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  • 1
    Electronic Resource
    Electronic Resource
    Amsterdam : Elsevier
    Journal of Sound and Vibration 122 (1988), S. 523-533 
    ISSN: 0022-460X
    Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Oxford, UK : Blackwell Publishing Ltd
    Annals of the New York Academy of Sciences 404 (1983), S. 0 
    ISSN: 1749-6632
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Natural Sciences in General
    Type of Medium: Electronic Resource
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  • 3
    ISSN: 1572-9648
    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: Summary The conservative form of the complete set of Navier-Stokes equations and boundary conditions for the flow field of two immiscible fluids separated by a moving interface of unknown shape, is obtained with reference to a boundary fitted system of non steady general coordinates. The method applied in this paper to obtain the set of equations as the limit, in the case of small relative velocities, of the corresponding set in the frame of relativistic fluid mechanics, seems particularly direct and appropriate to express the boundary conditions on the moving interface. The immediate extension of the method to treat different kinds of interfaces of discontinuity is also discussed.
    Notes: Sommario Il sistema completo di equazioni di Stokes-Navier e di condizioni al contorno per due fluidi immiscibili separati da una superficie di interfaccia incognita e mobile nel tempo, viene espresso in forma conservativa e con riferimento ad un sistema mobile di coordinate generalizzate in cui la superficie di interfaccia coincide con uno dei piani coordinati. Le equazioni vengono ricavate, al limite per piccole velocità relative, dal corrispondente sistema che regola il moto nell'ambito della meccanica relativistica: questo metodo appare diretto ed appropriato in particolare per la derivazione delle condizioni al contorno su una superficie mobile. Viene infine discussa la possibile applicazione del metodo per trattare tipi differenti di superfici di discontinuità in un campo fluido.
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 2 (1982), S. 367-386 
    ISSN: 0271-2091
    Keywords: Free Surface ; Thermocapillary ; Convective Flows ; Curvilinear Co-ordinates ; Interface Equations ; Engineering ; Engineering General
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The importance of convective flows generated by surface tension gradients, in comparison with the ones generated by other driving forces, has been investigated in connection with space technological applications involving fluid processes. A theoretical model of the boundary conditions at the interface, considered free and diffusive, has been derived in general tensor form to allow for the use of non orthogonal curvilinear co-ordinates. For the study of flow fields contained in enclosures, these co-ordinates are more suitable to fit all teh boundaries, in particular near the contact angle between the interface and the solid walls, thus giving more accurate numerical solutions.A computational procedure to solve the complete set of bulk and surface equations is proposed and applied to a simplified two dimensional flow in a rectangular enclosure with a temperature gradient between the lateral walls. The numerical results show the importance of considering the interface to be deformable and diffusive for an accurate evaluation of the convective flow in the fluid bulk.
    Additional Material: 11 Ill.
    Type of Medium: Electronic Resource
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