0
TECHNICAL PAPERS

Numerical Simulation of Tip Leakage Flows in Axial Flow Turbines, With Emphasis on Flow Physics: Part I—Effect of Tip Clearance Height

[+] Author and Article Information
J. Tallman, B. Lakshminarayana

Center for Gas Turbine and Power, Pennsylvania State University, 153-J Hammond Bldg., University Park, PA 16802

J. Turbomach 123(2), 314-323 (Feb 01, 2000) (10 pages) doi:10.1115/1.1368881 History: Received February 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Bindon, J. P., 1991, private communication.
Bindon,  J. P., and Morphis,  G., 1992, “The Development of Axial Turbine Leakage Loss for Two Profiled Tip Geometries Using Linear Cascade Data,” ASME J. Turbomach., 114, No. 1, Jan., pp. 198–203.
Sjolander, S. A., 1997, “Secondary and Tip-Clearance Flows in Axial Turbines: Physics of Tip-Clearance Flows—I,” von Karman Institute for Fluid Dynamics, Lecture Series 1997–01.
Lakshminarayana, B., 1996, Fluid Dynamics and Heat Transfer of Turbomachinery, John Wiley & Sons, Inc.
Wantanabe, T., Nozaki, O., Kikuchi, K., and Tamura, A., 1991, “Numerical Simulation of the Flow Through Cascades With Tip Clearance,” ASME FED-120, “Numerical Simulations in Turbomachinery.”
Liu,  J. S., and Bozzola,  R., 1993, “Three-Dimensional Navier-Stokes Analysis of the Tip Clearance Flow in Linear Turbine Cascades,” AIAA J., 31, No. 11, pp. 2068–2074.
Staubach, J. B., Sharma, O. P., and Stetson, G. M., 1996, “Reduction of Tip Clearance Losses Through 3-D Airfoil Designs,” Proc. R. ASME/IGTI Conference, Singapore.
Chernobrovkin, A., 1999, “Numerical Simulation of Complex Turbomachinery Flows,” Ph.D. Thesis, The Pennsylvania State University.
Kind,  R. J., Sjolander,  S. A., and Yaras,  M. I., 1995, “Retained Lift: Theoretical Difficulties With the Concept and an Alternative Explanation of Observations,” ASME J. Turbomach., 117, pp. 485–497.
Chien,  K.-Y., 1982, “Predictions of Channel and Boundary-Layer Flows With a Low-Reynolds-Number Turbulence Model,” AIAA J., 20, No. 1, pp. 33–38.
Basson,  A. H., and Lakshminarayana,  B., 1995, “Numerical Simulation of Tip Clearance Effects in Turbomachinery,” ASME J. Turbomach., 109, No. 4, pp. 545–549.
Tallman, J. A., 1999, “Simulation of Tip Leakage Flows in a Turbine Rotor Using Computational Fluid Dynamics,” MS Thesis in Mechanical Engineering, The Pennsylvania State University, available at http:// navier.aero.psu-edu/∼jat.

Figures

Grahic Jump Location
Grid (every other gridline shown)
Grahic Jump Location
Fluid pathlines through the turbine
Grahic Jump Location
Leakage flow through the gap (1.0 percent case)
Grahic Jump Location
Leakage fluid upstream of the blade
Grahic Jump Location
Secondary velocity vectors in the y-z plane at X=90 percent axial chord
Grahic Jump Location
Secondary vorticity contours in the y-z plane at X=90 percent axial chord
Grahic Jump Location
Total pressure contours in the Y-Z plane at X=90 percent axial chord
Grahic Jump Location
Static pressure coefficient (Cp) contours in the blade-to-blade plane: Z=Blade tip
Grahic Jump Location
Velocity vectors in the blade-to-blade plane
Grahic Jump Location
Aggregate mass flow through the gap
Grahic Jump Location
Passage averaged loss coefficient values through the passage

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