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  • fusion reactors  (1)
  • integral experiment  (1)
  • neutron activation  (1)
  • 1
    Electronic Resource
    Electronic Resource
    Calculation of neutron and gamma-ray energy spectra for fusion reactor shield design: Comparison with experiment-II (1982)
    Springer
    Journal of fusion energy 2 (1982), S. 237-249 
    Details
    ISSN: 1572-9591
    Keywords: integral experiment ; neutron spectra ; gamma-ray spectra ; analytic methods
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract Measured and calculated neutron and gamma-ray energy spectra resulting from the transport of ∼14 MeV neutrons through a 0.30-m-thick lithium hydride slab and through a 0.05-m-thick lead slab followed by 0.30 m of lithium hydride are compared. Also reported are comparisons of the measured and calculated neutron energy spectra behind an 0.80-m-thick assembly comprised of stainless steel type 304 and borated polyethylene. The spatial dependence of the gamma-ray energy deposition rate measured using thermoluminescent detectors is compared with calculated data. The calculated data obtained using two-dimensional radiation transport methods and ENDF/B-IV cross-section data are in good agreement for all of the experimental configurations. Calculated integral neutron energy spectra agree with the measured data within ∼5 to ∼20% depending on neutron energy for the LiH and Pb plus LiH assemblies. The gamma-ray spectra agree within 20% for these slabs. The measured and calculated neutron energy spectra behind the SS-304-borated polyethylene assembly agree within ∼5% except at neutron energies below ∼5 MeV where background radiation influences the measured spectra. The gamma-ray energy deposition rates as a function of depth agree within a factor of two at all detector locations.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01050934
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Dose rates from the induced activity in the ETF neutral beam injector (1982)
    Springer
    Journal of fusion energy 2 (1982), S. 173-178 
    Details
    ISSN: 1572-9591
    Keywords: neutron activation ; neutral beam injectors ; fusion reactors ; doses rates
    Source: Springer Online Journal Archives 1860-2000
    Topics: Energy, Environment Protection, Nuclear Power Engineering
    Notes: Abstract The dose equivalent rates outside the Engineering Test Facility neutral beam injector shield from the induced radioactivity have been calculated for the reactor operating at 1140 MW for 1, 30, and 365 days. The dose rates at one day after shutdown are large even after one day of operation. Depending on the location and operating time, cooling times from 30 days to ∼ 5 years are required before the dose rates are sufficiently low to allow routine maintenance work in the vicinity of the NBI shield.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01054583
    Library Location Call Number Volume/Issue/Year Availability
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    Paper (German National Licenses)
    Fulltext
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