... joint planning, national and international ... ETA (Experimental Test Accelerator) Beam Channel. ... BEAMS, *PARTICLE ACCELERATORS, RADIATION ...
DTIC Science & Technology
... Title : Experimental Evaluation of Track Accelerator ... a full scale accelerator which would ... Subject Categories : TEST FACILITIES, EQUIPMENT AND ...
... aspects of an experimental program which is ... twenty-pair electrode accelerator are described. ... Categories : TEST FACILITIES, EQUIPMENT AND ...
A literature review and manufacturers survey was conducted to identify the status of accelerated testing and published information pertinent to battery life. The principles of accelerated testing are reviewed with reference to lead-acid batteries. Preliminary experimental designs for ...
NASA Astrophysics Data System (ADS)
... The experimental calibration of the B-dots ... Subject Categories : TEST FACILITIES, EQUIPMENT AND METEORS PARTICLE ACCELERATORS. ...
experimental area unnecessarily. 3.2.5 Test Set-up .... to check, prior to traveling to an accelerator, that the experimental set-up is operating correctly . ...
NASA Website
... at the UTA Wake Field Test Facility. ... very exciting and new experimental results indicated ... FIELD TESTS, FACILITIES, OPTIMIZATION, COMPUTER ...
Early operation of the 50 MeV high brightness electron linac of the Accelerator Test Facility is described along with experimental data. This facility is designed to study new linear acceleration techniques and new radiation sources based on linacs in combination with free electron lasers. The ...
Energy Citations Database
Early operation of the 50 MeV high brightness electron linac of the Accelerator Test Facility is described along with experimental data. This facility is designed to study new linear acceleration techniques and new radiation sources based on linacs in com...
National Technical Information Service (NTIS)
The Brookhaven National Laboratory Accelerator Test Facility comprises a 50 MeV traveling wave electron linear accelerator utilizing a high gradient, photo-excited, raidofrequency electron gun as an injector and an experimental area for study of new accel...
... Laser (IFEL) and an Inverse Cerenkov Accelerator (ICA), use ... linac at the Advanced Test Facility (ATF) at ... changes in the current experimental setups ...
The fatigue behavior of multidirectional graphite-epoxy laminates was analyzed theoretically and experimentally in an effort to establish an accelerated testing methodology. Analysis of the failure mechanism in fatigue of the laminates led to the determin...
Experimental data show improved brightness of Lawrence Livermore National Laboratory's Advanced Test Accelerator both at the injector and at the high-energy output. The effects of matching onto a laser-produced ion channel have been demonstrated, and an i...
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full size modules, and electrical and physical eval...
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full-size modules, and electrical and physical eval...
A mechanical shock testing apparatus is used for testing the response of components subject to large accelerations in hostile environments. The test acceleration is provided by the impact of a bullet against a plate on which the component to be tested is mounted. This ...
... accelerators. A survey of the testing facilities, including vacuum systems, resistance heaters, and liquid metal heaters is given. The experimental ...
Experimentally measured yields of isotopes of elements from Mg to K resulting from the fragmentation
NASA Technical Reports Server (NTRS)
While voltage performance of the accelerator has been adequate for the experimental program to date, it seemed clear that improvement in voltage performance could be of direct benefit to the experimental program in the future. Therefore, we began, in June 1986, a program of modifications and tests which was ...
DOE Information Bridge
An experiment to test the laser plasma beatware accelerator concept is outlined. A heuristic estimate of the relevant experimental parameters is obtained from fluid theory and considerations of wave-particle interactions. Acceleration of 10 MeV electrons ...
This report results from a contract tasking Russian Academy of Sciences as follows: The contractor will conduct initial feasibility and analysis studies on the application of MHD accelerator for propulsion and flow acceleration. The overall objective of t...
The correction of the accelerator guide dimension of the INS 6-Mev linear electron accelerator is described. The dimensions of the accelerator guide were calculated by the theoretical design and comected experimentally by the microwave measurements on the test cavities. It was found ...
The Brookhaven National Laboratory Accelerator Test Facility comprises a 50 MeV traveling wave electron linear accelerator utilizing a high gradient, photo-excited, raidofrequency electron gun as an injector and an experimental area for study of new acceleration methods or advanced radiation ...
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 ...
An experimental launcher which uses coils to create a magnetic field for the acceleration effect is studied. An experimental device for the selection of appropriate coils, the testing of necessary measurements and the first launchings with simple projecti...
Obtaining detailed knowledge of the condition of the electron beam delivered to the experimental tank is of prime importance in the attempt to correlate the propagation data with theory. There are many interesting and unique features of the beam delivered by Advanced Test Accelerator (ATA) to the experimental tank.
The initial experimental results of the Brookhaven accelerator test facility (ATF) in-line injector is presented. The ATF in-line injector employed a full copper RF gun with a pair of solenoid magnets for emittance compensation. The maximum acceleration f...
Electron beam bunching in the optical wavelength was observed experimentally for the first time at the Brookhaven Accelerator Test Facility (ATF) using the Inverse Free Electron (IFEL) accelerator. The micro-bunched electron beam has been studied by measu...
An Accelerated Tropical Test (ATT) was developed as an exploratory screening test for the evaluation of current and experimental lubricants for use in a tropical environment. With the use of the ATT, significant corrosive conditions were simulated in whic...
The LUEhR-20M linear resonance electron accelerator designed for therapy is described briefly. Experimental investigations into characteristics of accelerated electron beam are conducted. Efficiency of energy control device is tested. The possibility of b...
Voltage breakdown is one of the major limiting factors in the design of a high accelerating gradient linear accelerator structure. A multiple-use cavity test system was developed to establish the criteria for voltage breakdown in S-band pulsed electron linear accelerator cavities, in terms of cavity geometry, ...
