0
TECHNICAL PAPERS

Thermal Performance of Angled, V-Shaped, and W-Shaped Rib Turbulators in Rotating Rectangular Cooling Channels (AR=4:1)

[+] Author and Article Information
Lesley M. Wright, Wen-Lung Fu, Je-Chin Han

Department of Mechanical Engineering, Texas A&M University, College Station, TX 77843-3123

J. Turbomach 126(4), 604-614 (Dec 29, 2004) (11 pages) doi:10.1115/1.1791286 History: Received October 01, 2003; Revised March 01, 2004; Online December 29, 2004
Copyright © 2004 by ASME
Your Session has timed out. Please sign back in to continue.

References

Han, J. C., Dutta, S., and Ekkad, S. V., 2000, Gas Turbine Heat Transfer and Cooling Technology, Taylor and Francis, New York.
Han,  J. C., 1988, “Heat Transfer and Friction Characteristics in Rectangular Channels With Rib Turbulators,” ASME J. Heat Transfer, , 110, pp. 321–328.
Han,  J. C., and Park,  J. S., 1988, “Developing Heat Transfer in Rectangular Channels With Rib Turbulators,” Int. J. Heat Mass Transfer, 31, No. 1, pp. 183–195.
Park,  J. S., Han,  J. C., Huang,  Y., Ou,  S., and Boyle,  R. J., 1992, “Heat Transfer Performance Comparisons of Five Different Rectangular Channels With Parallel Angled Ribs,” Int. J. Heat Mass Transfer, 35, No. 11, pp. 2891–2903.
Han,  J. C., Zhang,  Y. M., and Lee,  C. P., 1991, “Augmented Heat Transfer in Square Channels With Parallel, Crossed, and V-Shaped Angled Ribs,” ASME J. Heat Transfer, 113, pp. 590–596.
Lau,  S. C., Kukreja,  R. T., and McMillin,  R. D., 1991, “Effects of V-Shaped Rib Arrays on Turbulent Heat Transfer and Friction of Fully Developed Flow in a Square Channel,” Int. J. Heat Mass Transfer, 34, No. 7, pp. 1605–1616.
Han,  J. C., and Zhang,  Y. M., 1992, “High Performance Heat Transfer Ducts With Parallel Broken and V-Shaped Broken Ribs,” Int. J. Heat Mass Transfer, 35, No. 2, pp. 513–523.
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, pp. 20–28.
Ekkad,  S. V., and Han,  J. C., 1997, “Detailed Heat Transfer Distribution in Two-Pass Square Channels With Rib Turbulators,” Int. J. Heat Mass Transfer, 40, No. 11, pp. 2525–2537.
Cho,  H. H., Wu,  S. J., and Kwon,  H. J., 2000, “Local Heat/Mass Transfer Measurements in a Rectangular Duct With Discrete Ribs,” ASME J. Turbomach., 122, pp. 579–586.
Gao,  X., and Suden,  B., 2001, “Heat Transfer and Pressure Drop Measurements in Rib-Roughened Rectangular Ducts,” Exp. Therm. Fluid Sci., 24, pp. 25–34.
Rhee, D. H., Lee, D. H., Cho, H. H., and Moon, H. K., 2003, “Effects of Duct Aspect Ratios on Heat/Mass Transfer With Discrete V-Shaped Ribs,” ASME Paper no. GT2003-38622.
Johnson,  B. V., Wagner,  J. H., Steuber,  G. D., and Yeh,  F. C., 1994, “Heat Transfer in Rotating Serpentine Passages With Trips Skewed to the Flow,” ASME J. Turbomach., 116, pp. 113–123.
Johnson,  B. V., Wagner,  J. H., Steuber,  G. D., and Yeh,  F. C., 1994, “Heat Transfer in Rotating Serpentine Passages With Selected Model Orientations for Smooth or Skewed Trip Walls,” ASME J. Turbomach., 116, pp. 738–744.
Parsons,  J. A., Han,  J. C., and Zhang,  Y. M., 1994, “Wall Heating Effect on Local Heat Transfer in a Rotating Two-Pass Square Channel With 90° Rib Turbulators,” Int. J. Heat Mass Transfer, 37, No. 9, pp. 1141–1420.
Parsons,  J. A., Han,  J. C., and Zhang,  Y. M., 1995, “Effects of Model Orientation and Wall Heating Condition on Local Heat Transfer in a Rotating Two-Pass Square Channel With Rib Turbulators,” Int. J. Heat Mass Transfer, 38, No. 7, pp. 1151–1159.
Dutta,  S., and Han,  J. C., 1996, “Local Heat Transfer in Rotating Smooth and Ribbed Two-Pass Square Channels With Three Channel Orientations,” ASME J. Heat Transfer, 118, pp. 578–584.
Park,  C. W., Lau,  S. C., and Kukreja,  R. T., 1998, “Heat/Mass Transfer in a Rotating Two-Pass Square Channel With Transverse Ribs,” AIAA J. Thermophys. Heat Transfer,12, No. 1. pp. 80–86.
Park,  C. W., Yoon,  C., and Lau,  S. C., 2000, “Heat (Mass) Transfer in a Diagonally Oriented Rotating Two-Pass Channels With Rib-Roughened Walls,” ASME J. Heat Transfer, 122, pp. 208–211.
Taslim,  M. E., Rahman,  A., and Spring,  S. D., 1991a, “An Experimental Investigation of Heat Transfer Coefficients in a Span-Wise Rotating Channel With Two Opposite Rib-Roughened Walls,” ASME J. Turbomach., 113, pp. 75–82.
