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ADDITIONAL TECHNICAL PAPERS

Effects of Inclination Angle of Ribs on the Flow Behavior in Rectangular Ducts

[+] Author and Article Information
Xiufang Gao, Bengt Sundén

Division of Heat Transfer, Lund Institute of Technology, Box 118, 221 00 Lund, Sweden

J. Fluids Eng 126(4), 692-699 (Sep 10, 2004) (8 pages) doi:10.1115/1.1778715 History: Received November 18, 2003; Revised February 12, 2004; Online September 10, 2004
Copyright © 2004 by ASME
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References

Olsson,  C. O., and Sundén,  B., 1998, “Experimental Study of Flow and Heat Transfer in Rib-Roughened Rectangular Channels,” Exp. Therm. Fluid Sci., 16(4), pp. 349–365.
Sundén,  B., 1999, “Enhancement of Convective Heat Transfer in Rib-Roughened Rectangular Ducts,” J. Enhanced Heat Transfer, 6, pp. 89–103.
Gao,  X., and Sundén,  B., 2001, “Heat Transfer and Pressure Drop Measurements in Rib-Roughened Rectangular Ducts,” Exp. Therm. Fluid Sci., 24, pp. 25–34.
Taslim, M. E., 2001, “Experimental Heat Transfer in Stationary Rib-Roughened Rectangular Channels,” in Heat Transfer in Gas Turbines (eds., B. Sundén and M. Faghri), pp. 291–405, WIT Press, Southampton, UK.
Saidi, A., and Sundén, B., 1998, “Calculation of Convective Heat Transfer in Square-Sectioned Gas Turbine Blade Cooling Channels,” ASME paper 98-GT-204.
Abdon, A., 2001, “Numerical Simulations of Cooling Concepts Related to Gas Turbine Combustors,” Ph.D. thesis, Division of Heat Transfer, Lund Institute of Technology.
Han, J. C., Dutta, S. D., and Ekkad, S. E., 2000, “Gas Turbine Heat Transfer and Cooling Technology,” Taylor & Francis, New York, USA.
Taslim,  M. E., and Wadsworth,  C. M., 1997, “An Experimental Investigation of the Rib Surface-Averaged Heat Transfer Coefficient in a Rib-Roughened Square Passage,” ASME J. Turbomach., 119(2), pp. 381–389.
Kilicaslan,  I., and Ibrahim Sarac,  H., 1998, “Enhancement of Heat Transfer in Compact Heat Exchanger by Different Type of Rib With Holographic Interferometry,” Exp. Therm. Fluid Sci., 17, pp. 339–346.
Ahn,  S. W., 2001, “The Effects of Roughness Types on Friction Factors and Heat Transfer in Roughened Rectangular Duct,” Int. Commun. Heat Mass Transfer, 28(7), pp. 933–942.
Iacovides,  H., Jackson,  D. C., Kelemenis,  G., and Launder,  B. E., 2000, “The Measurement of Local Wall Heat Transfer in Stationary U-Ducts of Strong Curvature With Smooth and Rib-Roughened Walls,” ASME J. Turbomach., 122(2), pp. 386–392.
Ekkad,  S. V., and Han,  J. C., 1997, “Detailed Heat Transfer Distributions in Two-Pass Square Channels With Rib Turbulators,” Int. J. Heat Mass Transfer, 40(11), pp. 2525–2537.
Liou,  T. M., Chen,  C. C., and Tsai,  T. W., 2000, “Heat Transfer and Fluid Flow in a Square Duct With 12 Different Shaped Vortes Generators,” ASME J. Heat Transfer, 122(2), pp. 327–335.
Taslim,  M. E., Li,  T., and Kercher,  D. M., 1996, “Experimental Heat Transfer and Friction in Channels Roughened With Angled, V-Shaped and Discrete Ribs on Two Opposite Walls,” ASME J. Turbomach., 118(1), pp. 20–28.
Park,  J. S., Han,  J. C., Huang,  Y., and Ou,  S., 1992, “Heat Transfer Performance Comparisons of Five Different Rectangular Channels With Parallel Angled Ribs,” Int. J. Heat Mass Transfer, 35(11), pp. 2891–2903.
Abdon, A., and Sundén, B., 1998, “A Numerical Method to Calculate the Cooling Performance of a Rib-Roughened Duct,” in Advanced Computational Methods in Heat Transfer (eds., A. J. Nowak, C. A. Brebbia, R. Bialecki, and M. Zerroukat), pp. 381–392, Computational Mechanics Publications, Southampton, UK.
Liou,  T. M., Wu,  Y. Y., and Chang,  Y., 1993, “LDV Measurements of Periodic Fully Developed Main and Secondary Flows in a Channel With Rib-Disturbed Walls,” ASME J. Fluids Eng., 115(1), pp. 109–114.
Iacovides,  H., Jackson,  D. C., Launder,  B. E., and Yuan,  Y. M., 1999, “An Experimental Study of a Rib-Roughened Rotating U-Bend Flow,” Exp. Therm. Fluid Sci., 19, pp. 151–159.
Hirota,  M., Fujita,  H., and Yokosawa,  H., 1994, “Experimental Study on Convective Heat Transfer for Turbulent Flow in a Square Duct With a Ribbed Rough Wall (Characteristics of Mean Temperature Field),” ASME J. Heat Transfer, 116(2), pp. 332–340.
Kiml, R., Mochizuki, S., and Murata, A., 2000, “Function of Ribs as Turbulators and Secondary Flow Inducers,” 9th International Symposium on Flow Visualization, Paper No. 164, Edinburgh, UK.
Adrian,  R. J., 1991, “Particle Imaging Techniques for Experimental Fluid Mechanics,” Annu. Rev. Fluid Mech., 23, pp. 261–304.
Liu,  Z. C., Landreth,  C. C., Adrian,  R. J., and Hanratty,  T. J., 1991, “High Resolution Measurement of Turbulent Structure in a Channel With Particle Image Velocimetry,” Exp. Fluids, 10(6), pp. 301–312.
Raffel, M., Willert, C., and Kompenhans, J., 1998, “Particle Image Velocimetry: A Practical Guide,” Springer, Berlin.
Son,  S. Y., Kihm,  K. D., and Han,  J.-C., 2002, “PIV Flow Measurements for Heat Transfer Characterization in Two-Pass Square Channels With Smooth and 90 deg Ribbed Walls,” Int. J. Heat Mass Transfer, 45, pp. 4809–4822.
Bonhoff,  B., Parneix,  S., Leusch,  J., Johnson,  B. V., Schabacker,  J., and Bölcs,  A., 1999, “Experimental and Numerical Study of Developed Flow and Heat Transfer in Coolant Channels With 45 deg Ribs,” Exp. Therm. Fluid Sci., 20, pp. 311–319.
Schabacker, J., Bölcs, A., and Johnson, B. V., 1998, “PIV Investigation of the Flow Characteristics in an Internal Coolant Passage With Two Ducts Connected by a Sharp 180 deg Bend,” ASME paper 98-GT-544, Stockholm, Sweden.
Schabacker, J., Bölcs, A., and Johnson, B. V., 1999, “PIV Investigation of the Flow Characteristics in an Internal Coolant Passage With 90 deg Rib Arrangement,” Proc. 3rd European Conference on Turbomachinery, Fluid Dynamics and Thermodynamics, pp. 973–984, London, UK, 2–5 March.
Gao, X., 2002, “Heat Transfer and Fluid Flow Investigations in Ribbed Ducts and Impinging Jets Using Liquid Crystal Thermography and PIV,” Ph.D. thesis, Division of Heat Transfer, Department of Heat and Power Engineering, Lund Institute of Technology, Sweden.
Rokni,  M., Olsson,  C. O., and Sundén,  B., 1998, “Numerical and Experimental Investigation of Turbulent Flow in a Rectangular Duct,” Int. J. Numer. Methods Fluids, 28, pp. 225–242.
Rau,  G., Cakan,  M., Moeller,  D., and Arts,  T., 1998, “The Effect of Periodic Ribs on the Local Aerodynamic and Heat Transfer Performance of a Straight Cooling Channel,” ASME J. Turbomach., 120(2), pp. 368–375.
Liou,  T. M., Wu,  Y. Y., and Chang,  Y., 1993, “LDV Measurements of Periodic Fully Developed Main and Secondary Flows in a Channel With Rib-Disturbed Walls,” ASME J. Fluids Eng., 115(1), pp. 109–114.
Jia, R., 2002, “Numerical Study of Cooling Processes Relevant for Gas Turbine Combustor and Blades,” Licentiate Thesis, Division of Heat Transfer, Lund Institute of Technology, Sweden.
Naimi,  M., and Gessner,  F. B., 1997, “Calculation of Fully Developed Turbulent Flow in Rectangular Ducts With Two Opposite Roughened Walls,” Int. J. Heat Mass Transfer, 18, pp. 471–481.

