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  • 1
    Digitale Medien
    Digitale Medien
    Developing pressure profiles for non-Newtonian flow in an annular duct (1974)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 20 (1974), S. 154-158 
    Details
    ISSN: 0001-1541
    Schlagwort(e): Chemistry ; Chemical Engineering
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: A steady, laminar, isothermal flow of non-Newtonian fluids in the entrance region of an annulus has been studied experimentally. The axial pressure distributions, as well as the excess pressure energy, in the developing flow region are presented. The loss coefficients are found to increase with increasing flow behavior index for inelastic power law fluids. The experimental values of the loss coefficients are about 20% lower than those predicted from the boundary-layer approximation method presented earlier. A preliminary result indicates that the entrance loss for a viscoelastic fluid is much smaller than that for the inelastic fluid of the same flow behavior index.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/aic.690200120
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  • 2
    Digitale Medien
    Digitale Medien
    Developing and fully developed velocity profiles for inelastic power law fluids in an annulus (1974)
    Hoboken, NJ : Wiley-Blackwell
    AIChE Journal 20 (1974), S. 1140-1144 
    Details
    ISSN: 0001-1541
    Schlagwort(e): Chemistry ; Chemical Engineering
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Chemie und Pharmazie , Werkstoffwissenschaften, Fertigungsverfahren, Fertigung
    Notizen: Developing and fully developed velocity profiles with respect to position for laminar flow of inelastic fluids in an annulus were measured using streak photography. The polymer solutions used in the investigation were found to exhibit power law behavior under the present experimental conditions. The experimental results substantiated published theoretical solutions for developing and fully developed flow of power-law fluids in annuli, and also indicated good agreement between the measured and predicted entrance lengths. The dimensionless entrance length was found to increase with increasing flow behavior index for the inelastic power-law fluids.
    Zusätzliches Material: 6 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/aic.690200612
    Bibliothek Standort Signatur Band/Heft/Jahr Verfügbarkeit
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