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  • Articles: DFG German National Licenses  (3)
  • 1990-1994  (3)
  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Transport in porous media 9 (1992), S. 1-1 
    ISSN: 1573-1634
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Technology
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Wood science and technology 26 (1992), S. 295-306 
    ISSN: 1432-5225
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary The paper is concerned with an experimental investigation of the swelling strains and mechanical strains of water soaked wood under one- and two-dimensional stress states at changing moisture content. The aim of this paper is to develop an experimental basis for setting up the physical relations between strains, stresses and moisture content in wood.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Transport in porous media 8 (1992), S. 47-70 
    ISSN: 1573-1634
    Keywords: Fluid flow ; deformable porous body ; constrained and free (unconstrained) fluid ; ternary mixture ; fluid-fluid coupling ; macroscopic fields ; molecular averages in spacetime
    Source: Springer Online Journal Archives 1860-2000
    Topics: Geosciences , Technology
    Notes: Abstract Continuum descriptions of fluid transport through a (possibly deformable) porous body are considered at two length scalesε 1 andε 2, whereε 1 is much smaller (andε 2 much greater) than typical pore dimensions and skeletal structure size. Motivation is provided, in the case of convoluted pore geometry, for a notional division of the fluid at any given instant into two complementary, mutually-disjoint parts. ‘Constrained’ fluid is identified as that lying in certain (for example, ‘backwater’ or ‘cul-de-sac’) regions and the remaining fluid termed ‘free’ (or ‘unconstrained’). At theε 2 scale the system is regarded as a ternary mixture whose constituents are the body, free fluid, and constrained fluid. Mass and momentum balances are presented for each of these constituents. Full account is taken of mass transfer between the two fluid species (‘mass coupling’) and momentum exchange between all three species. The macroscopic fields in the balance relations are identified with local averages of molecular quantities in space or spacetime.
    Type of Medium: Electronic Resource
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