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  • Nuclear Reactions  (2)
  • Lattice Boltzmann BGK equations  (1)
  • Ressourcenmanagement  (1)
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  • 1
    Online Resource
    Online Resource
    Berlin, Heidelberg : Springer
    Keywords: Environmental pollution ; Environment ; Environmental sciences ; Water-supply. ; Environmental health. ; Water pollution. ; Wasserkreislauf ; Abwasserverwertung ; Ressourcenmanagement ; Wasserversorgung ; Sicherheit ; Gesundheitsgefährdung
    Description / Table of Contents: This book focuses on environmental engineering, and on wastewater treatment and reuse in particular, which is a vital aspect for countries and regions suffering from water shortages. It introduces a new water cycle management concept for designing water systems that mimic the hydrological cycle, where reclaimed water is produced, stored/regulated, supplied and used in a semi-natural manner so that its self-purification capacity and system efficiency can be maximized. To ensure safe water throughout the cycle, emphasis is placed on the control of ecological and pathogenic risks using a series of quality indices associated with bioassays and molecular biological analyses, as well as risk assessments focusing on protecting the environment and human health. Together with theoretical and technological discussions, a real case of a district water system for maximizing water circulation and reuse by means of a sophisticated water cycle is presented. This book introduces readers to essential new concepts and practices and illustrates the future perspectives offered by a new paradigm for design and safety control in the context of wastewater reuse systems
    Type of Medium: Online Resource
    Pages: Online-Ressource (VIII, 98 p. 36 illus., 12 illus. in color, online resource)
    ISBN: 9783662458211
    Series Statement: SpringerBriefs in Water Science and Technology
    RVK:
    Language: English
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  • 2
    ISSN: 1572-9613
    Keywords: Lattice Boltzmann BGK equations ; nonslip boundary conditions ; analytic solutions of simple flows
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract In this paper we analytically solve the velocity of the lattice Boltzmann BGK equation (LBGK) for several simple flows. The analysis provides a framework to theoretically analyze various boundary conditions. In particular, the analysis is used to derive the slip velocities generated by various schemes for the nonslip boundary condition. We find that the slip velocity is zero as long as Σαfαeα=0 at boundaries, no matter what combination of distributions is chosen. The schemes proposed by Nobleet al. and by Inamuroet al. yield the correct zeroslip velocity, while some other schemes, such as the bounce-back scheme and the equilibrium distribution scheme, would inevitably generate a nonzero slip velocity. The bounce-back scheme with the wall located halfway between a flow node and a bounce-back node is also studied for the simple flows considered and is shown to produce results of second-order accuracy. The momentum exchange at boundaries seems to be highly related to the slip velocity at boundaries. To be specific, the slip velocity is zero only when the momentum dissipated by boundaries is equal to the stress provided by fluids.
    Type of Medium: Electronic Resource
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  • 3
    Publication Date: 2017-10-24
    Description: Author(s): Junhua Luo, Li Jiang, and Suyuan Li The Eu 153 ( n , 2 n ) Eu m 1 , m 2 , g 152 cross section was measured by means of the activation technique at three neutron energies in the range 13–15 MeV. The quasimonoenergetic neutron beam was formed via the H 3 ( d , n ) He 4 reaction, in the Pd-300 Neutron Generator at the Chinese Academy of Engineering Physics (CAE... [Phys. Rev. C 96, 044617] Published Mon Oct 23, 2017
    Keywords: Nuclear Reactions
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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  • 4
    Publication Date: 2018-07-26
    Description: Author(s): Junhua Luo, Li Jiang, and Long He The ( n , 2 n ) cross sections and their isomeric ratios ( σ m / σ g ) in the 13–15 MeV neutron energy range have been measured for Hg 196 , 198 by an activation and offline γ-ray spectrometric technique using the Pd-300 Neutron Generator at the Chinese Academy of Engineering Physics (CAEP). Natural Hg samples an... [Phys. Rev. C 98, 014619] Published Wed Jul 25, 2018
    Keywords: Nuclear Reactions
    Print ISSN: 0556-2813
    Electronic ISSN: 1089-490X
    Topics: Physics
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