The effect of ribs and tip wall distance on heat transfer for a varying aspect ratio two-pass ribbed internal cooling channel

Proceedings of the ASME Turbo Expo

Volumn 4, Issue PART B, 2008, Pages 1051-1061

  Jenkins, Sean C ^a   Zehnder, Frank ^a   Shevchuk, Igor V ^a   Von Wolfersdorf, Jens ^a   Weigand, Bernhard ^a   Schnieder, Martin ^b  

^a UNIVERSITY OF STUTTGART   (Germany)

^b ALSTOM   (France)

Author keywords

[No Author keywords available]

Indexed keywords

BEND EFFECT; BLADE TIP; COOLING CHANNELS; GAS TURBINE BLADES; HEAT TRANSFER CHARACTERISTICS; HEAT TRANSFER MEASUREMENTS; INTERNAL COOLING; PRESSURE LOSS; SPATIALLY RESOLVED; THERMOCHROMIC LIQUID CRYSTALS; TRAILING EDGES; VARYING THICKNESS; WALL DISTANCES;

ASPECT RATIO; COMPUTATIONAL FLUID DYNAMICS; COOLING; GAS TURBINES; LIQUID CRYSTALS; PRESSURE DROP; SERPENTINE; SILICATE MINERALS;

HEAT EXCHANGERS;

EID: 69949186339     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/GT2008-51207     Document Type: Conference Paper

References (38)

