0
TECHNICAL PAPERS

Influence of Clocking and Vane/Blade Spacing on the Unsteady Surface Pressure Loading for a Modern Stage and One-Half Transonic Turbine

[+] Author and Article Information
C. W. Haldeman, M. L. Krumanaker, M. G. Dunn

Gas Turbine Laboratory, The Ohio State University, Columbus, OH 43235

J. Turbomach 125(4), 743-753 (Dec 01, 2003) (11 pages) doi:10.1115/1.1625398 History: Received December 01, 2002; Revised March 01, 2003; Online December 01, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Huber,  F. W., Johnson,  P. D., Johnson,  O. P., Staubach,  J. B., and Gaddis,  S. W., 1996, “Performance Improvement Through Indexing of Turbine Airfoils: Part I—Experimental Investigation,” ASME J. Turbomach., 118, pp. 630–635.
Griffin,  L. W., and Sharma,  O. P., 1996, “Performance Improvement Through Indexing of Turbine Airfoils: Part 2-Numerical Simulation,” ASME J. Turbomach., 118, pp. 636–642.
Dorney, D. J., and Sharma, O. P., 1996, “A Study of Turbine Performance Increases Through Airfoil Clocking,” AIAA paper no. 96-2816.
Dunn,  M. G., and Haldeman,  C. W., 1995, “Phase-Resolved Surface Pressure and Heat-Transfer Measurements on the Blade of a Two-Stage Turbine,” ASME J. Fluids Eng., 117, pp. 653–658.
Dorney, D. J., and Gundy-Burlet, K., 1995, “Hot-Streak Clocking Effects in a 1-1/2 Stage Turbine,” ASME paper no. 95-GT-202.
Barankiewicz, W. S., and Hathaway, M. D., “Effects of Stator Indexing on Performance in a Low Speed Multistage Axial Compressor,” ASME paper no. 97-GT-496.
Hsu,  S. T., and Wo,  A. M., 1998, “Reduction of Unsteady Blade Loading by Beneficial Use of Vortical and Potential Disturbances in an Axial compressor With Rotor Clocking,” J. Turbomach., 120, pp. 705–713.
Hummel, F., 2001, “Wake-Wake Interactions and its Potential for Clocking in a Transonic High Pressure Turbine,” ASME paper no. 2001-GT-0302.
Reinmoller, U., Stephan, B., Schmidt, S. and R. Niehuis, 2001, “Clocking Effects in a 1.5 Stage Axial turbine-Steady and Unsteady Experimental Investigations Supported by Numerical simulations” ASME paper no. 2001-GT-0304.
Dunn,  M. G., Bennett,  W. A., Delaney,  R. A., and Rao,  K. V., 1992, “Investigation of Unsteady Flow Through a Transonic Turbine Stage: Data/Prediction Comparison for Time-Averaged and Phase-Resolved Pressure Data,” ASME J. Turbomach., 114, pp. 91–99.
Venable, B. L., Delaney, R. A., Busby, J. A., Davis, R. L., Dorney, D. J., Dunn, M. G., Haldeman, C. W., and Abhari, R. S., 1998, “Influence of Vane-Blade Spacing on Transonic Turbine Stage Aerodynamics, Part I: Time-Averaged Data and Analysis,” ASME paper no. 98-GT-481.
Busby, J. A., Davis, R. L., Dorney, D. J., Dunn, M. G., Haldeman, C. W., Abhari, R. S., Venable, B. L., and Delaney, R. A., 1998, “Influence of Vane-Blade Spacing on Transonic Turbine Stage Aerodynamics Part II: Time Resolved Data and Analysis,” ASME paper no. 98-GT-482.
Barter, J. W., Vitt, P. H., and Chen, J. P., 2000, “Interaction Effects in a Transonic Stage,” ASME paper no. 2000-GT-0376.
Denos, R., Arts, T., Paniagua, G., Michelassi, V., and Martelli, F., 2000, “Investigation of the Unsteady Rotor Aerodynamics in a Transonic Turbine Stage,” ASME paper no. 2000-GT-435.
Clark, J. P., Stetson, G. M., Magge, S. S., Ni, R. H., Haldeman, C. W., Jr., and Dunn, M. G., 2000 “The Effect of Airfoil Scaling on the Predicted Unsteady Loading on the Blade of a 1 and 1/2 Stage Transonic Turbine and a Comparison with Experimental Results,” ASME paper no. 2000-GT-0446.
Davis, R. L., Yao, J., Clark, J. P., Stetson, G., Alonso, J. J., Jameson, A., Dunn, M. G., Haldeman, C. W., “Unsteady Interaction Between a Transonic Turbine Stage and Downstream Components,” ASME paper no. GT-2002-30364.
Clark, J. P., Aggarwala, A. S., Velonis, M. A., Gacek, R. E., Magge, S. S., and Price, F. R., “Using CFD to Reduce Resonant Stresses on a Single-Stage, High-Pressure Turbine Blade,” ASME paper no. GT-2002-30320.
Krumanaker, M. L., Haldeman, C. W., and Dunn, M. G., 2003, “Heat Transfer and Aerodynamic Measurements for a Modern Stage and One-Half Transonic Turbine,” ASME paper no. GT2003-38725.
Krumanaker, M. L., 2002, “Aerodynamics and Heat Transfer for a Modern Stage and One-Half Turbine,” OSU Masters thesis, GTL Doc. No. 2002-10-M7.
Dunn, M. G., Moller, J. C., and Steel, R. C., 1989, “Operating Point Verification for a Large Shock Tunnel Test Facility,” Aeropropulsion and Power Laboratory, USAF, Report No. WRDC-TR-2027.

