0
TECHNICAL PAPERS

The Measurement of Full-Surface Internal Heat Transfer Coefficients for Turbine Airfoils Using a Nondestructive Thermal Inertia Technique

[+] Author and Article Information
Nirm V. Nirmalan, Ronald S. Bunker, Carl R. Hedlund

Global Research Center, General Electric Company, Niskayuna, NY 12309

J. Turbomach 125(1), 83-89 (Jan 23, 2003) (7 pages) doi:10.1115/1.1515798 History: Received October 04, 2001; Online January 23, 2003
Copyright © 2003 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Flow stand and heater test arrangement
Grahic Jump Location
Elliptic airfoil with Impingement cooling (insert photo shows the array size and location)
Grahic Jump Location
Typical surface temperatures at some time during transient test
Grahic Jump Location
Experimental data for jet average Re of 16,636 as reduced with 1-D lumped capacity model (W/m2/K)
Grahic Jump Location
Experimental data for jet average Re of 7,016 as reduced with 1-D lumped capacity model (W/m2/K)
Grahic Jump Location
Comparison of 1-D results with impingement array correlation of Florschuetz et al. 7 (W/m2/K)
Grahic Jump Location
3-D ANSYS results for internal HTCs with convergence criteria of 0.5°C and 4×4 pixel averaging (W/m2/K)
Grahic Jump Location
3-D ANSYS results for internal HTCs with convergence criteria of 0.5°C and 3×3 pixel averaging (W/m2/K)
Grahic Jump Location
Effect of surface temperature convergence criterion
Grahic Jump Location
Comparison of 1-D and 3-D results
Grahic Jump Location
Internal heat transfer coefficients with blocked impingement holes (W/m2/K)

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