The radio-frequency quadrupole (RFQ) linac structure is being developed for the acceleration of low-velocity ions. Recent experimental tests have confirmed its expected performance and have led to an increased interest in a wide range of possible applications. The general properties of RFQ accelerators are reviewed ...
A previously developed test design for accelerated aging of photovoltaic modules was experimentally evaluated. The studies included a review of relevant field experience, environmental chamber cycling of full-size modules, and electrical and physical evaluation of the effects of accelerated aging during and after ...
The tool life of several commercial C-2 grade cutting tools used in machining titanium was estimated using two experimental techniques, the quick facing test and the multipass facing test. Comparisons among the tools tested were made statistically by anal...
The Optical Materials project description is to characterize advanced reflector, perform accelerated and outdoor testing of commercial and experimental reflector materials, and provide industry support.
... for Research Development Test and Evaluation ... limit of heavy charged beams ... ACCELERATORS, NEUTRALIZATION, ION SOURCES, PARTICLE ...
behaved as a perfect gas (was not ionized). Thus, the versatility of the expan- ... Also, using a test gas and acceleration gas that behave as a perfect ...
... of transducers to provide experimental methods for early discovery of problems that would detrimentally affect their reliability and useful life cycle. ...
... collected on experimental test day 1 ... MINIATURIZATION, HEART, HIGH ACCELERATION, RADIUS(MEASURE ... Subject Categories : LIFE SUPPORT ...
... velocities, and accelerations were near predictions ... AFTAC report, Waterways Experimental Station, and Wiss, ... A prediction function fo: Nevada Test ...
Experimental tests of a ''second bunch length compressor'' in a linac is important for the next generation of linear colliders and for other future accelerators. These future accelerators need bunches with lengths of order 0.06 (minus) 0.2 mm. At these le...
Thresholds for the perception of angular acceleration and specific forces were experimentally determined by using sinusoidally changing stimuli at a number of frequencies in a moving base flight simulator. The measured thresholds for angular accelerations...
Laboratory experiments were conducted to study the effects of Coriolis acceleration on the human vestibular apparatus. Rotation of the test subject in a chair was combined with simultaneous rotation (inclination) of his head in a plane containing the rota...
The Experimental Test Accelerator (ETA) is designed to produce a 10 kAmp electron beam at an energy of 4.5 MeV in 40 nsec pulses at an average rate of 2 pps. The accelerator also operates in bursts of 5 pulses spaced by as little as one millisec at an average rate of 5 pps. The machine is currently operating near ...
The results of testing an experimental model of the 5-Mev linear electron accelerator which is intended for beta and gamma therapy are reported. The accelerating system is made in the form of a 2338.3-mm long septate waveguide operating at pi/2 mode. The ...
A new design for an induction accelerator for FELs is proposed. The operation of the accelerator, which is based on Faraday's laws, is discussed. The use of an oxide or a dispenser cathode for the high-brightness injector of the accelerator is examined. The designs of the induction cells and nonlinear magnetic pulse compressor ...
Earlier (1) the problems and features of standardization of accelerated chemical and electrochemical tests of stainless steels for resistance to pitting corrosion (or pitting resistance) were presented and on the basis of collective experimental data a method of testing in a ferric chloride solution was proposed ...
The Lawrence Livermore Laboratory is currently constructing a new linear induction accelerator with a higher beam current than the Astron accelerator. The new accelerator, called the Experimental Test Accelerator (ETA) will be a 5-MeV, 10-kA accelerator ...
In the FLNP, JINR there is a new Intense Resonance Neutron source (IREN) being under construction. It consists of the electron linear accelerator LUE-200 and the neutron fission core. For the experimental test of the project parameters and the accelerator...
Electron beam bunching in the optical wavelength was observed experimentally for the first time at the Brookhaven Accelerator Test Facility (ATF) using the Inverse Free Electron (IFEL) accelerator. The micro-bunched electron beam has been studied by measuring the coherent transition radiation (CTR). The authors ...
Experimental data show improved brightness of Lawrence Livermore National Laboratory's Advanced Test Accelerator both at the injector and at the high-energy output. The effects of matching onto a laser-produced ion channel have been demonstrated, and an improved matching technique is now being used.
We report on the first experimental investigation of the use of a magnetically accelerated foil: moving foil: as a vacuum opening switch. One megampere, 60% of the total current, was transferred to a low inductance path in 800 ns.
... a nEW PROcESS FOR THE ACCELERATION TEST AND EVALUATION OF AEROMEDICAL EQUIPMENT FOR ... acceleration Testing ...
Accelerating gradient is one of the crucial parameters affecting design, construction and cost of next-generation linear accelerators. Operating accelerating gradient in normal conducting accelerating structures is limited by rf breakdown. In this paper we describe an experimental setup for ...
Progress is reported on the Staged Electron Laser Acceleration (STELLA) experiment, which has been assembled on the BNL Accelerator Test Facility (ATF). The primary goal of STELLA is to demonstrate staging of the laser acceleration process by using the BNL inverse free electron laser (IFEL) as a prebuncher, which ...
We discuss the acceleration of magnetically-confined plasma rings to provide a driver for ICF. The acceleration of plasma rings is predicted to be efficient and following focusing, to generate ion-bombardment power in the range 10/sup 15/ to 10/sup 16/ W/cm/sup 2/ at a total deposition energy of multimegajoules. The simplicity of plasma ring ...
A brief history of induction accelerator development was covered in Chap. 2. The induction accelerators constructed since the early 1960s can be categorized as short-pulse if the pulse duration is less than 100 ns and long-pulse if it is longer. The distinction between short-pulse and long-pulse is arbitrary; it mainly reflects the type of magnetic ...