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  • 1
    Digitale Medien
    Digitale Medien
    Jefferey-Hamel flow of power-law fluids for exponent values close to the critical value
    Amsterdam : Elsevier
    International Journal of Non-Linear Mechanics 26 (1991), S. 761-767 
    Details
    ISSN: 0020-7462
    Quelle: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002
    Thema: Maschinenbau , Physik
    Materialart: Digitale Medien
    URL: http://linkinghub.elsevier.com/retrieve/pii/0020-7462(91)90026-P
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  • 2
    Digitale Medien
    Digitale Medien
    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
    Schlagwort(e): Non-Newtonian fluids ; second-grade fluid ; contracting channel ; fluid mechanics
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Beschreibung / Inhaltsverzeichnis: 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.
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00987125
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  • 3
    Digitale Medien
    Digitale Medien
    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
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Maschinenbau , Physik
    Notizen: 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.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01178400
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  • 4
    Digitale Medien
    Digitale Medien
    Messung der elektrostatischen Aufladung von Teppichen (1978)
    Springer
    Colloid & polymer science 256 (1978), S. 104-104 
    Details
    ISSN: 1435-1536
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Chemie und Pharmazie , Maschinenbau
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01746828
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  • 5
    Digitale Medien
    Digitale Medien
    Steady flows of non-Newtonian fluids past a porous plate with suction or injection (1993)
    Chichester : Wiley-Blackwell
    International Journal for Numerical Methods in Fluids 17 (1993), S. 927-941 
    Details
    ISSN: 0271-2091
    Schlagwort(e): Shear-thinning ; Shear-thickening ; Apparent viscosity ; Normal stress difference ; Engineering ; Engineering General
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau
    Notizen: The problem of the steady flow of three classes of non-linear fluids of the differential type past a porous plate with uniform suction or injection is studied. The flow which is studied is the counterpart of the classical ‘asymptotic suction’ problem, within the context of the non-Newtonian fluid models. The non-linear differential equations resulting from the balance of momentum and mass, coupled with suitable boundary conditions, are solved numerically either by a finite difference method or by a collocation method with a B-spline function basis. The manner in which the various material parameters affect the structure of the boundary layer is delineated. The issue of paucity of boundary conditions for general non-linear fluids of the differential type, and a method for augmenting the boundary conditions for a certain class of flow problems, is illustrated. A comparison is made of the numerical solutions with the solutions from a regular perturbation approach, as well as a singular perturbation.
    Zusätzliches Material: 10 Ill.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1002/fld.1650171102
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  • 6
    Digitale Medien
    Digitale Medien
    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
    Schlagwort(e): Oldroyd-B ; non-Newtonian ; boundary layer ; collocation ; spline ; Engineering ; Numerical Methods and Modeling
    Quelle: Wiley InterScience Backfile Collection 1832-2000
    Thema: Maschinenbau
    Notizen: 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.
    Zusätzliches Material: 5 Ill.
    Materialart: Digitale Medien
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