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TECHNICAL PAPERS

Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 2—Detailed Measurements

[+] Author and Article Information
D. E. Nikitopoulos, V. Eliades, S. Acharya

Mechanical Engineering Department, Louisiana State University, Baton Rouge, LA 70803

J. Turbomach 123(1), 107-114 (Feb 01, 2000) (8 pages) doi:10.1115/1.1331538 History: Received February 01, 2000
Copyright © 2001 by ASME
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References

Sparrow,  E., and Tao,  W., 1984, “Symmetric Vs. Asymmetric Periodic Disturbances at the Walls of a Heated Flow Passage,” Int. J. Heat Mass Transf., 27, 2133–2144.
Chen, Y., Acharya., S., Hibbs., R., and Nikitopoulos, D. E., 1996, “Heat/Mass Transfer in an Internally Ribbed Turbine-Blade Coolant Channel With Vortex Generators,” ASME Paper No. 96-WA/HT-10.
Chen, Y., Nikitopoulos, D. E., Hibbs, R., Acharya, S., and Myrum, T., 1996, “Detailed Mass Transfer Distribution in a Ribbed Coolant Passage,” ASME Paper No. 96-WA/HT-11.
Han,  J., and Park,  J., 1988, “Developing Heat Transfer in Rectangular Channels With Rib Turbulators,” Int. J. Heat Mass Transf., 31, No. 1, pp. 183–195.
Park,  J., Han,  J., Huang,  Y., Ou,  S., and Boyle,  R., 1992, “Heat Transfer Performance Comparisons of Five Different Rectangular Channels With Parallel Angles Ribs,” Int. J. Heat Mass Transf., 35, No. 11, pp. 2891–2903.
Han,  J., and Zhang,  P., 1991, “Effect of Rib-Angle Orientation on Local Mass Transfer Distribution in a Three-Pass Rib-Roughened Channel,” ASME J. Turbomach., 113, pp. 123–130.
Hong,  Y., and Hsieh,  S., 1993, “Heat Transfer and Friction Factor Measurements in Ducts With Staggered and In-Line Ribs,” ASME J. Heat Transfer, 115, pp. 58–65.
Kukreja,  R., Lau,  S., and McMillin,  R., 1992, “Local Heat/Mass Transfer Distribution in a Square Channel With Full and V-Shaped Ribs,” Int. J. Heat Mass Transf., 36, No. 8, pp. 2013–2020.
Zhang,  Y., Gu,  W., and Han,  J., 1994, “Heat Transfer and Friction in Rectangular Channels With Ribbed or Ribbed-Grooved Walls,” ASME J. Heat Transfer, 116, pp. 58–65.
Boyle, R., 1984, “Heat Transfer in Serpentine Passages With Turbulence Promoters,” NASA Tech. Memorandum 83614.
Han,  J., Chandra,  P., and Lau,  S., 1988, “Local Heat/Mass Transfer Distributions Around Sharp 180 deg Turns in Two-Pass Smooth and Rib-Roughened Channels,” ASME J. Heat Transfer, 110, pp. 91–98.
Wagner,  J., Johnson,  B., Graziani,  R., and Yeh,  F., 1992, “Heat Transfer in Rotating Serpentine Passages With Trips Normal to the Flow,” ASME J. Turbomach., 114, pp. 847–857.
Parsons,  J., Han,  J., and Zhang,  Y., 1995, “Effect 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 Transf., 38, No. 7, pp. 1151–1159.
Johnson, B., Wagner, J., Steuber, G., and Yeh, F., 1993, “Heat Transfer in Rotating Serpentine Passages With Selected Model Orientation for Smooth or Skewed Trip Walls,” NASA Tech. Memorandum 106126.
Taslim,  M., Rahman,  A., and Spring,  S., 1991, “An Experimental Investigation of Heat Transfer Coefficients in a Spanwise Rotating Channel With Two Opposite Rib-Roughened Walls,” ASME J. Turbomach., 113, pp. 75–82.
Myrum,  T., Acharya,  S., Inamdar,  S., and Mehrotra,  A., 1992, “Vortex Generator Induced Heat Transfer Augmentation Past a Rib in a Heated Duct Air Flow,” ASME J. Heat Transfer, 114, pp. 280–284.
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Acharya,  S., Eliades,  V., and Nikitopoulos,  D. E., 2001, “Heat Transfer Enhancements in Rotating Two-Pass Coolant Channels With Profiled Ribs: Part 1–Average Results,” ASME J. Turbomach., 123, this issue, pp. 97–106.
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Figures

Grahic Jump Location
Schematic of flow features around a two-dimensional rib
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Secondary flow induced by Coriolis forces in rotating channels
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Secondary flows induced by duct geometry
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Schematic of the test section
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Fully developed cell averages of the inlet duct (a) and the outlet duct (b) at Re=30,000 and Ro=0.3
Grahic Jump Location
Detaield Sherwood number ratio distributions Sh/Sho in selected developing and fully developed regions in a square duct with pyramid and valley shaped vortex generators at Re=30,000, Ro=0.0, P/e=7.0 (leading wall: valley, trailing wall: pyramid)
Grahic Jump Location
Detailed Sherwood number ratio distributions Sh/Sho in selected developing and fully developed regions in a square duct with pyramid and valley shaped turbulators at Re=30,000, Ro=0.3, P/e=7.0 (leading wall: valley, trailing wall: pyramid)
Grahic Jump Location
Detailed Sherwood number ratio distributions Sh/Sho in selected developing and fully developed regions in a square duct with saw-tooth shaped vortex generators at Re=30,000, Ro=0, P/e=7.0 (1-pyramid-2-valleys)
Grahic Jump Location
Detailed Sherwood number ratio distributions Sh/Sho in selected developing and fully developed regions in a square duct with saw-tooth shaped vortex generators at Re=30,000, Ro=0.3, P/e=7.0 (1-pyramid-2-valleys)

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