0
TECHNICAL PAPERS

Aerodynamics of Tip Leakage Flows Near Partial Squealer Rims in an Axial Flow Turbine Stage

[+] Author and Article Information
Cengiz Camci, Debashis Dey, Levent Kavurmacioglu

Turbomachinery Heat Transfer Laboratory, Department of Aerospace Engineering, The Pennsylvania State University, 223 Hammond Building, University Park, PA 16802

J. Turbomach 127(1), 14-24 (Feb 09, 2005) (11 pages) doi:10.1115/1.1791279 History: Received December 01, 2002; Revised March 01, 2003; Online February 09, 2005
Copyright © 2004 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Geometry of the suction side squealer tip, s=0.38 mm and 0.76 mm (t-s)/h=1.03% and 0.72%
Grahic Jump Location
Geometry of channel type squealer tip, s=0.76 mm (t-s)/h=0.72%
Grahic Jump Location
Axial, tangential and radial velocity components at AFTRF rotor inlet plane (measured and design values) 15
Grahic Jump Location
Measured secondary flow patterns at AFTRF rotor exit plane without squealer rims. The observer is looking into the flow at rotor exit plane 16. (Blade rotation is in CCW direction.)
Grahic Jump Location
Measured and predicted static pressure on the rotor tip platform of AFTRF 18
Grahic Jump Location
Po/Pin contours for two gaps, SSSq-A (the shortest squealer rim)
Grahic Jump Location
Po/Pin contours for two tip gaps, SSSq-B (middle length squealer rim)
Grahic Jump Location
Po/Pin contours for two gaps, SSSq-C (the longest squealer rim)
Grahic Jump Location
Plots of Po/Pin for s=0.38 mm SSSq-B and full cover
Grahic Jump Location
Plots of Po/Pin for s=0.76 mm SSSq-B and full cover
Grahic Jump Location
A representation of flow field near a partial squealer tip on the suction side
Grahic Jump Location
Plots of Po/Pin for three s=0.38 mm SSSq configurations (r/h=89.7% and 79.3%)
Grahic Jump Location
Plots of Po/Pin for three s=0.76 mm SSSq configurations (r/h=94.8% and 92.2%)
Grahic Jump Location
Plots of Po/Pin for three s=0.76 mm SSSq configurations (r/h=89.7% and 79.3%)
Grahic Jump Location
Streamlines near partial squealer rims located at the suction side
Grahic Jump Location
Po/Pin contours of channel configurations, SqCh-A and SqCh-B, s=0.76 mm
Grahic Jump Location
Comparison of the two squealer channels with the partial squealer rim (SSSq-B) on the suction side, s=0.76 mm
Grahic Jump Location
Axial Flow Turbine Research Facility AFTRF of the Pennsylvania State University

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