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  • 1
    Electronic Resource
    Electronic Resource
    Non-radial flow of an incompressible fluid of second grade in a contracting channel (1995)
    Springer
    Meccanica 30 (1995), S. 53-62 
    Details
    ISSN: 1572-9648
    Keywords: Non-Newtonian fluids ; second-grade fluid ; contracting channel ; fluid mechanics
    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: Sommario Si studia il flusso stazionario non radiale di un fluido di secondo grado incomprimibile in un canale convergente, esaminandone la dipendenza dai parametri materiali del fluido e dall'angolo di apertura del canale. Si introduce una trasformazione di similitudine per la funzione di corrente che riduce l'equazione di moto ad una serie di equazioni differenziali ordinarie, risolte numericamente.
    Notes: Abstract The steady non-radial flow of an incompressible fluid of second grade in a contracting channel is studied. The dependence of the flow on the material parameters of the fluid and on the channel angle is investigated. A similarity transformation is introduced for the streamfunction which reduces the P.D.E. to a sequence of O.D.E.s. A series solution is employed to solve the problem.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987125
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    Paper (German National Licenses)
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  • 2
    Electronic Resource
    Electronic Resource
    Longitudinal and torsional oscillations of a rod in an Oldroyd-B fluid with suction or injection (1997)
    Springer
    Acta mechanica 123 (1997), S. 57-68 
    Details
    ISSN: 1619-6937
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: Summary The axisymmetric flow of a homogeneous Oldroyd-B fluid due to the longitudinal and torsional oscillations of an infinite circular rod is studied. At the surface of the rod, suction or injection velocity is applied. The motion and the constitutive equations from a system of P.D.E.s solved numerically. Only in few cases can the numerical results be compared with some known analytical solutions. Numerical experiments show the effect of the non-Newtonian dimensionless parameters on the velocity and on the shear stresses.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01178400
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    Paper (German National Licenses)
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  • 3
    Electronic Resource
    Electronic Resource
    FLOW OF A VISCOELASTIC FLUID BETWEEN TWO ROTATING CIRCULAR CYLINDERS SUBJECT TO SUCTION OR INJECTION (1997)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 24 (1997), S. 337-349 
    Details
    ISSN: 0271-2091
    Keywords: Oldroyd-B ; non-Newtonian ; boundary layer ; collocation ; spline ; Engineering ; Numerical Methods and Modeling
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: The steady flow of an Oldroyd-B fluid between two porous concentric circular cylinders is studied. The equation of motion and the constitutive equations form a system of non-linear ODEs that is solved numerically, and in a few cases the numerical results are compared with a known analytical solution. We consider the effect of the non-Newtonian nature of the fluid on the drag and on the boundary layer structure near the walls. Numerical computations show the effect of the non-Newtonian quantities on the velocity and on the shear stress as the dimensionless parameters are varied. © by 1997 John Wiley & Sons, Ltd.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
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    Paper (German National Licenses)
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