Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/19551
Title: Mean flow and turbulence measurements of the impingement wall jet on a semi-circular convex surface
Authors: Chan, TL 
Zhou, Y
Liu, MH
Leung, CW 
Issue Date: 2003
Publisher: Springer
Source: Experiments in fluids, 2003, v. 34, no. 1, p. 140-149 How to cite?
Journal: Experiments in fluids 
Abstract: The detailed mean flow and turbulence measurements of a turbulent air slot jet impinging on two different semi-circular convex surfaces were investigated in both free jet and impingement wall jet regions at a jet Reynolds number Rew= 12,000, using a hot-wire X-probe anemometer. The parametric effects of dimensionless circumferential distance, S/W=2.79-7.74, slot jet-to-impingement surface distance Y/W=1-13, and surface curvature D/W=10.7 and 16 on the impingement wall jet flow development along a semi-circular convex surface were examined. The results show that the effect of surface curvature D/W increases with increasing S/W. Compared with transverse Reynolds normal stress, v2̄/Um 2, the streamwise Reynolds normal stress, u2̄/Um 2is strongly affected by the examined dimensionless parameters of D/W, Y/W and S/W in the near-wall region. It is also evidenced that the Reynolds shear stress, -uv̄/U m 2 is much more sensitive to surface curvature, D/W.
URI: http://hdl.handle.net/10397/19551
ISSN: 0723-4864
EISSN: 1432-1114
DOI: 10.1007/s00348-002-0546-0
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