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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Heat and mass transfer 22 (1988), S. 347-354 
    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 Mit Hilfe der Methode der finiten Elemente wird eine Lösung der gekoppelten Wärmeund Stoffübertragung für die Absorption eines Dampfes, mit hoher Absorptionswärme, in einer laminaren Filmströmung beschrieben. Konvektion und Diffusion parallel und senkrecht zur Strömungsrichtung werden beobachtet. Temperaturund Massenfraktionsprofile werden gezeigt. Der Vergleich mit einer Lösung für eine ein-dimensionale Strömung und dazu senkrechter Diffusion zeigt, daß mit abnehmender Peclet-Zahl die Abweichungen zu unserem zwei-dimensionalen Modell steigen.
    Notes: Abstract A finite element solution is given for the coupled heat and mass transfer taking place when a vapour with considerable heat of absorption is absorbed into a laminar film flow. Convection and diffusion parallel and perpendicular to the direction of flow are taken into account. Temperature and mass fraction profiles across the film are given as well as results in film flow direction for several values of the Peclet number. Comparison with a solution based on one-dimensional flow and diffusion perpendicular to the flow, shows that deviations from this case by our two-dimensional solution increase for decreasing Peclet number.
    Type of Medium: Electronic Resource
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