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TECHNICAL PAPERS

Unsteady and Calming Effects Investigation on a Very High-Lift LP Turbine Blade—Part I: Experimental Analysis

[+] Author and Article Information
Thomas Coton, Tony Arts

Turbomachinery and Propulsion Department, von Karman Institute for Fluids Dynamics, 1640 Rhode-Saint-Genèse, Belgium

Michaël Lefebvre, Nicolas Liamis

Snecma Moteurs—Turbine Aero-Cooling Department, Center de Villaroche, 77550 Moissy Cramayel, France

J. Turbomach 125(2), 281-290 (Apr 23, 2003) (10 pages) doi:10.1115/1.1556013 History: Received December 21, 2001; Online April 23, 2003
Copyright © 2003 by ASME
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References

Zweifel,  O., 1945, “The Spacing of Turbo-Machine Blading, Especially with Large Angular Deflection,” Brown Boveri Rev., 32(12), pp. 436–444.
Emmons,  H. W., 1951, “The Laminar-Turbulent Transition in a Boundary Layer—Part I,” J. Aerosp. Sci., 18, pp. 490–498.
Schubauer, G. B., and Klebanoff, P. S., 1955, “Contributions on the Mechanics of Boundary Layer Transition,” NACA TN 3489; and 1289, 1956 NACA Rep.
Curtis,  E. M., Hodson,  H. P., Banieghbal,  M. R., Denton,  J. D., Howell,  R. J., and Harvey,  N. W., 1997, “Development of Blade Profiles for Low-Pressure Turbine Applications,” ASME J. Turbomach., 119, pp. 531–538.
Howell,  R. J., Ramesh,  O. N., Hodson,  H. P., Harvey,  N. W., and Schulte,  V., 2001, “High Lift and Aft-Loaded Profiles for Low-Pressure Turbines,” ASME J. Turbomach., 123, pp. 181–188.
Brunner, S., Fottner, L., and Schiffer, H.-P., 2000, “Comparison of Two Highly Loaded Low Pressure Turbine Cascades under the Influence of Wake-Induced Transition,” ASME Paper 2000-GT-268.
Solomon, W. J., 2000, “Effects of Turbulence and Solidity on the Boundary Layer Development in a Low Pressure Turbine,” ASME Paper 2000-GT-273.
Mayle, R. E., 1991, “Fundamental Aspects of Boundary Layers and Transition in Turbomachines,” VKI Lecture Series on “Boundary Layers in Turbomachines,” LS 1991-06.
Gostelow,  J. P., Melwani,  N., and Walker,  G. J., 1996, “Effects of Streamwise Pressure Gradient on Turbulent Spot Development,” ASME J. Turbomach., 118, pp. 737–743.
Gostelow,  J. P., Walker,  G. J., Solomon,  W. J., Hong,  G., and Melwani,  N., 1997, “Investigation of the Calmed Region Behind a Turbulent Spot,” ASME J. Turbomach., 119, pp. 802–809.
Halstead,  D. E., Wisler,  D. C., Okiishi,  T. H., Walker,  G. J., Hodson,  H. P., and Shin,  H., 1997, “Boundary Layer Development in Axial Compressors and Turbines: Part 1—Composite Picture; Part 2—Compressors; Part 3—LP Turbines; Part 4—Computations and Analyses,” ASME J. Turbomach., 119, pp. 114–127, 426–444, 225–237, 128–139.
Schulte,  V., and Hodson,  H. P., 1998, “Prediction of the Becalmed Region for LP Turbine Profile Design,” ASME J. Turbomach., 120, pp. 839–846.
Schultz, M. P., and Volino, R. J., 2001, “Effects of Concave Curvature on Boundary Layer Transition under High Free-Stream Turbulence Conditions,” ASME Paper 2001-GT-0191.
LaGraff,  J. E., Ashworth,  D. A., and Schultz,  D. L., 1989, “Measurement and Modeling of the Gas Turbine Blade Transition Process as Disturbed by Wakes,” ASME J. Turbomach., 111, pp. 315–322.
Ashworth,  D. A., LaGraff,  J. E., and Schultz,  D. L., 1989, “Unsteady Interaction Effects on a Transitinal Turbine Blade Boundary Layer,” ASME J. Turbomach., 111, pp. 162–168.
Arts,  T., and Lambert de Rouvroit,  M., January 1992, “Aero-Thermal Performance of a 2-D Highly Loaded Transonic Turbine Nozzle Guide Vane: A Test Case for Inviscid and Viscous Flow computations,” ASME J. Turbomach., 114, pp. 147–154.
