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  • Exploring New Directions In Multi-Modal Spatial Data Access
    The FuSe Map System is composed of several elements that include a magnetic touch board (composed of a grid of solenoids and H-bridge circuits), relays, a micro- controller, a single 12 & 5 volt power supply and a PC database.
    For a solenoid with an inner diameter of 5 cm and an outer diameter of 12 cm, using 14 gauge wire, this translates... ...of power required (4 Amps at 28 Volts ); the temperature change of the solenoid due to resistive wire... ...indenter and load train except for the solenoid yoke are made of non- magnetic 303 stainless steel.
  • Alternative poloidal field configurations for ITER
    Segmentation of the lTER Central Solenoid , Design Study by the United States Home Team, December 1996 ITERDetailed Design Report, 12 November 1996 J. A. Crotinger, et al., “Corsica: A comprehensive simu- lation of toroidal magnetic fusion devices�?, LLNL Re... ...Ejima, et al., “ Volt -second analysis and consumption...
  • Electrically-Controlled Demand-Thrust Rockets for Satellite Guidance
    A typical power supply for this application would comprise a 12 - volt nickel-cadmiiumii battery weighing 0.75 pound and a solar cell recharge system which would weigh as much as 4 pounds. The magnetic amplifier would be of the 2- or 3-stage transistor type weighing 0.5 pound and furnishing 2 watts to the solenoid coil controlled by an input signal of 50 micro- amps.
  • Aerospace Engineering on the Back of an Envelope
    ...a 10% duty cycle and NI ¼ 9,080 ampere- turns as recommended by Magnetic Sensor Systems . Voltage ¼ 24.2 volts ; or two 12 volt batteries ...for the maximum force and maximum energy (or delivered work) for our model solenoid given the solenoid/plunger...
  • Magnetorheological Fluid Based Torque Transmission Clutches
    The required electrical current to vary the magnetic field strength is supplied by an EPSCO INC., model PS-5, filtered DC power generator capable of producing electrical current ranging from 0 to 12 amperes. The solenoid magnet wires were attached to the power generator. ...was capable of turning 30,000 rpm, and was powered by a 7.2 volts battery cell.
  • Electron Beam Focusing with Periodic Permanent Magnet Fields
    ...of current focused to the collector with a beam voltage of 1,800 volts the rf gain... This corresponds closely to operation in a uniform solenoid . DYNAMICS The equations of motion for the electron beam in the periodic magnetic field of Fig. 12 are derived with the following assumptions.
  • Over the makeshift construction of eye magnet
    c) By the Schumanns marriages, I £ iesenmagneten (kind G.M. 3n) operated with 220 volts Wachselstrom according to leaflet 10--12 cms, measured on dam Schumannsahen t ~... ...11 em ~ The together. the eye magnet assembled to our simple... the AbschluBpl ~ tte of the solenoid or the winding projects out.
  • Developments in chlorine detection in concrete using NMR
    ...using this equation a ratio of SNR values is computed where it is assumed that every parameter remains the same except for Bo and coil diameter), B1 = magnitude of the transverse magnetic field, i = unit current... ...temperature, Vnoise = noise in volt , and Peck et al. 12 derived the relationship of the SNR per unit volume for a solenoid shaped coil taking into account conductive and dielectric losses: .
  • Determination of the Planck constant using a watt balance with a superconducting magnet system at the National Institute of Standards and Technology
    ...Burroughs C J, Harvey T E and Christian L A 1997 Stable 1 volt programmable voltage standard... ...R F 2000 Comparison of quantum Hall effect resistance standards of the NIST and the BIPM Metrologia 37 173–6 [ 12 ] Haddad D, Waltrip B... ...T 1972 A noncontacting magnetic pickup probe for measuring... ...pitch of a precision solenoid IEEE Trans. Instrum. Meas.
  • Noise in Traveling-Wave Tubes
    To conclude a discussion of the optics of the tube; the magnetic field was produced by a solenoid 12 inches in diameter and 36 inches long giving a field uniform within 2 per cent over a distance of 18 inches on the... ...any attention was paid to the noise factor worked at approximately 1,600 volts , had helices 3...
  • Strain rate behavior of magnetorheological materials
    The application of an electromagnetic field requires a solenoid coil, which was made of 405 turns of 20 gauge solid copper wire on a radius of 0.6785 inches and driven by 12 volt battery at one ampere direct current to induce... ...did in fact produce a 0.01 Tesla electromagnetic field at the center of the magnetic field.
  • Magnetized Water for Improve Sweep Efficiency
    , where is length of the solenoid . ...water flowing through the magnetized pipe got magnetized and becomes magnetized creating a magnetic potential gradient which... The observation was repeated for electric potential of V = 0, 12 , 24, 36 and 48 Volts .