Figures

Grahic Jump Location
Sketch of turbine stage located in OSU GTL shock tunnel
Grahic Jump Location
Axial flow path of turbine stage
Grahic Jump Location
Time-averaged normalized pressures, clocking position 1, for HPT vane, HPT blade, and LPT vane, various spans
Grahic Jump Location
Time-averaged normalized pressures, clock position 1 inner and outer transition ducts
Grahic Jump Location
Time-averaged normalized pressures for inner transition duct, clock position 1, various circumferential positions
Grahic Jump Location
Time-averaged normalized pressures for outer transition duct, clock position 1, various circumferential positions
Grahic Jump Location
Variation in normalized pressure due to clocking position for HPT blade and LPT vane at 50% span
Grahic Jump Location
Variation in normalized pressure due to clocking position for the inner transition duct at various circumferential positions
Grahic Jump Location
Variation in normalized pressure due to clocking position for the outer transition duct at various circumferential positions
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, HPT vane at 10% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, HPT blade at 10% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, HPT blade at 50% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, HPT blade at 90% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, LPT vane at 10% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, LPT vane at 50% span
Grahic Jump Location
Normalized pressure fundamental and first harmonic peaks, LPT vane at 90% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to clocking position for LPT vane at 10% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to clocking position for LPT vane at 50% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to clocking position for LPT vane at 90% span
Grahic Jump Location
Influence of reduced spacing on time-averaged normalized pressure as a function of clock position for the HPT vane
Grahic Jump Location
Influence of reduced spacing on time-averaged normalized pressure as a function of clock position for the HPT blade
Grahic Jump Location
Influence of reduced spacing on time-averaged normalized pressure as a function of clock position for the LPT vane
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for HPT vane 10% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for HPT blade 10% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for HPT blade 50% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for HPT blade 90% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for LPT vane 10% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for LPT vane 50% span
Grahic Jump Location
Variation in normalized pressure fundamental and first harmonic peaks due to reduced HPT vane/blade spacing for LPT vane 90% span
Grahic Jump Location
Integral effects of clocking on LPV time-averaged pressure data

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