Effect of the Hub Endwall Cavity Flow on the Flow-Field of a Transonic High-Pressure Turbine

[+] Author and Article Information
G. Paniagua, R. Dénos, S. Almeida

Turbomachinery and Propulsion Department, von Karman Institute for Fluid Dynamics, Chaussée de Waterloo 72, B1640—Rhode Saint Genèse, Belgium

J. Turbomach 126(4), 578-586 (Dec 29, 2004) (9 pages) doi:10.1115/1.1791644 History: Received October 01, 2003; Revised March 01, 2004; Online December 29, 2004
Copyright © 2004 by ASME
Your Session has timed out. Please sign back in to continue.



Grahic Jump Location
Three-dimensional view of the turbine stage
Grahic Jump Location
Turbine stage cross section with the disk cooling setup
Grahic Jump Location
Three-dimensional view of the turbine stage grid: (a) blade-to-blade cut; (b) meridional plane cut, cavity upstream of the mixing plane; and (c) downstream
Grahic Jump Location
Time-averaged distribution of the pitch-wise static pressure at the vane exit hub
Grahic Jump Location
Flow field within the cavity: (a) Velocity vectors for −0.5% ingestion (at Stator pitch=1.1); (b) time averaged stream traces and static pressure contours across a vane pitch (at x/R0=0.0016); and (c) maximum and minimum static pressure as a function of the radius
Grahic Jump Location
Time-resolved static pressure outside of the cavity: (a) at the vane exit, gauge at stator pitch=0.9; (b) gauge 1 on the rotor platform; and (c) gauge 2
Grahic Jump Location
(a) Time-averaged stream traces and static pressure contours at the rotor platform; (b) measured static pressure
Grahic Jump Location
Time-averaged rotor static pressure distribution at 15% span
Grahic Jump Location
Isosurface of rothalpy (a- at Cp×353 K,b- at Cp×325 K) and contour plots of at the rotor trailing edge plane (c- for −0.5%, d- for +1.5%)
Grahic Jump Location
Time-resolved blade force at 15% of the span for −0.5% and +1.5%
Grahic Jump Location
Time-resolved axial force and torque on the rotor disk
Grahic Jump Location
Measured time-averaged total pressure contours at the turbine exit
Grahic Jump Location
Radial profiles pitch-wise averaged




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