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TECHNICAL PAPERS

A Converging Slot-Hole Film-Cooling Geometry—Part 1: Low-Speed Flat-Plate Heat Transfer and Loss

[+] Author and Article Information
J. E. Sargison

School of Engineering, University of Tasmania, Hobart, Tasmania 7001, Australiae-mail: jane.sargison@utas.edu.au

S. M. Guo, M. L. G. Oldfield

Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK

G. D. Lock

Department of Mechanical Engineering, University of Bath, Bath BA2 7AY, UK

A. J. Rawlinson

Rolls Royce plc, Derby DE24 8BJ, UK

J. Turbomach 124(3), 453-460 (Jul 10, 2002) (8 pages) doi:10.1115/1.1459735 History: Received October 23, 2000; Online July 10, 2002
Copyright © 2002 by ASME
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References

Figures

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Typical film-cooling hole configurations
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Tunnel wall showing layout of cooling holes and heated flat plate, overlaid with typical liquid crystal display with processed temperature contour
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Typical set of data points and fitted straight line used in Matlab data manipulation
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Cylindrical hole effectiveness compared with published data
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Cylindrical hole heat transfer coefficient compared with published data
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(a)–(d) Lateral variation in adiabatic effectiveness, IIDEAL=1.1,Red=36,000
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Laterally averaged adiabatic effectiveness, IIDEAL=1.1,Red=36,000
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(a)–(d) Lateral variation in heat transfer coefficient, IIDEAL=1.1,Red=36,000
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Laterally averaged heat transfer coefficient, IIDEAL=1.1,Red=36,000
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Measurement and calculation planes for aerodynamic loss
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Comparison of aerodynamic loss of four cooling configurations, IIDEAL=1.1,Red=36,000
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Basic console configuration—(a) side view section through blade surface; (b) plan view of console viewed from blade surface; (c) plan section along hole centerline
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Uni graphics surface definition of two console film-cooling holes
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Osney laboratory low-speed wind tunnel
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Film-cooling hole jets contour without crossflow
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Film-cooling hole jet contour with crossflow

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