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TECHNICAL PAPERS

Combined 3-D Flow and Heat Transfer Measurements in a 2-Pass Internal Coolant Passage of Gas Turbine Airfoils

[+] Author and Article Information
D. Chanteloup, Y. Juaneda, A. Bölcs

EPFL-LTT, 1015 Lausanne-Switzerland

J. Turbomach 124(4), 710-718 (Nov 07, 2002) (9 pages) doi:10.1115/1.1506176 History: Received October 29, 2001; Online November 07, 2002
Copyright © 2002 by ASME
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References

Figures

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The internal coolant passage test facility and inlet region details
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Measurement sections. The symbols represent the measurement lines (Y direction) that will be analyzed in the next sections (Fig. 5)—(a) data sets perpendicular to X-Y plane, (b) data sets perpendicular to X-Z plane, (c) symbol details for velocity profiles
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Gas temperature increase at different X/D locations for heat transfer post processing
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Streamwise and secondary flow motion in a fully developed flow cross section of a coolant channel with 45-deg rib arrangement
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Velocity profiles in the 16th rib module, normalized by Ub. See Fig. 2 for exact locations in the rib module. (a) overview of the graphs in the next figure, (b) velocity profiles.
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Streamline details in the vicinity of a rib.—(a) locations, (b) location 1, (c) location 2, (d) location 3
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Velocity profiles downstream of a rib normal to the bottom wall (see Fig. 6 for exact location)
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3-D streamlines in the near bottom wall region—(a) upstream fully developed streamlines; 3-D view, (b) X-Z plane view, (c) view normal to the upstream ribs
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2-D view heat transfer distribution on the bottom and outer walls in the fully developed region
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2-D view heat transfer distribution on the bottom and outer walls. 10DH downstream of the bend
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Combined heat transfer distribution and streamlines in the vicinity of the bottom and outer walls: 3-D view
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Combined heat transfer distribution and streamlines in the vicinity of the Y=0.5 plane and web: 3-D and 2-D views

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