IEEE Transactions on Nuclear Science

Issue 4 • Aug. 1971

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  • [Front cover]

    Publication Year: 1971, Page(s): c1
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  • IEEE Transactions on Nuclear Science

    Publication Year: 1971, Page(s): c2
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  • Table of contents

    Publication Year: 1971, Page(s):1 - 7
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  • The Nucleus

    Publication Year: 1971, Page(s): 9
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  • Welcoming Address

    Publication Year: 1971, Page(s): 11
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  • Symposium Steering Committee

    Publication Year: 1971, Page(s):12 - 13
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  • A Summary of the Fourth Symposium on Engineering Problems of Fusion Research

    Publication Year: 1971, Page(s):14 - 17
    Cited by:  Papers (1)
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  • Banquet Speech "Man's Conquest of Energy, Its Ecological and Human Consequences"

    Publication Year: 1971, Page(s):18 - 35
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    The world's energy resources suitable for power production are of two classes: (1) various channels of the continuous energy flux from extraterrestrial sources, and from the earth's interior, and (2) chemical, thermal, and nuclear energy stored in the outer part of the lithosphere and in the oceans. The continuous energy influxes are from: solar radiation, 178,000 × 1012 watts; geothermal energy,... View full abstract»

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  • A First Poem for a Fourth Symposium or Plasma and Poetry do Mix Eventually

    Publication Year: 1971, Page(s): 36
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  • Princeton's Symmetrical Tokamak from Proposal to Plasma in 8 Months

    Publication Year: 1971, Page(s):37 - 41
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    Although the original design of the Model C Stellarator facility allowed for a great amount of flexibility with a "race-track" geometry, conversion to the circular geometry required for the Symmetrical Tokamak presented a number of special engineering problems. This paper summarizes and details the various changes required to meet the Tokamak concept including: major machine operations on the stru... View full abstract»

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  • Ormak Facility

    Publication Year: 1971, Page(s):42 - 48
    Cited by:  Papers (1)
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  • A Machine for Adiabatic Toroidal Compression

    Publication Year: 1971, Page(s):49 - 54
    Cited by:  Papers (2)
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    The Adiabatic Toroidal Compressor (ATC) is being built to investigate the feasibility of a proposed technique for increasing the density and ion temperature of conventional tokamaks. By applying a suitable magnetic field normal to the plane of a usual tokamak discharge, the major radius is caused to shrink to about 0.4 of its original value, thereby resulting in an increase both in temperature and... View full abstract»

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  • Doublet II Design Considerations

    Publication Year: 1971, Page(s):55 - 59
    Cited by:  Papers (4)
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  • Engineering Design of the 2X II

    Publication Year: 1971, Page(s):60 - 68
    Cited by:  Papers (1)
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    The 2X II, successor to the 2X Experiment at the Lawrence Radiation Laboratory, is now operational. This paper presents the engineering aspects of the facility including the magnetic and mechanical design of the magnet system, the attendant structure, and the vacuum system. Material problems are discussed as well as the scheduling, fabrication and assembly of the facility. Design problems associat... View full abstract»

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  • The Livermore Superconducting Levitron

    Publication Year: 1971, Page(s):69 - 75
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (2151 KB)

    The Livermore Superconducting Levitron contains an 80-cm-diam superconducting ring as well as three pairs of superconducting coils that produce a poloidal field, that are 50, 112, and 160 cm in diameter respectively, and that are located 40 cm above and below the midplane of the ring. Twelve control coils and optical position sensors form a feedback system for maintaining the ring's position. Magn... View full abstract»

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  • Completion of the FM-1 Machine

    Publication Year: 1971, Page(s): 76
    Cited by:  Papers (2)
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    The Princeton Floating Multipole Machine, FM-1, has been assembled, and some tests have been performed. The device contains a 60-inch diameter superconducting ring and will be operated as a spherator. The assembly will be described with several unusual features of this new machine. Details of the unique components are presented in other papers of this conference. View full abstract»

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  • Confining Field Coils for ATC

