Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

G. James Van Fossen; Ronald S. Bunker

doi:10.1115/1.1330270

Journal of Turbomachinery | Volume 123 | Issue 1 | TECHNICAL PAPERS

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TECHNICAL PAPERS

Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

G. James Van Fossen and Ronald S. Bunker

[+] Author and Article Information

G. James Van Fossen

NASA Glenn Research Center, Cleveland, OH 44135

Ronald S. Bunker

General Electric, Schenectady, NY 12309

J. Turbomach 123(1), 140-146 (Feb 01, 2000) (7 pages) doi:10.1115/1.1330270 History: Received February 01, 2000

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Figures

X-wire traverse: ratio of rms fluctuating axial and cross-stream velocity components

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Typical axial and cross-stream autocorrelation functions with curve fits

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X-wire traverse: axial and cross-stream length scales

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Typical axial and cross-stream wave number spectrum

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Heat transfer distribution over the model leading edge

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Comparison of stagnation heat transfer augmentation due to DLN turbulence and correlation derived from square bar grid data

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Van Fossen G, Bunker RS. Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor. ASME. J. Turbomach. 2000;123(1):140-146. doi:10.1115/1.1330270.

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Augmentation of Stagnation Region Heat Transfer Due to Turbulence From a DLN Can Combustor

References

Figures

Rig layout

DLN fuel–air swirler looking upstream

Crossflow X-wire calibration curves

Five-hole probe survey; cross-stream vector and streamline plot

X-wire traverse: mean axial flow and cross-stream velocity components

Turbulence intensity contour plot

X-wire traverse: rms fluctuating axial and cross-stream velocity components

X-wire traverse: ratio of rms fluctuating axial and cross-stream velocity components

Typical axial and cross-stream autocorrelation functions with curve fits

X-wire traverse: axial and cross-stream length scales

Typical axial and cross-stream wave number spectrum

Heat transfer distribution over the model leading edge

Comparison of stagnation heat transfer augmentation due to DLN turbulence and correlation derived from square bar grid data

Tables

Errata

Discussions

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