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  • film flow  (1)
  • open impeller  (1)
  • oscillating flow  (1)
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  • 1
    Digitale Medien
    Digitale Medien
    Electrodiffusional flow diagnostics in a centrifugal pump (1998)
    Springer
    Journal of applied electrochemistry 28 (1998), S. 337-342 
    Details
    ISSN: 1572-8838
    Schlagwort(e): electrodiffusion ; flow measurements ; centrifugal pump ; shear rate ; soft processing ; open impeller
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Elektrotechnik, Elektronik, Nachrichtentechnik
    Notizen: Abstract This paper presents electrodiffusional measurements of the wall shear rate at the impeller surface of a radial centrifugal pump. Twelve probes of different radii and at different positions along one blade were used in a pump with an open six bladed impeller. By means of throttling and speed control the operating point of the pump was adjusted and the influence on the wall shear rate was studied. The measurements were related to the analytical solution for a free rotating disc and the shear gradients were in the same order of magnitude.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1023/A:1003276002641
    Standort Signatur Erwartet Verfügbarkeit
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    Artikel (Nationallizenzen)
    Volltext
  • 2
    Digitale Medien
    Digitale Medien
    Film flow of pseudoplastic liquids along an oscillating wall (1994)
    Springer
    Rheologica acta 33 (1994), S. 136-144 
    Details
    ISSN: 1435-1528
    Schlagwort(e): Flow rate enhancement ; film flow ; oscillating flow ; pseudoplastic liquids
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Physik
    Notizen: Abstract The film thickness of pseudoplastic liquids flowing down a vertical wall can be decreased by the longitudinal oscillations of the wall. This phenomenon is treated in the term of the flow enhancement which is common in the flows in oscillating tube. The theoretical predictions of the flow rate enhancement are reviewed for the boundary layer and creeping flow regimes. The experiments were done in the transient regime between these two asymptotic regimes. As high as five-fold decrease of the film thickness, which corresponds to the flow rate enhancements 105, was measured with concentrated kaolin suspensions with the flow index 0.15. Empirical correlations which describe the flow rate enhancement and the film thickness of the liquids with the power law viscosity function in the transient regime were found.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00366758
    Standort Signatur Erwartet Verfügbarkeit
    BibTip Andere fanden auch interessant ...
    Artikel (Nationallizenzen)
    Volltext
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