0
TECHNICAL PAPERS

Heat Transfer and Flow Characteristics of an Engine Representative Impingement Cooling System

[+] Author and Article Information
Changmin Son, David Gillespie, Peter Ireland

Department of Engineering Science, University of Oxford, Oxford, OX1 3PJ, United Kingdom

Geoffrey M. Dailey

Rolls-Royce plc, Derby, DE24 8BJ, United Kingdome-mail: geoffrey.dailey@rolls-royce.com

J. Turbomach 123(1), 154-160 (Feb 01, 2000) (7 pages) doi:10.1115/1.1328087 History: Received February 01, 2000
Copyright © 2001 by ASME
Your Session has timed out. Please sign back in to continue.

References

Kercher,  D. M., and Tabakoff,  W., 1970, “Heat Transfer by a Square Array of Round Air Jets Impinging Perpendicular to a Flat Surface Including the Effect of Spent Air,” ASME J. Eng. Power, 92, pp. 73–82.
Florschuetz, L. W., Metzger, D. E., Takeuchi, D. I., and Berry, R. A., 1980, “Multiple Jet Impingement Heat Transfer Character—Experimental Investigation of In-Line and Staggered Arrays With Crossflow,” NASA Contractor Report No. 3217.
Florschuetz, L. W., Metzger, D. E., and Truman C. R., 1981, “Jet Array Impingement With Crossflow Correlation of Streamwise Resolved Flow and Heat Transfer Distributions,” NASA Contractor Report No. 3373.
Obot,  N. T., and Trabold,  T. A., 1987, “Impingement Heat Transfer Within Arrays of Circular Jets: Part 1—Effects of Minimum, Intermediate, and Complete Crossflow for Small and Large Spacings,” ASME J. Heat Transfer, 109, pp. 872–879.
Lucas, M. G., Ireland, P. T., Wang, Z., and Jones, T. V., 1993, “Fundamental Studies of Impingement Cooling Thermal Boundary Conditions,” AGARD CP-527, Paper No. 14.
Van Treuren,  K. W., Wang,  Z., Ireland,  P. T., and Jones,  T. V., 1994, “Detailed Measurements of Local Heat Transfer Coefficient and Adiabatic Wall Temperature Beneath an Array of Impinging Jets,” ASME J. Turbomach., 116, pp. 369–374.
Van Treuren, K. W., Wang, Z., Ireland, P. T., Jones, T. V., and Kohler, S. T., 1996, “Comparison and Prediction of Local and Average Heat Transfer Coefficients Under an Array of In-Line and Staggered Impingement Jets,” ASME Paper No. 96-GT-163.
Gillespie,  D. R. H., Wang,  Z., Ireland,  P. T., and Kohler,  S. T., 1998, “Full Surface Local Heat Transfer Coefficient Measurements in a Model of an Integrally Cast Impingement Cooling Geometry,” ASME J. Turbomach., 120, pp. 92–99.
Gillespie, D. R. H., 1996, “Intricate Internal Cooling Systems for Gas Turbine Blading,” D. Phil. Thesis, Department of Engineering Science, University of Oxford, United Kingdom.
Bouchez,  J.-P., and Goldstein,  R. J., 1975, “Impingement Cooling From a Circular Jet in a Crossflow,” J. Heat Mass Flow, 18, pp. 719–730.
Gardon,  R., and Akfirat,  J. C., 1966, “Heat Transfer Characteristics of Impinging Two-Dimensional Air Jets,” ASME J. Heat Transfer, 88, pp. 101–108.
Koopman,  R. N., and Sparrow,  E. M., 1976, “Local Average Transfer Coefficients Due to an Impingement Row of Jets,” Int. J. Heat Mass Transf., 19, pp. 673–683.
Son, C. M., Michaelis, M., Robertson, A., Ireland, P. T., and Bather, S., 1998, “Detailed Heat Transfer Measurements in an Engine Representative Impingement Cooling System Using Liquid Crystals,” Proc. ASME International Mechanical Engineering Congress and Exposition, HTD-Vol. 361-3, pp. 389–397.
Schultz, D. L., and Jones, T. V., 1973, “Heat Transfer Measurements in Short-Duration Hypersonic Facilities,” AGARD-AG165.
Rolls Royce plc., 1996, The Jet Engine.

Figures

Grahic Jump Location
Nozzle guide vane cooling scheme 15
Grahic Jump Location
Impingement cooling system with staggered hole array and nomenclature
Grahic Jump Location
Schematic of test facility
Grahic Jump Location
Captured image and selected area for processing
Grahic Jump Location
Nusselt number distribution on target surface under uniform impingement array at Rej avg=28,870
Grahic Jump Location
Nusselt number distribution on target surface under nonuniform impingement array at Rej avg=29,440
Grahic Jump Location
Variation of local Nusselt number along the jet centerlines: uniform hole array
Grahic Jump Location
Variation of local Nusselt number along the jet centerlines: nonuniform hole array
Grahic Jump Location
Spanwise-averaged Nusselt number distribution: (a) uniform hole array; (b) nonuniform hole array
Grahic Jump Location
Comparison of total average Nusselt number
Grahic Jump Location
Heat flux analysis and adiabatic wall temperature
Grahic Jump Location
Simple model of wall cooling
Grahic Jump Location
Heat flow rate distribution: uniform array, Rej avg=28,870
Grahic Jump Location
Shear stress visualization on a smooth target plate
Grahic Jump Location
Comparison of Gc/Gj distribution through the impingement channel
Grahic Jump Location
Static pressure distribution through the impingement channel: nonuniform array

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