1. Wright, L.M., Fu, W., and Han, J.C., 2004, "Thermal Performance of Angled, V-Shaped, and W-Shaped Rib Turbulators in Rotating Rectangular Channels (AR = 4:1)", ASME Paper GT2004-54073.
2. Liou, T. M, Chen, M.-Y, and Wang, Y.-M., 2003, "Heat Transfer, Fluid Flow, and Pressure Measurements Inside a Rotating Two-Pass Duct with Detached 90-Deg Ribs", J. Turbo, vol. 125. pp. 565-574.
3. Fu, W., Wright, L.M., and Han, J.C., 2005, "Buoyancy Effects on Heat Transfer in Five Different Aspect-Ratio Rectangular Channels with Smooth Walls and 45-Degree Ribbed Walls." ASME Paper GT2005-68493.
4. Acharya. S., Agarwal. P., and Nikitopoulos, D.E. 2004, "Heat/Mass Transfer in a 4:1 AR Smooth and Ribbed Coolant Passage with Rotation in 90-Degree and 45-Degree Orientations." ASME Paper GT2004-53928.
5. Zhou, F., Lagrone, J., and Acharya, S., 2004, "internal Cooling in 4:1 AR Passages at High Rotation Numbers", ASME Paper GT2004-53501.
6. Liou, T. M. and Dai. G. Y. 2004, "Pressure and Flow Characteristics in a Rotating Two-Pass Square Duct with 45-Deg Angled Ribs", J. Turbo, vol. 126, pp. 212-219.
7. Sewall, E.A. and Tafti, D.K., 2005, "Large Eddy Simulation of Flow and Heat Transfer in the Developing Flow Region of a Rotating Gas Turbine Blade Internal Cooling Duct with Coriolis and Buoyancy Forces", ASME Paper GT2005-68519.
8. Han, J.C., Ou, S., Park. J.S., and Lei, C.K., 1989, "Augmented Heat Transfer in Rectangular Channels of Narrow Aspect Ratios with Rib Turbulators", Int. J. Heat Mass Transf, vol. 32. no. 9. pp. 1619-1630.
9. Ekkad, S.V and Han, J.C., 1997, "Detailed heat transfer distributions in two-pass square channels with rib turbulators", Int. J. Heat Mass Transf, vol. 40, pp. 2525-2537.
10. Ekkad, S.V., Huang, Y, and Han, J.C., 1998, "Detailed heat transfer distributions in two-pass square channels with rib turbulators and bleed holes", Int. J. Heat Mass Transf, vol. 41, pp. 3781-3791.
11. Cho, H.H., Kim, Y.Y., Kim, K.M., Rhee, D.H., 2003, "Effects of Rib Arrangements and Rotation Speed on Heat Transfer in a Two-Pass Duct", ASME Paper GT-2003-38609.
12. Cho, H.H., Lee, S.Y., Won. J.H., Rhee, D.H., 2005. "Heat/Mass transfer in a two-pass rotating rectangular duct with and without 70°-angled ribs", Heat and Mass Transfer, vol. 40, pp. 467-475.
13. Han, J.C., Dutta, S. & Ekkad, S.V., Gas Turbine Heat Transfer and Cooling Technology, Taylor & Francis Publishers, 2001.
14. Ekkad S.V., Kontrovitz D., Nasir, H., Pamula, G., and Acharya, S., 2001, "Effect of Rib Turbulators in the First Pass on Heat Transfer Distributions in a Two-Pass Channel Connected by Two Rows of Holes", ASME Paper 2001-GT-0184.
15. nd Leg of an Internally Ribbed Two Pass Cooling Channel", ASME Paper GT2006-90802
16. Mochizuki, S., Murata, A., and Fukunaga, M., 1997, "Effects of Rib Arrangements on Pressure Drop and Heat Transfer in a Rib-Roughened Channel with a Sharp 180 deg Turn", J. Turbo., vol. 119, July 1997, pp. 610-616.
17. Metzger, D.E., Plevich, C.W., and Fan, C.S., 1984, "Pressure Loss Through Sharp 180 Deg Turns in Smooth Rectangular Channels", ASME J. of Eng. Power 106, 677-681F
18. Fan, C.S. and Metzger, D.E., 1987, "Effect of channel aspect ratio on heat transfer in rectangular passage sharp 180-deg turns", ASME Paper 87-GT-113.
19. Metzger, D., Sahm, M., 1986, "Heat transfer around sharp 180-deg turns in smooth rectangular channels", ASME J. of Heat Transfer, 108 ,pp. 500-506.
20. Metzger, D.E., Fan, C.S., and Plevich, C.W., 1988, "Effects of Transverse Rib Roughness on Heat Transfer and Pressure Losses in Rectangular Ducts With Sharp 180 Degree Turns", AIAA-88-0166
21. Chyu, M.K. and Natarajan, V., 1995, "Surface Heat Transfer From a Three-Pass Blade Cooling Passage Simulator", ASME J. Turbo, vol. 117, 650-656.
22. Iacovides, H., Kounadis, D., and Launder, B.E., 2006, "Experimental Study of the Thermal Development in a Rotating Square-Ended U-Bend", ASME Paper GT2006-90846.
23. Lucci, J.M., Amano, R.S., and Gunrur, K., 2007, "Turbulent Flow and Heat Transfer in Variable Geometry U-Bend Blade Cooling Passage", ASME Paper GT2007-27120.
24. Hirota, M., Fujita, H., Syuhada, A., Araki, S., Yoshida, T., Tanaka, T., 1999. "Heat/mass transfer characteristics in two-pass smooth channels with a sharp 180-deg turn", Int. J. of Heat and Mass Transfer, 42 pp. 3757-3770.
25. Pape, D., Jeanmart, H, von Wolfersdorf, J., and Weigand, B., 2004, "Influence of the 180° bend geometry on the pressure loss and heat transfer in a high aspect ratio rectangular smooth channel", ASME-GT2004-53753.
26. Graham, A., Sewall, E., and Thole, K.A., 2004, "Flowfield Measurements in a Ribbed Channel Relevant to Internal Turbine Blade Cooling", ASME Paper GT2004-53361.
27. Han, J.C., Park, J.S., 1988, "Developing Heat Transfer in Rectangular Channels with Rib Turbulators", Int. J. Heat Mass Transf., 31, 183-195.
28. Han, J.C., 1984, "Heat Transfer and Friction in Channels with Two Opposite Rib-Roughened Walls", J. Heat Transfer, 106, 851-861.
29. Wang, Z., Gillespie, D., and Ireland, P., 1996, "Advances in Heat Transfer Measurements Using Liquid Crystals", Proc. Turbulent Heat Transfer Conf., San Diego, Engineering Foundation, New York.
30. Ireland, P., Neely, A., Gillespie, D., and Robertson, A., 1999, "Turbulent Heat Transfer Measurements Using Liquid Crystals", Int. J. Heat Fluid Flow, 20, 355-367.
31. th Hd., Wiley, New York.
32. Metzger, D.E. and Larson. D.E., 1986, "Use of Melting Point Surface Coatings for Local Convection Fleat Transfer Measurements in Rectangular Channel Flows with 90-deg Turns", J. Heat Transfer, 108, 48-54.
33. Poser, R., von Wolfersdorf, J., Lutum. E., "Advanced Evaluation of Transient Meat Transfer Experiments Using Thermochromic Liquid Crystals." Proc. IMechE Vol. 221 Part A: J. Power and Energy, 2007.
34. Poser, R., von Wolfersdorf, J., Semmler. K., "Transient Heat Transfer Experiments in Complex Passages", ASME Heat Transfer Conference 2005. San Francisco, HT 2005-72260.
35. Jenkins, S., Shevchuk, I.V., von Wolfersdorf, J., Weigand, B., "Transient Thermal Field Measurements in a High Aspect Ratio Channel Related to Transient Thermochromic Liquid Crystal Experiments." ASME GT2007-27812. accepted for ASME J. of Turbo.
36. von Wolfersdorf, J., Hoecker, R., and Hirsch, C, 1998, "A Data Reduction Procedure for Transient Heat Transfer Measurements in Long Internal Cooling Channels", J. of Heat Transfer, vol. 120, May 1998, pp. 314-321.
37. th ed, McGraw-Hill, ISBN 0.07.246876-9.
38. Shevchuk, I.V., Shevchuk, I.V., Jenkins, S.C., Weigand, B., von Wolfersdorf, J., Neumann, S.O., and Schnieder, M. "Validation and Analysis of Numerical Results for a Varying Aspect Ratio Two-Pass Internal Cooling Channel", ASME Paper GT2008-5 1219.