Taslim,  M. E., Bondi,  L. A., and Kercher,  D. M., 1991b, “An Experimental Investigation of Heat Transfer in an Orthogonally Rotating Channel Roughened With 45° Criss-Cross Ribs on Two Opposite Walls,” ASME J. Turbomach., 113, pp. 346–353.
Kiml,  R., Mochizuki,  S., and Murata,  A., 2001, “Effects of Rib Arrangements on Heat Transfer and Flow Behavior in a Rectangular Rib-Roughened Passage: Application to Cooling of Gas Turbine Blade Trailing Edge,” ASME J. Heat Transfer, 123, pp. 675–681.
Kiml,  R., Mochizuki,  S., and Murata,  A., 2001, “Heat Transfer Enhancement Mechanism in a Rectangular Passage With Ṽ and Λ̃ Shaped Ribs,” J. Flow Visualization Image Process.,8, pp. 51–68.
Azad,  G. S., Uddin,  M. J., Han,  J. C., Moon,  H. K., and Glezer,  B., 2002, “Heat Transfer in a Two-Pass Rectangular Rotating Channel With 45-deg Angled Rib Turbulators,” ASME J. Turbomach., 124, pp. 251–259.
Al-Hadhrami,  L., and Han,  J. C., 2003, “Effect of Rotation in Two-Pass Square Channels With Five Different Orientations of 45° Angled Rib Turbulator,” Int. J. Heat Mass Transfer, 46, pp. 653–669.
Al-Hadhrami,  L., Griffith,  T. S., and Han,  J. C., 2003, “Heat Transfer in Two-Pass Rotating Rectangular Channels (AR=2) With Five Different Orientations of 45° V-Shaped Rib Turbulators,” ASME J. Heat Transfer, 125, pp. 232–242.
Griffith,  T. S., Al-Hadhrami,  L., and Han,  J. C., 2002, “Heat Transfer in Rotating Rectangular Channels (AR=4) With Angled Ribs,” ASME J. Heat Transfer, 124, pp. 617–625.
Lee, E., Wright, L. M., and Han, J. C., 2003, “Heat Transfer in Rotating Rectangular Channels (AR=4:1) With V-Shaped and Angled Rib Turbulators With and Without Gaps,” ASME Paper no. GT2003-38900.
Cho, H. H., Kim, Y. Y., Kim, K. M., and Rhee, D. H., 2003, “Effects of Rib Arrangements and Rotation Speed on Heat Transfer in a Two-Pass Duct,” ASME Paper no. GT2003-38609.
Agarwal, P., Acharya, S., and Nikitopoulos, D. E., 2003, “Heat/Mass Transfer in 1:4 Rectangular Passages With Rotation,” ASME Paper no. GT2003-38615.
Wright, L. M., Lee, E., and Han, J. C., 2003, “Influence of Entrance Geometry on Heat Transfer in Rotating Rectangular Cooling Channels (AR=4:1) With Angled Ribs,” ASME Paper no. IMECE2003-42572.
Rohsenow, W. M., and Choi, H., 1961, Heat, Mass, and Momentum Transfer, Prentice–Hall, Englewood Cliffs, NJ, pp. 192–193.
Kline,  S. J., and McClintock,  F. A., 1953, “Describing Uncertainties in Single-Sample Experiments,” Mech. Eng. (Am. Soc. Mech. Eng.), 75, pp. 3–8.
Kays, W. M., and Crawford, M. E., 1993, Convective Heat and Mass Transfer, 3rd ed., McGraw–Hill, New York, pp. 249.
Han,  J. C., Park,  J. S., and Lei,  C. K., 1985, “Heat Transfer Enhancement in Channels With Turbulence Promoters,” ASME J. Eng. Gas Turbines Power, 107, pp. 628–635.
Al-Qahtani,  M., Jang,  Y. J., Chen,  H. C., and Han,  J. C., 2002, “Prediction of Flow and Heat Transfer in Rotating Two-Pass Rectangular Channels With 45- deg Rib Turbulators,” ASME J. Turbomach., 124, pp. 242–250.
Su, G., Teng, S., Chen, H. C., and Han, J. C., 2003, “Computation of Flow and Heat Transfer in Rotating Rectangular Channels (AR=4) With V-Shaped Ribs by a Reynolds Stress Turbulence Model,” ASME Paper no. GT2003-38348.

Figures

Grahic Jump Location
Orientation of a narrow Rectangular channel in a gas turbine blade
Grahic Jump Location
Schematic of the heated portion of the 4:1 test section
Grahic Jump Location
Top view of the six rib configurations
Grahic Jump Location
Rib induced secondary flow
Grahic Jump Location
Rotation induced secondary flow
Grahic Jump Location
Nusselt number ratios in nonrotating channels
Grahic Jump Location
Nusselt number ratios in rotating channels
Grahic Jump Location
Channel averaged Nusselt number ratio in nonrotating channels
Grahic Jump Location
Channel averaged Nusselt number ratio in rotating channels
Grahic Jump Location
Friction factor ratio in nonrotating channels
Grahic Jump Location
Friction factor ratio in rotating channels
Grahic Jump Location
Nusselt number ratio comparison with previous studies
Grahic Jump Location
Friction factor ratio comparison with previous studies
Grahic Jump Location
Thermal performance in nonrotating channels
Grahic Jump Location
Thermal performance in rotating channels

Tables

Errata

Discussions

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related Journal Articles
Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In