Numerical simulation of three-dimensional unsteady turbulent flows in fluid couplings was carried out by numerically solving Navier-Stokes equations in a rotating coordinate system. The standard k-ε model was used to take turbulence into account. A finite volume scheme with colocated body-fitted grids was used to solve the basic equations. Computed flow structures show the vortex generation and its effect on the torque transmission. Computed local velocity and torque flow compare well with measurements.
Issue Section:
Research Papers
1.
Bai, L., 1995, “Numerische Untersuchung von turbulenten Stro¨mungen in hydrodynamischen Kupplungen,” PhD thesis Ruhr-Universita¨t Bochum, Fortschrittberichte, Reihe 7, Nr. 267, Verlag des Vereins Deutscher Ingenieure, Du¨sseldorf, Germany.
2.
Bai
L.
Fiebig
M.
Mitra
N. K.
Kost
A.
1993
, “Multigridverfahren zur Berechnung von 3D Stro¨mungen in komplexen Geometrien
,” Zeitschrift fu¨r angewandte Mathematik und Mechanik
, Vol. 73
, pp. T554–T556
T554–T556
.3.
Bai, L., Blomerius, H., Mitra, N. K., and Fiebig, M., 1994, “Numerical Simulation of Unsteady Incompressible 3D Turbulent Flow in Fluid Coupling with Inclined Blades,” presented in ASME—Winter Annual Meeting, Chicago, published in DSC—Vol. 55-2, pp. 609–616.
4.
Kost
A.
Mitra
N. K.
Fiebig
M.
1994
, “Numerical Simulation of 3D Periodic Flow in Fluid Couplings
,” Acta Mechanica
, Vol. 4
, pp. 199
–205
.5.
Khosla
P. K.
Rubin
S. G.
1979
, “A Diagonally Dominant Second-Order Accurate Implicit Scheme
,” Computers & Fluids
, Vol. 2
, pp. 207
–209
.6.
Lakshminarayana
B.
1991
, “An Assessment of Computational Fluid Dynamic Techniques in the Analysis and Design of Turbomachinery—The 1990 Freeman Scholar Lecture
,” ASME JOURNAL OF FLUIDS ENGINEERING
, Vol. 113
, pp. 315
–352
.7.
Langlois
H. P.
1979
, “Hydrodynamic Adjustable-Speed Drives
,” Power Transmission Design
, Vol. 21
, pp. 60
–62
.8.
Launder
B. E.
Spalding
D. B.
1974
, “The Numerical Computation of Turbulent Flow
,” Computer Methods in Applied Mechanics and Engineering
, Vol. 3
, pp. 269
–289
.9.
Middelmann, V., 1992, “Analyse des Systemverhaltens Hydrodynamischer Kupplungen bei Variation der Kreislaufgeometrie,” PhD thesis, Ruhr-Universita¨t Bochum.
10.
Rai
M. M.
1989
, “Three-Dimensional Navier-Stokes Simulation of Turbine Rotor-Stator-Interaction
,” Journal of Propulsion and Power
(American Institute of Aeronautics and Astronautics), Vol. 5
, pp. 305
–319
.11.
Rhie
C. M.
Chow
W. L.
1983
, “Numerical Study of the Turbulent Flow Past an Airfoil with Trailing Edge Separation
,” American Institute of Aeronautics and Astronautics Journal
, Vol. 21
, pp. 1525
–1532
.12.
Stone
H. L.
1968
, “Iterative Solution of Implicit Approximations of Multidimensional Partial Differential Equations
,” Journal Numerical Analysis (SIAM)
, Vol. 5
, pp. 530
–558
.13.
Van Doormaal
J. P.
Raithby
G. D.
1984
, “Enhancement of the SIMPLE Method for Predicting Incompressible Fluid Flows
,” Numerical Heat Transfer
, Vol. 7
, pp. 147
–163
.
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