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TECHNICAL PAPERS

Time-Averaged and Time-Resolved Heat Flux Measurements on a Turbine Stator Blade Using Two-Layered Thin-Film Gauges

[+] Author and Article Information
V. Iliopoulou, R. Dénos, N. Billiard, T. Arts

von Karman Institute for Fluid Dynamics, Turbomachinery & Propulsion Department, Chaussée de Waterloo, 72 1640 Rhode Saint Genèse, Belgium

J. Turbomach 126(4), 570-577 (Dec 29, 2004) (8 pages) doi:10.1115/1.1791647 History: Received October 01, 2003; Revised March 01, 2004; Online December 29, 2004
Copyright © 2004 by ASME
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References

Epstein,  A. H., Guenette,  G. R., Norton,  R. J. G., and Yuzhang,  C., 1986, “High-Frequency Response Heat-Flux Gauge,” Rev. Sci. Instrum., 57(4), pp. 639–649.
Doorly,  J. E., and Oldfield,  M. L. G., 1986, “New Heat Transfer Gages for Use on Multilayered Substrates,” ASME J. Turbomach., 108, pp. 153–160.
Abhari,  R. S., Guenette,  G. R., Epstein,  A. H., and Giles,  M. B., 1992, “Comparison of Time-Resolved Turbine Rotor Blade Heat Transfer Measurements and Numerical Calculations,” ASME J. Turbomach., 114, pp. 818–827.
Piccini,  E., Guo,  S. M., and Jones,  T. V., 2000, “The Development of a New Direct-Heat-Flux Gauge for Heat-Transfer Facilities,” Meas. Sci. Technol., 11, pp. 342–349.
Doorly,  J. E., and Oldfield,  M. L. G., 1987, “The Theory of Advanced Multi-Layer Thin Film Heat Transfer Gauges,” J. Heat Mass Transfer,30(6), pp. 1159–1168.
Schultz, D. L., and Jones, T. V., 1973, “Heat Transfer Measurements in Short Duration Facilities,” AGARDograph no. 165.
Guo, S. M., Spencer, M. C., Lock, G. D., Jones, T. V., and Harvey, N. W., 1995, “The Applications of Thin Film Gauges on Flexible Plastic Substrates to the Gas Turbine Situation,” ASME paper No. 95-GT-357.
Arts, T., Lambert de Rouvroit, M., and Rutherford, A. W., 1990, “Aero-Thermal Investigation of a Highly Loaded Transonic Linear Turbine Guide Vane Cascade (A Test Case for Inviscid and Viscous Flow Computations),” VKI TN 174.
Didier,  F., Dénos,  R., and Arts,  T., 2002, “Unsteady Rotor Heat Transfer in a Transonic Turbine Stage,” ASME J. Turbomach., 124(4), pp. 614–622.
Dénos, R., 1996, “Aerothermal Investigation of the Unsteady Flow in the Rotor of a Transonic Turbine Stage,” Ph.D. thesis, University of Poitiers, France, December 1996.
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Billiard, N., Iliopoulou, V., Ferrara, F., and Dénos, R., 2002, “Data Reduction and Thermal Product Determination for Single and Multilayered Substrates Thin-Film Gauges,” Proceedings, 16th Symposium on Measuring Techniques, Cambridge University, Cambridge, UK.
Hirsch, C., 1988, “Fundamentals of Numerical Discretization,” Numerical Computation of Internal and External Flows, Wiley, Great Britain, pp. 425–431.
Diller,  T. E., 1993, “Advances in Heat Flux Measurements,” Adv. Heat Transfer, 23, pp. 279–368.
Buchlin, J. M., and Laperches, M., 1998, “Detailed Investigation of Aerothermal Behavior of Confined Impinging Jet,” Quantitative Infrared Themography QIRT 98, D. Balageas, G. Busse, and G. M. Carlomagno, eds., S. A. Lodart, Lodz, Poland, pp. 258–264.
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Figures

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“Senflex” two-layered substrate thin-film gauge
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Linearization of the wall temperature evolution for a gauge submitted to a constant wall heat flux
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Calculated surface heat flux (10 800 W/m2 ) with the Crank-Nicholson scheme
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Aerothermal conditions of the jet
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Nusselt-Reynolds correlation obtained with single-layered thin-film gauge
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Surface temperature and heat flux for the time-averaged component
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Blade initial temperature distributions prior to blowdown from single and two-layered gauges
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Surface temperature, heat flux, and Nusselt distribution for the two-layered gauges during the blowdown
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Surface temperature, heat flux, and Nusselt distribution for the single-layered gauges during the blowdown
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Comparison of the repeatability of the Nusselt distribution between the single- and two-layered gauges
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Unsteady Nusselt number traces of two gauges of four different measurements for the two-layered gauges
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Min-max envelope, mean RMS, and correlation coefficient of the Nusselt number obtained with single and two-layered gauges
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Comparison of the unsteady Nusselt traces between the single- (in grey) and the two-layered gauges (in black)

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