Figures

Grahic Jump Location
Velocity vectors and component isolines in planes A and B of 90 deg ribs: (a) time-averaged velocity vectors in plane A near wall A (z/c=+0.9); (b) instantaneous velocity vectors in plane A close to the top wall (z/c=+0.9); (c) time-averaged velocity vectors (z/c=+0.9); (d) normalized U velocity component U/Um of (c); (e) time-averaged vectors in symmetry plane in plane B (y/b=0); (f) scale-up of the vortex in plane (e); (g) normalized U velocity component U/Um of (e); (h) normalized W velocity component W/Um of (e)
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Velocity vectors and component isolines in plane A of 60 deg ribs: (a) near wall A (z/c=+0.9); (b) velocity vectors at z/c=0, U subtracted by mean velocity Um at transverse center; (c) normalized velocity component V at three intersection lines; (d) schematic secondary flow; (e) an arbitrary sample of the instantaneous velocity field in the middle part of plane A (z/c=+0.9); (f) time-averaged vector field (z/c=+0.9); (g) normalized U velocity component U/Um of (e); (h) normalized V velocity component V/Um of (e)
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Velocity isolines of U and W components in plane B of 60 deg ribs
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Velocity vectors and component isolines of 45 deg ribs
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Velocity vectors and component isolines of 30 deg ribs
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Sketch of the experimental setup
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Definition of the coordinate system
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Laser sheet locations for PIV measurements

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