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TECHNICAL PAPERS

Effects of Guide-Vane Number in a Three-Dimensional 60-Deg Curved Side-Dump Combustor Inlet

[+] Author and Article Information
Tong-Miin Liou, Hsin-Li Lee

Department of Power Mechanical Engineering, National Tsing Hua University, Hsinchu, Taiwan 30043, Republic of China

Chin-Chun Liao

Design Department, First International Computer, Inc., Portable Computing Group, Taiwan

J. Fluids Eng 123(2), 211-218 (Dec 20, 2000) (8 pages) doi:10.1115/1.1358843 History: Received May 05, 2000; Revised December 20, 2000
Copyright © 2001 by ASME
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References

Figures

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Sketch of experimental and coordinate system, and measurement planes of curved inlet duct models
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Distributions of longitudinal mean velocity along Rh*≈0.96 and −0.96 (Uncertainty in U/Uref: less than ±2.8 percent)
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Streamwise mean flow pattern in terms of resultant velocity vectors at Zh*=0.23 for four cases (Uncertainty in (U2+V2)1/2/Uref: less than ±2.8 percent)
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Secondary mean flow pattern in terms of resultant velocity vectors and U, Ω, and k contours at three selected cross-sectional planes for two-vane case (Uncertainty in (V2+W2)1/2/Uref: less than ±2.8 percent, in ΩDh/Uref: less than ±8.6 percent, in k/Uref2: less than ±7.4 percent)
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Streamwise variation of longitudinal mean velocity along Rh*≈−0.96 in A-1 passage at various Reynolds numbers (Uncertainty: see Fig. 2 caption)
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Variations of separation length with Reh and Res, and variation of Resc with product of radius ratio and aspect ratio (Uncertainty in Xh,sep*: less than ±5.2 percent)
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Absolute longitudinal mean velocity differences between inner and outer walls for the four cases examined (Uncertainty in |ΔUi-0|/Uref: less than ±3.2 percent, in normalized longitudinal position ±0.6 percent)
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Profiles of central-plane (Zh*=0) longitudinal mean velocity and turbulence intensity at Xh**=1.11 for the four cases examined (Uncertainty in u2/Uref: less than ±3.8 percent, in U/Uref: see Fig. 2 caption)
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Variations of Ωmax,Vmax,(v2w2)max, and kmax with streamwise distance for the four cases examined (symbols: see Fig. 7; Uncertainty in Ωmax: see Fig. 4 caption, in Vmax: less than ±2.8 percent, in (v2w2)max/U ref2: less than 9.6 percent, in kmax: see Figs. 4 caption)
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Variations of various boundary layer thickness at θh=0 deg and Zh*=0 with guide-vane number and radial distance (Uncertainty in δ/Dh: less than 3.6 percent)

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