Investigation of 3D unsteady flows in a two-stage shrouded axial turbine using stereoscopic PIV and FRAP - Part II: Kinematics of shroud cavity flow

Proceedings of the ASME Turbo Expo

Volumn 6 PART A, Issue , 2006, Pages 905-914

  Yun, Y I ^a   Porreca, L ^b   Kalfas, A I ^b   Song, S J ^a   Abhari, R S ^b  

^a Seoul National University   (South Korea)

^b ETH ZURICH   (Switzerland)

Author keywords

[No Author keywords available]

Indexed keywords

AXIAL VORTICITY; CAVITY FLOW; LEAKAGE FLOW LAYER;

AERODYNAMICS; AXIAL FLOW; INVERSE KINEMATICS; LEAKAGE (FLUID); UNSTEADY FLOW;

TURBINES;

EID: 33750871296     PISSN: None     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1115/GT2006-91020     Document Type: Conference Paper

References (19)

1. Denton, J.D., 1993, "Loss Mechanisms in Turbomachines - the 1993 IGTI scholar lecture", ASME J. Turbomachinery, 115(4), pp. 621-656.
2. Hunter, S.D., and Manwaring, S.R., 2000, "Endwall Cavity Flow Effects on Gaspath Aerodynamics in an Axial Flow Turbine: Part I - Experimental and Numerical Investigation," ASME Paper No. 2001 -GT-651.
3. Wallis, A.M., Denton, J.D., and Demargne, A.A.J., 2001, "The Control of Shroud Leakage Flows to Reduce Aerodynamic Losses in a Low Aspect Ratio, Shrouded Axial Flow Turbine", ASME J. Turbomachinery, 123(2), pp. 334-341.
4. Peters, P., Breisig, V., Giboni, A., Lerner, C., and Pfost, H., 2000, "The Influence of the Clearance of Shrouded Rotor Blades on the Development of the Flowfield and Losses in the Subsequent Stator", ASME Paper No. 2000-GT-478.
5. Giboni, A., Menter, J.R., Peters, P., Wolter, K., Pfost, H., and Breisig, V., 2003, "Interaction of Labyrinth Seal Leakage Flow and Main Flow in an Axial Turbine", ASME Paper No. GT2003-38722.
6. Giboni, A., Wolter, K., Menter, J.R., and Pfost, H., 2004, "Experimental and Numerical Investigation into the Unsteady Interaction of Labyrinth Seal Leakage Flow and Main Flow in a 1.5-Stage Axial Turbine", ASME Paper No. GT2004-53024.
7. Song, B.H., and Song, S.J., 2004, "Lateral Forces from Single Gland Rotor Labyrinth Seals in Turbines", ASME J. Eng. Gas Turbine & Power, 126(3), pp. 626-634.
8. Pfau, A., Treiber, M., Sell, M., and Gyarmathy, G., 2001, "Flow Interaction from the Exit Cavity of an Axial Turbine Blade Row Labyrinth Seal", ASME J. Turbomachinery, 123(2), pp. 342-352.
9. Pfau, A., Schlienger, J., Rusch, D., Kalfas, A.I., and Abhari, R.S., 2005, "Unsteady Flow Interactions within the Inlet Cavity of a Turbine Rotor Tip Labyrinth Seal", ASME J. Turbomachinery, 127(4), pp. 679-688.
10. Pfau, A., Kalfas, A.I., and Abhari, R.S, 2004, "Making Use of Labyrinth Interaction Flow"; ASME Paper No. GT2004-53797.
11. Wolter, K., Peters, P., Giboni, A., Menter, J.R., and Pfost, H., 2005, "Experimental and Numerical Investigation of the Unsteady Leakage Flow Through the Rotor Tip Labyrinth of a 1.5-Stage Axial Turbine", ASME Paper No. GT2005-68156.
12. Porreca, L., Behr, T., Schlienger, J., Kalfas, A.I., Abhari, R.S., Ehrhard, and J., Janke, E., 2005, "Fluid Dynamics and Performance of Partially and Fully Shrouded Axial Turbines", ASME J. Turbomachinery, 127(4), pp. 668-678.
13. Porreca, L., Hollenstein, M., Kalfas, A.I., and Abhari, R.S., 2005, "Turbulence Measurements and Analysis in a Multi-Stage Axial Turbine", 17th Internation Symposium on Airbreathing Engines, September 4-9, 2005, Munich, Germany.
14. Porreca, L., 2006, "Aerothermal Optimization of Partially Shrouded Axial Turbines", Ph. D. Thesis, Swiss Federal Institute of Technology, Zurich, Switzerland.
15. Porreca, L., Yun, Y.I., Kalfas, A.I., Song, S.J., and Abhari, R.S., 2006, "Investigation of 3D Unsteady Flows in a Two-Stage Shrouded Axial Turbine Using Stereoscopic PIV and FRAP - Part I: Interstage Flow Interactions", ASME Paper No. GT2006-90752.
16. Raffel, M., Willert, C.E., and Kompenhans, J., 1998, Particle Image Velocimetry - a Practical Guide, Springer-Verlag, Berlin, Germany.
17. Yun, Y.I., 2006, "Axial Vorticity in the Cavity of a Partially Shrouded Axial Turbine", Ph. D. Thesis, Seoul National University, Seoul, Korea.
18. Lawson, N.J., and Wu, J., 1997, "Three-Dimensional Particle Image Velocimetry: Error Analysis of Stereoscopic Techniques," Meas. Sci. Technol., 8(8), pp. 894-900.
19. Schlienger, J., Pfau, A., Kalfas, A.I., and Abhari, R.S., 2003, "Effects of Labyrinth Seal Variation on Multistage Axial Turbine Flow", ASME Paper No. GT2003-38270.