive Oscillator. Descriptive Note : Patent Application,. Corporate ...
... Title : Accelerating Corporate Research in the Development, Application and Deployment of Human Language Technologies. ...
For this workshop, we review the status of free electron laser (FEL) research being conducted at LBL and LLNL as part of a broader program of research on two beam accelerators (TBAs). We discuss measurements made on high power 35 and 138 GHz FELs and their problem areas. Experience with 35 GHz accelerator section fabrication is summarized. Induction ...
Effects of stray electrons are a main factor limiting performance of many accelerators. Because heavy-ion fusion (HIF) accelerators will operate in regimes of higher current and with walls much closer to the beam than accelerators operating today, stray electrons might have a large, detrimental effect on the performance of an HIF ...
The working group on computational accelerator physics at the 11th Advanced Accelerator Concepts Workshop held a series of meetings during the Workshop. Verification, i.e., showing that a computational application correctly solves the assumed model, and validation, i.e., showing that the model correctly describes the modeled system, ...
A new high energy (1 < E < 10 MeV) neutron source based on existing pulsed Sandia accelerators operated in the ion mode is described. In addition to its application in weapons effects testing, this source could be used in studying transient annealing effects at high neutron energies and for calibration of semiconductor damage curves. ...
A number of potential applications for the auto-resonant accelerator (ARA) are discussed. The potential uses are divided into two categories: the use of the ARA in energy or fuel production cycles which would gave significant energy policy ramifications, ...
From FY 02-05 IAC has been a part of the DOE Advanced Fuel Cycle Initiative and its predecessor organization Advanced Accelerator Applications. In the IAC program effort has been divided into three parts; Student Research, Accelerator Driven Nuclear Resea...
Accelerated Three-Dimensional Upper Airway MRI Using Compressed Sensing Yoon-Chul Kim,* Shrikanth S). Compressed sensing MRI (CS-MRI) relies only on sparsity of the final reconstructed image in a transform speech production. CONCLUSIONS We have demonstrated the application of compressed sensing (CS) MRI
E-print Network
A Laplace-transform analysis is presented of an equivalent circuit which represents a pair of asymmetric transmission lines coupled through a reentrant discontinuity. This cavity configuration is applicable for transmission-line accelerator designs. General expressions for the time-dependent open-circuit output voltage are derived. Some numerical examples ...
The Bevalac should be viewed not as a model of accelerator hardware - a modern heavy ion complex will look quite different, but as a model for an operating versatile multifaceted, multiuser heavy ion facility. Of value to the planning of a new accelerator such as MARIA is the knowledge of operating modes peculiar to heavy ions and specific hardware ...
The field of ion acceleration to higher energies has grown rapidly in the last years. Many new facilities as well as substantial upgrades of existing facilities have extended the mass and energy range of available beams. Perhaps more significant for the long-term development of the field has been the expansion in the applications of these beams, and the ...
The methods used to apply the radiolabeled microsphere technique for the study of the effects of +Gz acceleration on regional blood flows are presented. A remote-control system designed to infuse suspensions of microspheres into the left atrium on conscious animals is outlined as is a device which allows the remote, sequential withdrawal of six blood samples. Results are ...
The role of accelerated particle beams in the controlled fusion program is reviewed. A brief discussion of neutral beam heating of tokamak plasma is followed by an account of the physical processes underlying the anomalous stopping length of high power electron beams in plasmas of different density regimes. Applications of such E-beam heating to pulsed ...
Operation of an accelerator requires the efficient and reproducible execution of many different types of procedures. Some procedures, like beam acceleration, magnet quench recovery, and species switching can be quite complex. To improve accelerator reliability and efficiency, automated execution of procedures is required. Creation of a ...
A new concept in low-energy particle accelerators, the radio-frequency quadrupole (RFQ) linac, is currently being developed at the Los Alamos National Scientific Laboratory. In this new linear accelerating structure both the focusing and accelerating forces are produced by the rf fields. It can accept a high-current, low-velocity dc ...
May 7, 2008 ... The code shown in brackets { } at the beginning of each section indicates which environment, or acceleration regime, is applicable to the ...
NASA Website
... Accession Number : ADA213336. Title : Acceleration Sets of Planar Manipulators. Part 2. Applications and Experiments. ...
... Accession Number : ADA223618. Title : A Cryocooler for High Acceleration Applications. Descriptive Note : Quarterly rept. no. ...
... Accession Number : ADA220318. Title : A Cryocooler for High Acceleration Applications. Descriptive Note : Quarterly rept. no. ...
... Accession Number : ADA218404. Title : A Cryocooler for High Acceleration Applications. Descriptive Note : Quarterly rept. no. ...
... Accession Number : ADA203063. Title : A Cryocooler for High Acceleration Applications. Descriptive Note : Quarterly rept. no. ...
A novel short-pulse concept (SLIM) suited to a new generation of a high gradient induction particle accelerators is described herein. It applies advanced solid state semiconductor technology and modern microfabrication techniques to a coreless induction method of charged particle acceleration first proven on a macro scale in the 1960's. Because ...
... Accession Number : ADA205090. Title : Visual Processing of Object Velocity and Acceleration. Descriptive Note : Final technical rept. ...
... Accession Number : ADA214919. Title : Plasma Accelerator and Energy Conversion Research. Descriptive Note : Final rept. ...
... Title : Analytical Investigations of the Acceleration Sensitivity of Acoustic Bulk and Surface Wave Resonators. Descriptive Note : Final rept. ...
