Enhancement of impingement cooling in a high cross flow channel using shaped impingement cooling holes

Journal of Turbomachinery

Volumn 132, Issue 2, 2010, Pages

  Chambers, Andrew C ^a   Gillespie, David R H ^a   Ireland, Peter T ^b   Kingston, Robert ^b  

^a UNIVERSITY OF OXFORD   (United Kingdom)

^b ROLLS ROYCE PLC   (United Kingdom)

Author keywords

Impingement blade cooling

Indexed keywords

BLADE COOLING; COMPUTATIONAL INVESTIGATION; COOLANT PASSAGES; COOLING EFFICIENCY; COOLING PASSAGES; CROSS FLOWS; EXPERIMENTAL INVESTIGATIONS; HEAT TRANSFER COEFFICIENT DISTRIBUTION; HEAT TRANSFER PERFORMANCE; IMPINGEMENT COOLING; IMPINGEMENT JET; IMPINGING JET; LITERATURE REVIEWS; MODIFIED DESIGNS; STRESS CONCENTRATION FACTORS; TARGET PLATES; TARGET SURFACE; TURBINE COOLING;

ASPECT RATIO; COOLING; HEAT EXCHANGERS; HEAT TRANSFER COEFFICIENTS; HOLE CONCENTRATION; NUSSELT NUMBER; PRESSURE DROP; STRESS CONCENTRATION; TARGETS;

COOLING SYSTEMS;

EID: 77955294093     PISSN: 0889504X     EISSN: 15288900     Source Type: Journal    
DOI: 10.1115/1.3140282     Document Type: Article

References (21)

1. Dailey, G. M., 2000, "Aero-Thermal Performance of Integral Cooling Systems in Turbomachines: Design and Calculation Issues," VKI Lecture Series, Feb. 28-Mar. 3.
2. Van Treuren, K. V., 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.
3. Florschuetz, L. W., Metzger, D. E., Takeuichi, D. I. and Berry, R. A., 1980, "Multiple Jet Impingement Heat Transfer Characteristics-Experimental Investigation of In-line and Staggered Arrays With Cross Flow," NASA Contractor Report No. 3217.
4. Chambers, A. C., Gillespie, D. R. H., and Ireland, P. T., 2002, "A Novel Transient Liquid Crystal Technique to Determine Heat Transfer Coefficient Distributions and Adiabatic Wall Temperature in a Three Temperature Problem," ASME Paper No. 2002-GT-30533.
5. Taslim, M., 2002, "Experimental Racetrack Shaped Jet Impingement on a Roughened Leading-Edge Wall With Film Holes," ASME Paper No. 2002-GT-30477.
6. Son, C. M., Gillespie D. R. H., and Ireland, P. T., 2005, "An Investigation of the Application of Roughness Elements to Enhance Heat Transfer in an Impingement Cooling System," ASME GT2005-68504.
7. Abramovich, G. N., 1963, "The Theory of Turbulent Jets, MIT," Cambridge, MA.
8. Burghart, G. H., Gallager, J. T., and Wooler, P. T., 1967, "Pressure Distribution on a Rectangular Wing With a Jet Exhausting Normally Into an Airstream," J. Aircr., 4, pp. 537-543.
9. Stoy, R. L., and Ben-Haim, Y., 1973, "Turbulent Jets in Cross Flow," ASME J. Fluids Eng., 95, pp. 551-556.
10. Platten, J. L., and Keffer, J. F., 1968, "Entrainment in Deflected Axisymmetric Jets at Various Angles to the Stream," University of Toronto, Mechanical Engineering Department, Report No. UTME-TP-6808.
11. Hill, B. J., 1972, "Measurement of Local Entrainment Rate in the Initial Region of Axisymmetric Turbulent Jets," J. Fluid Mech., 51, pp. 773-779.
12. Callaghan, E., and Bowden, D. T., 1949, "Investigation of Flow Coefficient of Circular, Square, and Elliptical Orifices at High Pressure Ratios," Lewis Flight Propulsion Laboratory, Cleveland, OH, NASA Technical Report No. 1947.
13. Jackson, T. W., 1980, "Two-Dimensional, Inclined 'Jet-Impingement' Heat Transfer in Confined Cross-Flow," M.Sc. thesis, School of Mechanical Engineering, Cranfield Institute of Technology.
14. Ward, J., Oladiran, M. T., and Hammond, G. P., 1991, "The Effect of Nozzle Inclination on Jet-Impingement Heat Transfer in a Cross-Flow," ASME Paper No. 91-HTD.
15. Gillespie, D. R. H., Guo S. M., Wang, Z., Ireland, P. T., and Kohler, S. T., 1996, "A Comparison of Full Surface Local Heat Transfer Coefficient and Flow Field Studies Beneath Sharp-Edged and Radiused Entry Impinging Jets," ASME Paper No. 96-GT-428.
16. Peterson, R. E., 1974, Stress Concentration Factors, Wiley, New York.
17. Gillespie, D. R. H., 1996, "Intricate Internal Cooling Systems for Gas Turbine Blading," Ph.D. thesis, Department of Engineering Science, Oxford University.
18. Chambers, A. C., Gillespie, D. R. H., and Ireland, P. T., 2003, "A Novel Transient Liquid Crystal Technique to Determine Heat Transfer Coefficient Distributions and Adiabatic Wall Temperature in a Three Temperature Problem," ASME J. Turbomach., 125(3), pp. 538-546.
19. Chambers, A. C., Gillespie, D. R. H., Ireland, P. T., and Dailey, G. M., 2005, "The Effect of Initial Cross Flow on the Cooling Performance of a Narrow Impingement Channel," ASME J. Heat Transfer, 127(4), pp. 358-365.
20. Moffat, R. J., 1990, "Contributions to the Theory of Single Sample Uncertainty Analysis," ASME J. Fluids Eng., 104, pp. 250-260.
21. Florschuetz, L., Metzger, D., Su, C., Isoda, Y. and Tseng, H., 1982, "Jet Array Impingement Flow Distributions and Heat Transfer Characteristics-Effects of Initial Cross Flow and Non Uniform Array Geometry," NASA Contractor Report No. 3630.