Roux, J.-M., Lefebvre, M., and Liamis, N., 2002, “Unsteady and Calming Effects Investigation on a Very High Lift LP Turbine Blade—Part II: Numerical Analysis,” ASME Paper GT-2002-30228.
Schultz, D. L., and Jones, T. V., 1973, “Heat Transfer Measurements in Short-Duration Facility,” AGARDograph No. 165.
Bons,  J. P., Sondergaard,  R., and Rivir,  R. B., 2001, “Turbine Separation Control Using Pulsed Vortex Generator Jets,” ASME J. Turbomach., 123, pp. 198–206.
Coton, T., Arts, T., and Lefebvre, M., 2001, “Effects of Reynolds and Mach Number on the Profile Losses of a Conventional Low Pressure Turbine Rotor Cascade with Increasing Pitch to Chord Ratio,” 4th European Conference on Turbomachinery, ATI-CST-011/01, pp. 139–150.
Brear, M. J., Hodson, H. P., Gonzalez, P., and Harvey, N. W., 2001, “Pressure Surface Separations in Low Pressure Turbines: Part 2—Interactions With the Secondary Flow,” ASME Paper 2001-GT-0438.
D’Ovidio, A., Harkins, J. A., and Gostelow, J. P., 2001, “Turbulent Spots in Strong Adverse Pressure Gradients. Part 2—Spot Propagation and Spreading Rates,” ASME Paper 2001-GT-0406.
Wu,  X., Jacobs,  R. G., Hunt,  J. C. R., and Durbin,  P. A., 1999, “Simulation of Boundary Layer Transition Induced by Periodically Passing Wakes,” J. Fluid Mech., 398, pp. 109–153.
Zhong,  S., Kittichaikan,  C., Hodson,  H. P., and Ireland,  P. T., 2000, “Visualization of Turbulent Spots under the Influence of Adverse Pressure Gradients,” Exp. Fluids, 28(5), pp. 385–293.
Schobeiri, M. T., Chakka, P., and Pappu, K., 1998, “Unsteady Wake Effects on Boundary Layer Transition and Heat Transfer Characteristics of a Turbine Blade,” ASME Paper 98-GT-291.
Hedley,  T. B., and Keffer,  J. F., 1974, “Turbulent/Non-Turbulent Decisions in an Intermittent Flow,” J. Fluid Mech., 64, pp. 625–644.
Funazaki, k., Kitazawa, T., Koizumi, K., and Tanuma, T., 1997, “Studies on Wake-Disturbed Boundary Layer under the Influences of Favorable Pressure Gradient and Free-Stream Turbulence—Part I—Experimental Setup and Discussion on Transition Model,” ASME 1997-GT-451.

Figures

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Sketch of the wake generator
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Distribution of the acceleration around the blade (based on fully turbulent NS computation)
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Profile loss evolution with wake frequency
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Loss coefficient maps (Reis,2=190,000)
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Heat transfer coefficient distributions (gb/c=1.235)
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Simultaneous raw heat transfer coefficient traces at Reis,2=190,000 (suction side)
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Space-time diagrams of hadim (a), STD (b), and HTFI (c) at Reis,2=190,000, Sr=0
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Phase-locked-averaged hadim:Reis,2=190,000,Sr=0.29 (a); Reis,2=650,000,Sr=0, (b); Reis,2=650,000,Sr=0.36 (c)
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Phase-locked-averaged hadim (a), STD (b), and HTFI (c) at Reis,2=350,000,Sr=0.29
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Phase-locked-averaged Δ(Reis,2=350,000,Sr=0.29)
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Time-averaged intermittency factor evolution
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Space-time evolutions of γ and Δ′ (Reis,2=190,000,Sr=0.29)
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Distribution of the intermittency factor based on Wu’s formulation (Reis,2=190,000,Sr=0.29)

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