Endwall heat transfer distributions taken in a large-scale low speed linear cascade facility are documented for mock catalytic and dry low (DLN) combustion systems. Inlet turbulence levels range from about 1.0% for the mock catalytic combustor condition to 14% for the mock dry low combustor system. Stanton number contours are presented at both turbulence conditions for Reynolds numbers based on true chord length and exit conditions ranging from 500,000 to 2,000,000. Catalytic combustor endwall heat transfer shows the influence of the complex three-dimensional flow field, while the effects of individual vortex systems are less evident for the mock dry low cases. Turbulence scales have been documented for both cases. Inlet boundary layers are relatively thin for both the mock catalytic and DLN combustor cases. Inlet boundary layer parameters are presented across the inlet passage for the three Reynolds numbers and both the mock catalytic and DLN combustor inlet cases. Both midspan and 95% span pressure contours are included. This research provides a well-documented database taken across a range of Reynolds numbers and turbulence conditions for assessment of endwall heat transfer predictive capabilities.
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Effects of Catalytic and Dry Low Combustor Turbulence on Endwall Heat Transfer Distributions
F. E. Ames,
F. E. Ames
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
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P. A. Barbot,
P. A. Barbot
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
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C. Wang
C. Wang
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
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F. E. Ames
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
P. A. Barbot
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
C. Wang
Mechanical Engineering Department, University of North Dakota, Grand Forks, ND 58202
Manuscript received December 23, 2003; revised manuscript received October 12, 2004. Review conducted by: P. M. Ligrani.
J. Heat Transfer. Apr 2005, 127(4): 414-424 (11 pages)
Published Online: March 30, 2005
Article history
Received:
December 23, 2003
Revised:
October 12, 2004
Online:
March 30, 2005
Citation
Ames , F. E., Barbot , P. A., and Wang, C. (March 30, 2005). "Effects of Catalytic and Dry Low Combustor Turbulence on Endwall Heat Transfer Distributions ." ASME. J. Heat Transfer. April 2005; 127(4): 414–424. https://doi.org/10.1115/1.1861923
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