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TECHNICAL BRIEF

A Two-Dimensional Numerical Investigation of Transient Heat Flux Gage Performance in Short-Duration Facilities

[+] Author and Article Information
J. Kim

University of Maryland, Dept. of Mechanical Engineering, College Park, MD 20742

H. Sakamoto

University of Minnesota, Dept. of Mechanical Engineering, Minneapolis, MN 55455

M. G. Dunn

The Ohio State University, Department of Aerospace Engineering, Columbus, OH 43210

J. Turbomach 122(1), 184-187 (Jun 01, 1999) (4 pages) doi:10.1115/1.555422 History: Received January 01, 1999; Revised June 01, 1999

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References

Seymour, P. J., 1987, “Techniques for Numerical Evaluation of Unsteady Heat Flux From Thin Film Gauges,” MS Thesis, State University of New York at Buffalo.
Dunn,  M. G., Kim,  J., and Rae,  W. J., 1997, “Investigation of the Heat-Island Effect for Heat-Flux Measurements in Short-Duration Facilities,” ASME J. Turbomach., 119, pp. 753–760.
Kim, J., Ross, R., and Dunn, M. G., 1996, “Numerical Investigation of the Heat-Island Effect for Button-Type, Transient, Heat-Flux Gauge Measurements,” Proc. ASME National Heat Transfer Conference, Houston, TX, ASME HTD-Vol. 327, Vol. 5, pp. 33–39.
Kays, W. M., and Crawford, M. E., 1993, Convective Heat and Mass Transfer, 3rd ed., McGraw-Hill, New York.

Figures

Grahic Jump Location
Photograph of a button-type gage embedded in a turbine blade. The gage is about 1 mm in diameter, and is held in the blade using epoxy (white material surrounding the gage).
Grahic Jump Location
(a) Flow domain for Pyrex/steel case. (b) Flow domain for Epoxy/Pyrex/steel case
Grahic Jump Location
(a) Typical variation in wall temperature for cases with and without epoxy. (b) Typical variation in wall heat transfer coefficient for cases with and without epoxy.

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