BAIL 2006 Book of Abstracts - Institut für Numerische und ...

Q. YE: Numerical simulation of turbulent boundary for stagnation-flow in the spraypainting
process
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normalized k
velocity(m/s)
k-yplus
5
4.5
4
3.5
3
2.5
2
1.5
1
0.5
0
1.00E-03 1.00E-02 1.00E-01 1.00E+00
yplus
1.00E+01 1.00E+02 1.00E+03
3.5
3
2.5
2
1.5
1
0.5
velocity magnitude
0
-0.5 -0.3 -0.1 0.1 0.3 0.5
z(m)
standard-wall
DNS
enhanced-wall
Reynolds-stress
k-omega
Figure 2: Comparison of non-dimensional turbulent kinetic energy in the fully
developed turbulent channel flow between different turbulent models
enhanced -w all
non-equilibrium
Figure 3: Comparison of velocity magnitudes along the painting target at a distance of
0.1 mm to the wall for two different near-wall functions
[1] Q. Ye, J. Domnick, A. Scheibe, K. Pulli: Numerical Simulation of the Electrostatic Spraypainting
Process in the Automotive Industry. High-Performance Computing in Science
and Engineering’04, Springer-Verlag Berlin, Heidelberg, , 2004, pp. 261-275.
[2] J. Kim, P. Moin, R. Moser: Turbulence statistics in fully developed channel flow at low
Reynolds number. J. Fluid Mech. 177, pp.133-166. 1987.
Speaker: YE, Q. 157 BAIL 2006
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