0
TECHNICAL PAPERS: Heat Transfer Enhancement

Influence of Crossflow-Induced Swirl and Impingement on Heat Transfer in an Internal Coolant Passage of a Turbine Airfoil

[+] Author and Article Information
S. V. Ekkad, G. Pamula, S. Acharya

Mechanical Engineering Department, Louisiana State University, Baton Rouge, LA 70803

J. Heat Transfer 122(3), 587-597 (Apr 12, 2000) (11 pages) doi:10.1115/1.1289020 History: Received August 04, 1999; Revised April 12, 2000
Copyright © 2000 by ASME
Your Session has timed out. Please sign back in to continue.

References

Figures

Grahic Jump Location
Illustration of channels with (a) 180 deg turn (b) holes
Grahic Jump Location
Experimental test setup
Grahic Jump Location
Three test channel configurations; (a) Case 2, (b) Case 3, (c) Case 4
Grahic Jump Location
Smoke flow visualization results for (a) Case 2, (b) Case 3, (c) Case 4
Grahic Jump Location
Detailed heat transfer distributions for all channels at Re=25,000
Grahic Jump Location
Spanwise averaged Nusselt number distributions on both walls compared to a two-pass with turn for Re=25,000
Grahic Jump Location
Effect of flow Reynolds number for each case on Wall 1
Grahic Jump Location
Effect of flow Reynolds number for each case on Wall 2
Grahic Jump Location
Effect of flow configuration (case) on Wall 1 for each Reynolds number
Grahic Jump Location
Effect of flow configuration (case) on Wall 2 for each Reynolds number
Grahic Jump Location
Comparison of present data to published Nusselt number ratios for the overall averaged rib turbulated second pass
Grahic Jump Location
Overall averaged Nusselt number ratio versus friction factor ratio for all four cases
Grahic Jump Location
Overall thermal performance parameter compared to Reynolds number for each case

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