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  • 1
    Electronic Resource
    Electronic Resource
    Analytical simulation in heat storage systems (1982)
    Springer
    Heat and mass transfer 16 (1982), S. 191-198 
    Details
    ISSN: 1432-1181
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Description / Table of Contents: Zusammenfassung Festbett-Wärmeaustauscher für Systeme von Wärmespeichern werden mit Hilfe von zweiphasigen Wärmeübergangsmodellen untersucht. Hauptsächlich werden analytische Lösungen für die Wärmebilanzen unterschiedlicher Festbettarten abgeleitet unter Berücksichtigung der Einflüsse von Wärmekapazität und Wärmeleitung. Die Ergebnisse werden kurz diskutiert und in einigen Diagrammen typische Arbeitsweisen gezeigt.
    Notes: Abstract Packed bed heat exchangers for thermal energy storage systems are investigated by means of two phase heat transfer models. The paper is mainly aimed at deriving analytical solutions to the thermal balance equations relevant to different kinds of packed beds, taking into account the roles played by heat capacity and conduction effects. The results are shortly discussed and some graphs are shown for situations typical of various operational modes.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01375643
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  • 2
    Electronic Resource
    Electronic Resource
    A multigroup approach to the non-linear extended boltzmann equation (1995)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 17 (1995), S. 129-142 
    Details
    ISSN: 0392-6737
    Keywords: Kinetic and transport theory
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Summary Following a procedure which is typical of linear (neutron) transport theory, a multigroup approach is proposed for the non-linear extended Boltzmann equation in the presence of removal, a background medium, an external source and an external force field. The relevant multigroup equations, corresponding to a discretization of the speed variable only, are derived and discussed, especially in connection with the so-called semi-discrete models recently introduced in kinetic theory.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02451592
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  • 3
    Electronic Resource
    Electronic Resource
    An analytical study of space-dependent evolution problems in particle transport theory (1986)
    Springer
    Il nuovo cimento della Società Italiana di Fisica 7 (1986), S. 327-338 
    Details
    ISSN: 0392-6737
    Keywords: Kinetic and transport theory ; Other topics in nonelectronic transport properties
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Description / Table of Contents: Riassunto Problemi spaziali di evoluzione che si incontrano nella teoria del trasporto di particelle sono studiati analiticamente per mezzo di una sistematica applicazione dell'equazione di Boltzmann. Alcune soluzioni esplicite, che possono migliorare la nostra conoscenza degli effetti spaziali in tale classe di problemi, sono costruite e commentate brevemente su base fisica.
    Abstract: Резюме Аналитически, используя уравнение Больцмана, исследуются проблемы пространственной эволюции, зозниакющие в теории переноса частиц. Конструируются некоторые точные решения, которые могут уточнить наше понимание пространственных эффектов в таком классе проблем. Проводится обсуждение этих решений.
    Notes: Summary Space-dependent evolution problems arising in particle transport theory are analytically studied via a systematic application of the Boltzmann equation. Some explicit solutions, that can improve our knowledge of the spatial effects in such a class of problems, are constructed and briefly commented on a physical ground.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02453235
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  • 4
    Electronic Resource
    Electronic Resource
    Moment equations for the diffusion of the particles of a mixture via the scattering kernel formulation of the nonlinear Boltzmann equation
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 131 (1985), S. 431-448 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(85)90007-X
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  • 5
    Electronic Resource
    Electronic Resource
    Similarity solutions of 2-velocity models of the extended Boltzmann equation
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 210 (1994), S. 155-164 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(94)00086-7
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  • 6
    Electronic Resource
    Electronic Resource
    On the equivalence between the probabilistic, kinetic, and scattering kernel formulations of the Boltzmann equation
    Amsterdam : Elsevier
    Physica A: Statistical Mechanics and its Applications 164 (1990), S. 400-410 
    Details
    ISSN: 0378-4371
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Physics
    Type of Medium: Electronic Resource
    URL: http://linkinghub.elsevier.com/retrieve/pii/0378-4371(90)90203-5
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  • 7
    Electronic Resource
    Electronic Resource
    Evaluation of the electric field generated by longitudinal plasma waves (1989)
    New York, NY : American Institute of Physics (AIP)
    Physics of Fluids 1 (1989), S. 2149-2152 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The stabilizing effects of the addition of short-range collisions to a partially ionized plasma are investigated through a recently developed numerical Laplace transform inversion algorithm. The technique is demonstrated using a two-stream equilibrium distribution and double Maxwellian equilibrium distributions. The regions of plasma stability obtained in previous studies are verified.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.859080
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  • 8
    Electronic Resource
    Electronic Resource
    Chaotic dynamics of spatially homogeneous gas mixtures (1988)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 31 (1988), S. 2048-2051 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The transport of N gases in a background host medium can be described, in the case of constant collision frequencies, by a set of N ordinary differential equations of the Lotka–Volterra type. It is shown that for N=3 such a set exhibits chaotic dynamics generated by a sequence of period-doubling bifurcations starting from a supercritical Hopf bifurcation of the three-species equilibrium state.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.866655
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  • 9
    Electronic Resource
    Electronic Resource
    Dynamics of a gas mixture in an extended kinetic theory (1985)
    [S.l.] : American Institute of Physics (AIP)
    Physics of Fluids 28 (1985), S. 3232-3236 
    Details
    ISSN: 1089-7666
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The dynamics of a mixture of N rarefied gases is studied by analyzing the set of nonlinear continuity equations for the number densities. Removal and regeneration effects are also taken into account. Various physical situations are considered, corresponding to N=2 and N=3. The relevant diagrams (trajectories in the phase space and curves of the single densities as functions of time) are reported and briefly discussed on physical grounds.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.865372
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  • 10
    Electronic Resource
    Electronic Resource
    On group invariant solutions of the Boltzmann equation (1996)
    College Park, Md. : American Institute of Physics (AIP)
    Journal of Mathematical Physics 37 (1996), S. 2787-2795 
    Details
    ISSN: 1089-7658
    Source: AIP Digital Archive
    Topics: Mathematics , Physics
    Notes: After reviewing the complete Lie group for the full Boltzmann equation, it is shown that projective transformations play a special role in the general case, and the class of invariant solutions giving rise to homoenergetic affine flows is presented. Homoenergetic affine flows in the two-dimensional case [potential U(r)∝r−2] are considered in detail: It is shown that the general solution of this problem can be essentially simplified by projective transformations. © 1996 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.531540
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