    Publication Year: 1971, Page(s):77 - 82
    Cited by:  Papers (1)
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    This paper describes the engineering design and fabrication of the 24 wedge-shaved coils that produce the toroidal confining field for the ATC machine. The coils have 10 turns with a 45-inch I.D. and 57-inch O.D. They are designed to produce 90,000 gauss pulsed field at the inner torus radius and 23,000 gauss at mid-radius. Stress analysis for the 380,000 pound centering force is presented. View full abstract»

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  • The Toroidal Magnet of FM-1

    Publication Year: 1971, Page(s):83 - 84
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    The construction features of the toroidal field coil for the FM-1 device are described. The coil is rated at 1.5 × 106 ampere-turns steady and has a field volume of 49 cubic meters. The stored energy of the field is nearly 2 MJ. The coil must be taken apart for insertion of a superconducting ring; the techniques for accomplishing this are described. View full abstract»

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  • The Optical Sensors in FM-1

    Publication Year: 1971, Page(s):85 - 90
    Cited by:  Papers (2)
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    In the PPL FM-1 Machine, the plasma containment volume is shaped, in part, by a levitated superconducting ring which is stabilized and positioned by servoed currents in stationary tilt and slide coils. The instantaneous position of the ring is sensed, in the required five degrees of freedom, by external non-contacting reflex optical sensors. Design and construction of these sensors is described an... View full abstract»

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  • Floating Ring Stabilization System

    Publication Year: 1971, Page(s):91 - 95
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    The necessity of magnetically levitating a superconducting, current carrying ring without mechanical supports requires an electrical stabilizing system. The ring, when supported, has only one equilibrium position and this position is one of unstable equilibrium. The ring is free to move with up to six degrees of freedom. Two degrees are dictated by the ability of the ring to move in any direction ... View full abstract»

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  • Ring Catchers in FM-1

    Publication Year: 1971, Page(s):96 - 99
    Cited by:  Papers (1)
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    Described is the system for positioning, and arresting the poloidal field coil in the FM-l machine. The ring is held in the proper position, on centerline of the machine by four positioner assemblies. Rotation of the ring to proper azimuth for filling, venting and charging is provided. The positioner assemblies are lowered to the vacuum vessel floor during ring levitation or for ring maintenance. ... View full abstract»

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  • The Automatic Data Processing System for 2X II

    Publication Year: 1971, Page(s):100 - 105
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    An automatic data system is being developed to record transient data that will replace the present method of photographing scope traces with a Polaroid camera. The advantages of the new system are that it will increase data accuracy, eliminate long hours of manual reduction of data, provide instant processing of data to aid in optimizing the experimental parameters, and provide rapid comparison of... View full abstract»

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  • On-Line Processing of Data from Large Scale Experiments at PPPL

    Publication Year: 1971, Page(s):106 - 112
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    DAS-1800, a data acquisition system built around an IBM-1800 computer, has been installed and is being used in conjunction with the larger experimental machines at PPPL. An enumeration of the purchased equipment and the rationale for choosing it are given, as well as the overall philosophy and some details of peripheral equipment designed and fabricated in house. Software, including IBM-supplied m... View full abstract»

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  • A Mini-Computer Data Acquisition Station

    Publication Year: 1971, Page(s):113 - 117
    Cited by:  Papers (1)
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    A PDP-8/I mini-computer has been used as a satellite data-acquisition station in conjunction with a larger, central IBM-1800 computer. An analog data interface to the PDP-8/I permits bipolar analog data to 10-bit accuracy to be collected at the rate of one analog sample every 1.5 μs. View full abstract»

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  • 100 MHz and 100 Mbit Recording and Readout Instrumentation Systems for Electromagnetic Field Perturbations

    Publication Year: 1971, Page(s):118 - 123
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    The requirement for a wideband recording capability for instrumenting electromagnetic fields with nanosecond rise time perturbations and long duration reactions lead to the development of a modulated laser beam analog recorder. The original concept of the recorder yielded 100 MHz bandwidth records of ±40 db dynamic range of approximately 25 μsec duration but required synchronization o... View full abstract»

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Aims & Scope

IEEE Transactions on Nuclear Science focuses on all aspects of the theory and applications of nuclear science and engineering, including instrumentation for the detection and measurement of ionizing radiation; particle accelerators and their controls; nuclear medicine and its application; effects of radiation on materials, components, and systems; reactor instrumentation and controls; and measurement of radiation in space.

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